diff --git a/src/addons/addon-example.md b/src/addons/addon-example.md
index 162f05c2..e4fd959a 100644
--- a/src/addons/addon-example.md
+++ b/src/addons/addon-example.md
@@ -160,7 +160,7 @@ final class Plugin {
 	 * @since 1.0.0
 	 * @access public
 	 */
-	public function is_compatible() {
+	public function is_compatible(): void {
 
 		// Check if Elementor installed and activated
 		if ( ! did_action( 'elementor/loaded' ) ) {
@@ -192,7 +192,7 @@ final class Plugin {
 	 * @since 1.0.0
 	 * @access public
 	 */
-	public function admin_notice_missing_main_plugin() {
+	public function admin_notice_missing_main_plugin(): void {
 
 		if ( isset( $_GET['activate'] ) ) unset( $_GET['activate'] );
 
@@ -215,7 +215,7 @@ final class Plugin {
 	 * @since 1.0.0
 	 * @access public
 	 */
-	public function admin_notice_minimum_elementor_version() {
+	public function admin_notice_minimum_elementor_version(): void {
 
 		if ( isset( $_GET['activate'] ) ) unset( $_GET['activate'] );
 
@@ -239,7 +239,7 @@ final class Plugin {
 	 * @since 1.0.0
 	 * @access public
 	 */
-	public function admin_notice_minimum_php_version() {
+	public function admin_notice_minimum_php_version(): void {
 
 		if ( isset( $_GET['activate'] ) ) unset( $_GET['activate'] );
 
@@ -265,7 +265,7 @@ final class Plugin {
 	 * @since 1.0.0
 	 * @access public
 	 */
-	public function init() {
+	public function init(): void {
 
 		add_action( 'elementor/widgets/register', [ $this, 'register_widgets' ] );
 		add_action( 'elementor/controls/register', [ $this, 'register_controls' ] );
@@ -281,7 +281,7 @@ final class Plugin {
 	 *
 	 * @param \Elementor\Widgets_Manager $widgets_manager Elementor widgets manager.
 	 */
-	public function register_widgets( $widgets_manager ) {
+	public function register_widgets( $widgets_manager ): void {
 
 		require_once( __DIR__ . '/includes/widgets/widget-1.php' );
 		require_once( __DIR__ . '/includes/widgets/widget-2.php' );
@@ -300,7 +300,7 @@ final class Plugin {
 	 *
 	 * @param \Elementor\Controls_Manager $controls_manager Elementor controls manager.
 	 */
-	public function register_controls( $controls_manager ) {
+	public function register_controls( $controls_manager ): void {
 
 		require_once( __DIR__ . '/includes/controls/control-1.php' );
 		require_once( __DIR__ . '/includes/controls/control-2.php' );
diff --git a/src/addons/compatibility.md b/src/addons/compatibility.md
index e596a35a..66ea4ab1 100644
--- a/src/addons/compatibility.md
+++ b/src/addons/compatibility.md
@@ -53,8 +53,9 @@ final class Plugin {
 	 *
 	 * @since 1.0.0
 	 * @access public
+	 * @return bool
 	 */
-	public function is_compatible() {
+	public function is_compatible(): bool {
 
 		// Check if Elementor is installed and activated
 		if ( ! did_action( 'elementor/loaded' ) ) {
@@ -86,7 +87,7 @@ final class Plugin {
 	 * @since 1.0.0
 	 * @access public
 	 */
-	public function admin_notice_missing_main_plugin() {
+	public function admin_notice_missing_main_plugin(): void {
 
 		if ( isset( $_GET['activate'] ) ) unset( $_GET['activate'] );
 
@@ -109,7 +110,7 @@ final class Plugin {
 	 * @since 1.0.0
 	 * @access public
 	 */
-	public function admin_notice_minimum_elementor_version() {
+	public function admin_notice_minimum_elementor_version(): void {
 
 		if ( isset( $_GET['activate'] ) ) unset( $_GET['activate'] );
 
@@ -133,7 +134,7 @@ final class Plugin {
 	 * @since 1.0.0
 	 * @access public
 	 */
-	public function admin_notice_minimum_php_version() {
+	public function admin_notice_minimum_php_version(): void {
 
 		if ( isset( $_GET['activate'] ) ) unset( $_GET['activate'] );
 
diff --git a/src/addons/initialization.md b/src/addons/initialization.md
index b340be47..1a0236d4 100644
--- a/src/addons/initialization.md
+++ b/src/addons/initialization.md
@@ -21,14 +21,14 @@ final class Plugin {
 	 * @since 1.0.0
 	 * @access public
 	 */
-	public function init() {
+	public function init(): void {
 
 		add_action( 'elementor/frontend/after_enqueue_styles', [ $this, 'frontend_styles' ] );
 		add_action( 'elementor/frontend/after_register_scripts', [ $this, 'frontend_scripts' ] );
 
 	}
 
-	public function frontend_styles() {
+	public function frontend_styles(): void {
 
 		wp_register_style( 'frontend-style-1', plugins_url( 'assets/css/frontend-style-1.css', __FILE__ ) );
 		wp_register_style( 'frontend-style-2', plugins_url( 'assets/css/frontend-style-2.css', __FILE__ ), [ 'external-framework' ] );
@@ -39,7 +39,7 @@ final class Plugin {
 
 	}
 
-	public function frontend_scripts() {
+	public function frontend_scripts(): void {
 
 		wp_register_script( 'frontend-script-1', plugins_url( 'assets/js/frontend-script-1.js', __FILE__ ) );
 		wp_register_script( 'frontend-script-2', plugins_url( 'assets/js/frontend-script-2.js', __FILE__ ), [ 'external-library' ] );
@@ -70,7 +70,7 @@ final class Plugin {
 	 * @since 1.0.0
 	 * @access public
 	 */
-	public function init() {
+	public function init(): void {
 
 		add_action( 'elementor/widgets/register', [ $this, 'register_widgets' ] );
 
@@ -85,7 +85,7 @@ final class Plugin {
 	 *
 	 * @param \Elementor\Widgets_Manager $widgets_manager Elementor widgets manager.
 	 */
-	public function register_widgets( $widgets_manager ) {
+	public function register_widgets( $widgets_manager ): void {
 
 		require_once( __DIR__ . '/includes/widgets/widget-1.php' );
 		require_once( __DIR__ . '/includes/widgets/widget-2.php' );
@@ -115,7 +115,7 @@ final class Plugin {
 	 * @since 1.0.0
 	 * @access public
 	 */
-	public function init() {
+	public function init(): void {
 
 		add_action( 'elementor/controls/register', [ $this, 'register_controls' ] );
 
@@ -130,7 +130,7 @@ final class Plugin {
 	 *
 	 * @param \Elementor\Controls_Manager $controls_manager Elementor controls manager.
 	 */
-	public function register_controls( $controls_manager ) {
+	public function register_controls( $controls_manager ): void {
 
 		require_once( __DIR__ . '/includes/controls/control-1.php' );
 		require_once( __DIR__ . '/includes/controls/control-2.php' );
diff --git a/src/addons/main-class.md b/src/addons/main-class.md
index a842ba15..7dd7fa44 100644
--- a/src/addons/main-class.md
+++ b/src/addons/main-class.md
@@ -15,8 +15,8 @@ final class Plugin {
 	public static function instance() {}
 
 	public function __construct() {}
-	public function is_compatible() {}
-	public function init() {}
+	public function is_compatible(): bool {}
+	public function init(): void {}
 
 }
 ```
@@ -94,7 +94,7 @@ final class Plugin {
 	 * @since 1.0.0
 	 * @access public
 	 */
-	public function is_compatible() {
+	public function is_compatible(): bool {
 
 		// Compatibility checks here...
 
@@ -110,7 +110,7 @@ final class Plugin {
 	 * @since 1.0.0
 	 * @access public
 	 */
-	public function init() {
+	public function init(): void {
 
 		// Addon functionality here...
 
diff --git a/src/controls/complex-example.md b/src/controls/complex-example.md
index bd985fd0..73c5cffc 100644
--- a/src/controls/complex-example.md
+++ b/src/controls/complex-example.md
@@ -106,7 +106,7 @@ class Elementor_EmojiOneArea_Control extends \Elementor\Base_Data_Control {
 	 * @access public
 	 * @return string Control type.
 	 */
-	public function get_type() {
+	public function get_type(): string {
 		return 'emojionearea';
 	}
 
@@ -119,7 +119,7 @@ class Elementor_EmojiOneArea_Control extends \Elementor\Base_Data_Control {
 	 * @since 1.0.0
 	 * @access public
 	 */
-	public function enqueue() {
+	public function enqueue(): void {
 		// Styles
 		wp_register_style( 'emojionearea', 'https://cdnjs.cloudflare.com/ajax/libs/emojionearea/3.4.2/emojionearea.css', [], '3.4.2' );
 		wp_enqueue_style( 'emojionearea' );
@@ -140,7 +140,7 @@ class Elementor_EmojiOneArea_Control extends \Elementor\Base_Data_Control {
 	 * @access protected
 	 * @return array Control default settings.
 	 */
-	protected function get_default_settings() {
+	protected function get_default_settings(): array {
 		return [
 			'label_block' => true,
 			'rows' => 3,
@@ -158,7 +158,7 @@ class Elementor_EmojiOneArea_Control extends \Elementor\Base_Data_Control {
 	 * @since 1.0.0
 	 * @access public
 	 */
-	public function content_template() {
+	public function content_template(): void {
 		$control_uid = $this->get_control_uid();
 		?>
 		<div class="elementor-control-field">
@@ -245,7 +245,7 @@ class Elementor_Test_Widget extends \Elementor\Widget_Base {
 	 * @access public
 	 * @return string Widget name.
 	 */
-	public function get_name() {
+	public function get_name(): string {
 		return 'test';
 	}
 
@@ -258,7 +258,7 @@ class Elementor_Test_Widget extends \Elementor\Widget_Base {
 	 * @access public
 	 * @return string Widget title.
 	 */
-	public function get_title() {
+	public function get_title(): string {
 		return esc_html__( 'Test', 'elementor-emojionearea-control' );
 	}
 
@@ -271,7 +271,7 @@ class Elementor_Test_Widget extends \Elementor\Widget_Base {
 	 * @access public
 	 * @return string Widget icon.
 	 */
-	public function get_icon() {
+	public function get_icon(): string {
 		return 'eicon-code';
 	}
 
@@ -284,7 +284,7 @@ class Elementor_Test_Widget extends \Elementor\Widget_Base {
 	 * @access public
 	 * @return array Widget categories.
 	 */
-	public function get_categories() {
+	public function get_categories(): array {
 		return [ 'general' ];
 	}
 
@@ -297,7 +297,7 @@ class Elementor_Test_Widget extends \Elementor\Widget_Base {
 	 * @access public
 	 * @return array Widget keywords.
 	 */
-	public function get_keywords() {
+	public function get_keywords(): array {
 		return [ 'test', 'emoji' ];
 	}
 
@@ -310,7 +310,7 @@ class Elementor_Test_Widget extends \Elementor\Widget_Base {
 	 * @access public
 	 * @return string Widget help URL.
 	 */
-	public function get_custom_help_url() {
+	public function get_custom_help_url(): string {
 		return 'https://developers.elementor.com/docs/widgets/';
 	}
 
@@ -322,7 +322,7 @@ class Elementor_Test_Widget extends \Elementor\Widget_Base {
 	 * @since 1.0.0
 	 * @access protected
 	 */
-	protected function register_controls() {
+	protected function register_controls(): void {
 
 		$this->start_controls_section(
 			'content_section',
@@ -353,7 +353,7 @@ class Elementor_Test_Widget extends \Elementor\Widget_Base {
 	 * @since 1.0.0
 	 * @access protected
 	 */
-	protected function render() {
+	protected function render(): void {
 		$settings = $this->get_settings_for_display();
 
 		if ( empty( $settings['content'] ) ) {
diff --git a/src/controls/control-enqueue.md b/src/controls/control-enqueue.md
index 788ba229..da37ae2d 100644
--- a/src/controls/control-enqueue.md
+++ b/src/controls/control-enqueue.md
@@ -11,7 +11,7 @@ If you need to use an external library or some custom JS/CSS, you can do that by
 ```php
 class Elementor_Test_Control extends \Elementor\Base_Control {
 
-	protected function enqueue() {
+	protected function enqueue(): void {
 
 		// Styles
 		wp_register_style( 'control-style', plugins_url( 'assets/css/control-style.css', __FILE__ ) );
diff --git a/src/controls/control-settings.md b/src/controls/control-settings.md
index 856856e9..f373b3bc 100644
--- a/src/controls/control-settings.md
+++ b/src/controls/control-settings.md
@@ -25,7 +25,7 @@ If a control uses the default settings, you don't need to add it to your class.
 ```php
 class Elementor_Test_Control extends \Elementor\Base_Control {
 
-	protected function get_default_settings() {
+	protected function get_default_settings(): array {
 
 		return [
 			'label_block' => true,
diff --git a/src/controls/control-structure.md b/src/controls/control-structure.md
index 35de2fe8..606aeb51 100644
--- a/src/controls/control-structure.md
+++ b/src/controls/control-structure.md
@@ -31,9 +31,9 @@ A simple control only requires two methods, the control type and the template:
 ```php
 class Elementor_Test_Control extends \Elementor\Base_Control {
 
-	public function get_type() {}
+	public function get_type(): string {}
 
-	public function content_template() {}
+	public function content_template(): void {}
 
 }
 ```
@@ -43,15 +43,15 @@ More advanced controls can use other available methods:
 ```php
 class Elementor_Test_Control extends \Elementor\Base_Control {
 
-	public function get_type() {}
+	public function get_type(): string {}
 
-	protected function get_default_settings() {}
+	protected function get_default_settings(): array {}
 
-	public function get_default_value() {}
+	public function get_default_value(): string {}
 
-	public function content_template() {}
+	public function content_template(): void {}
 
-	public function enqueue() {}
+	public function enqueue(): void {}
 
 }
 ```
diff --git a/src/controls/control-template.md b/src/controls/control-template.md
index 35a39570..0ea2eecc 100644
--- a/src/controls/control-template.md
+++ b/src/controls/control-template.md
@@ -13,7 +13,7 @@ With JS templates we don’t need to retrieve data using a special function, Ele
 <?php
 class Elementor_Test_Control extends \Elementor\Base_Control {
 
-	public function content_template() {
+	public function content_template(): void {
 		$control_uid = $this->get_control_uid();
 		?>
 
diff --git a/src/controls/control-values.md b/src/controls/control-values.md
index 44527511..6db20408 100644
--- a/src/controls/control-values.md
+++ b/src/controls/control-values.md
@@ -13,17 +13,17 @@ The following will set a default value for a [data control](./../editor-controls
 ```php
 class Elementor_Test_Control extends \Elementor\Base_Data_Control {
 
-	public function get_type() {
+	public function get_type(): string {
 		return 'continents-control';
 	}
 
-	protected function get_default_settings() {
+	protected function get_default_settings(): array {
 		return [
 			'continents' => [ 'Asia', 'Africa', 'Europe', 'North America', 'South America', 'Australia/Oceania', 'Antarctica', ]
 		];
 	}
 
-	public function get_default_value() {
+	public function get_default_value(): string {
 		return 'Europe';
 	}
 
@@ -38,7 +38,7 @@ When controls are used in widgets, you can either use the default value set by t
 <?php
 class Elementor_Test_Widget extends \Elementor\Widget_Base {
 
-	protected function register_controls() {
+	protected function register_controls(): void {
 
 		$this->start_controls_section(
 			'section_content',
diff --git a/src/controls/simple-example.md b/src/controls/simple-example.md
index 6ec0e1f3..75b43fce 100644
--- a/src/controls/simple-example.md
+++ b/src/controls/simple-example.md
@@ -103,7 +103,7 @@ class Elementor_Currency_Control extends \Elementor\Base_Data_Control {
 	 * @access public
 	 * @return string Control type.
 	 */
-	public function get_type() {
+	public function get_type(): string {
 		return 'currency';
 	}
 
@@ -117,7 +117,7 @@ class Elementor_Currency_Control extends \Elementor\Base_Data_Control {
 	 * @static
 	 * @return array Available currencies.
 	 */
-	public static function get_currencies() {
+	public static function get_currencies(): array {
 		return [
 			'USD' => 'USD ($)',
 			'EUR' => 'EUR (€)',
@@ -137,7 +137,7 @@ class Elementor_Currency_Control extends \Elementor\Base_Data_Control {
 	 * @access protected
 	 * @return array Currency control default settings.
 	 */
-	protected function get_default_settings() {
+	protected function get_default_settings(): array {
 		return [
 			'currencies' => self::get_currencies()
 		];
@@ -153,7 +153,7 @@ class Elementor_Currency_Control extends \Elementor\Base_Data_Control {
 	 * @access public
 	 * @return array Currency control default value.
 	 */
-	public function get_default_value() {
+	public function get_default_value(): string {
 		return 'EUR';
 	}
 
@@ -167,7 +167,7 @@ class Elementor_Currency_Control extends \Elementor\Base_Data_Control {
 	 * @since 1.0.0
 	 * @access public
 	 */
-	public function content_template() {
+	public function content_template(): void {
 		$control_uid = $this->get_control_uid();
 		?>
 		<div class="elementor-control-field">
@@ -222,7 +222,7 @@ class Elementor_Currency_Widget extends \Elementor\Widget_Base {
 	 * @access public
 	 * @return string Widget name.
 	 */
-	public function get_name() {
+	public function get_name(): string {
 		return 'currency';
 	}
 
@@ -235,7 +235,7 @@ class Elementor_Currency_Widget extends \Elementor\Widget_Base {
 	 * @access public
 	 * @return string Widget title.
 	 */
-	public function get_title() {
+	public function get_title(): string {
 		return esc_html__( 'Currency', 'elementor-currency-control' );
 	}
 
@@ -248,7 +248,7 @@ class Elementor_Currency_Widget extends \Elementor\Widget_Base {
 	 * @access public
 	 * @return string Widget icon.
 	 */
-	public function get_icon() {
+	public function get_icon(): string {
 		return 'eicon-cart-medium';
 	}
 
@@ -261,7 +261,7 @@ class Elementor_Currency_Widget extends \Elementor\Widget_Base {
 	 * @access public
 	 * @return array Widget categories.
 	 */
-	public function get_categories() {
+	public function get_categories(): array {
 		return [ 'general' ];
 	}
 
@@ -274,7 +274,7 @@ class Elementor_Currency_Widget extends \Elementor\Widget_Base {
 	 * @access public
 	 * @return array Widget keywords.
 	 */
-	public function get_keywords() {
+	public function get_keywords(): array {
 		return [ 'currency', 'currencies' ];
 	}
 
@@ -287,7 +287,7 @@ class Elementor_Currency_Widget extends \Elementor\Widget_Base {
 	 * @access public
 	 * @return string Widget help URL.
 	 */
-	public function get_custom_help_url() {
+	public function get_custom_help_url(): string {
 		return 'https://developers.elementor.com/docs/widgets/';
 	}
 
@@ -299,7 +299,7 @@ class Elementor_Currency_Widget extends \Elementor\Widget_Base {
 	 * @since 1.0.0
 	 * @access protected
 	 */
-	protected function register_controls() {
+	protected function register_controls(): void {
 
 		$this->start_controls_section(
 			'content_section',
@@ -338,7 +338,7 @@ class Elementor_Currency_Widget extends \Elementor\Widget_Base {
 	 * @since 1.0.0
 	 * @access protected
 	 */
-	protected function render() {
+	protected function render(): void {
 		$settings = $this->get_settings_for_display();
 
 		if ( empty( $settings['price_currency'] ) ) {
diff --git a/src/deprecations/deprecated-action-hook.md b/src/deprecations/deprecated-action-hook.md
index cb21ba46..22d14dae 100644
--- a/src/deprecations/deprecated-action-hook.md
+++ b/src/deprecations/deprecated-action-hook.md
@@ -19,7 +19,7 @@ For example, take the following code:
 ```php
 class Name {
 
-	function init( $args ) {
+	function init( $args ): void {
 		do_action( 'elementor/old/action', $args );
 	}
 
@@ -33,7 +33,7 @@ use Elementor\Plugin;
 
 class Name {
 
-	function init( $args ) {
+	function init( $args ): void {
 		// Deprecation handler
 		Plugin::$instance->modules_manager->get_modules( 'dev-tools' )->deprecation->do_deprecated_action(
 			'elementor/old/action',
@@ -56,7 +56,7 @@ After eight major versions, the code will look like this:
 ```php
 class Name {
 
-	function init( $args ) {
+	function init( $args ): void {
 		do_action( 'elementor/new/action', $args );
 	}
 
diff --git a/src/deprecations/deprecated-argument.md b/src/deprecations/deprecated-argument.md
index e5de68bd..4bb7c34d 100644
--- a/src/deprecations/deprecated-argument.md
+++ b/src/deprecations/deprecated-argument.md
@@ -21,7 +21,7 @@ class Items_Manager {
 
 	private $items;
 
-	function register( $instance, $id = null ) {
+	function register( $instance, $id = null ): void {
 		$this->items[ $id ] = $instance;
 	}
 
@@ -39,7 +39,7 @@ class Items_Manager {
 
 	private $items;
 
-	function register( $instance, $id = null ) {
+	function register( $instance, $id = null ): void {
 		if ( $id ) {
 			// TODO: Remove this in the future.
 			Plugin::instance()->modules_manager->get_modules( 'dev-tools' )->deprecation->deprecated_argument(
@@ -66,7 +66,7 @@ class Items_Manager {
 
 	private $items;
 
-	function register( $instance ) {
+	function register( $instance ): void {
 		$id = $instance->get_id();
 		$this->items[ $id ] = $instance;
 	}
diff --git a/src/deprecations/deprecated-filter-hook.md b/src/deprecations/deprecated-filter-hook.md
index 0ee4c827..edbef09d 100644
--- a/src/deprecations/deprecated-filter-hook.md
+++ b/src/deprecations/deprecated-filter-hook.md
@@ -17,7 +17,7 @@ For example, take the following code:
 ```php
 class Name {
 
-	function init( $args ) {
+	function init( $args ): void {
 		$value = apply_filters( 'elementor/old/filter', $value, $args );
 	}
 
@@ -31,7 +31,7 @@ use Elementor\Plugin;
 
 class Name {
 
-	function init( $args ) {
+	function init( $args ): void {
 		// Deprecation handler
 		Plugin::$instance->modules_manager->get_modules( 'dev-tools' )->deprecation->apply_deprecated_filter(
 			'elementor/old/filter',
@@ -54,7 +54,7 @@ After eight major versions, the code will look like this:
 ```php
 class Name {
 
-	function init( $args ) {
+	function init( $args ): void {
 		$value = apply_filters( 'elementor/new/filter', $value, $args );
 	}
 
diff --git a/src/deprecations/deprecated-function.md b/src/deprecations/deprecated-function.md
index 79169e3d..2e18137d 100644
--- a/src/deprecations/deprecated-function.md
+++ b/src/deprecations/deprecated-function.md
@@ -19,7 +19,7 @@ For example, take the following code:
 ```php
 class Items {
 
-	function add_item( $item_instance ) {
+	function add_item( $item_instance ): void {
 		/* ... */
 	}
 
@@ -33,11 +33,11 @@ use Elementor\Plugin;
 
 class Items {
 
-	function register( $item_instance ) {
+	function register( $item_instance ): void {
 		/* ... */
 	}
 
-	function add_item( $item_instance ) {
+	function add_item( $item_instance ): void {
 		// Deprecation handler
 		Plugin::$instance->modules_manager->get_modules( 'dev-tools' )->deprecation->deprecated_function(
 			'add_item()',
@@ -59,7 +59,7 @@ After eight major versions, the code will look like this:
 ```php
 class Items {
 
-	function register( $item_instance ) {
+	function register( $item_instance ): void {
 		/* ... */
 	}
 
@@ -73,8 +73,8 @@ Addon developers who use the old `add_item()` method should simply rename the me
 ```diff
 class MyItem extends Items {
 
--	protected function add_item() {
-+	protected function register() {
+-	protected function add_item(): void {
++	protected function register(): void {
 		/* ... */
 	}
 
diff --git a/src/deprecations/simple-example.md b/src/deprecations/simple-example.md
index 03c33c84..963cd29f 100644
--- a/src/deprecations/simple-example.md
+++ b/src/deprecations/simple-example.md
@@ -11,22 +11,22 @@ Addon developers should update their code, replacing deprecated methods. The fix
 ```diff
 class Elementor_Test_Widget extends \Elementor\Widget_Base {
 
-	public function get_name() {}
+	public function get_name(): string {}
 
-	public function get_title() {}
+	public function get_title(): string {}
 
-	public function get_icon() {}
+	public function get_icon(): string {}
 
-	public function get_categories() {}
+	public function get_categories(): array {}
 
--	protected function _register_controls() {}
-+	protected function register_controls() {}
+-	protected function _register_controls(): void {}
++	protected function register_controls(): void {}
 
--	protected function _render() {}
-+	protected function render() {}
+-	protected function _render(): void {}
++	protected function render(): void {}
 
--	protected function _content_template() {}
-+	protected function content_template() {}
+-	protected function _content_template(): void {}
++	protected function content_template(): void {}
 
 }
 ```
diff --git a/src/dynamic-tags/advanced-example.md b/src/dynamic-tags/advanced-example.md
index 12243b41..4d510cda 100644
--- a/src/dynamic-tags/advanced-example.md
+++ b/src/dynamic-tags/advanced-example.md
@@ -107,7 +107,7 @@ class Elementor_Dynamic_Tag_ACF_Average extends \Elementor\Core\DynamicTags\Tag
 	 * @access public
 	 * @return string Dynamic tag name.
 	 */
-	public function get_name() {
+	public function get_name(): string {
 		return 'acf-average';
 	}
 
@@ -120,7 +120,7 @@ class Elementor_Dynamic_Tag_ACF_Average extends \Elementor\Core\DynamicTags\Tag
 	 * @access public
 	 * @return string Dynamic tag title.
 	 */
-	public function get_title() {
+	public function get_title(): string {
 		return esc_html__( 'ACF Average', 'elementor-acf-average-dynamic-tag' );
 	}
 
@@ -133,7 +133,7 @@ class Elementor_Dynamic_Tag_ACF_Average extends \Elementor\Core\DynamicTags\Tag
 	 * @access public
 	 * @return array Dynamic tag groups.
 	 */
-	public function get_group() {
+	public function get_group(): array {
 		return [ 'site' ];
 	}
 
@@ -146,7 +146,7 @@ class Elementor_Dynamic_Tag_ACF_Average extends \Elementor\Core\DynamicTags\Tag
 	 * @access public
 	 * @return array Dynamic tag categories.
 	 */
-	public function get_categories() {
+	public function get_categories(): array {
 		return [ \Elementor\Modules\DynamicTags\Module::TEXT_CATEGORY ];
 	}
 
@@ -159,7 +159,7 @@ class Elementor_Dynamic_Tag_ACF_Average extends \Elementor\Core\DynamicTags\Tag
 	 * @access protected
 	 * @return void
 	 */
-	protected function register_controls() {
+	protected function register_controls(): void {
 		$this->add_control(
 			'fields',
 			[
@@ -178,7 +178,7 @@ class Elementor_Dynamic_Tag_ACF_Average extends \Elementor\Core\DynamicTags\Tag
 	 * @access public
 	 * @return void
 	 */
-	public function render() {
+	public function render(): void {
 		$fields = $this->get_settings( 'fields' );
 		$sum = 0;
 		$count = 0;
diff --git a/src/dynamic-tags/complex-example.md b/src/dynamic-tags/complex-example.md
index 3bdb1b9f..a1a39f86 100644
--- a/src/dynamic-tags/complex-example.md
+++ b/src/dynamic-tags/complex-example.md
@@ -107,7 +107,7 @@ class Elementor_Dynamic_Tag_Server_Variable extends \Elementor\Core\DynamicTags\
 	 * @access public
 	 * @return string Dynamic tag name.
 	 */
-	public function get_name() {
+	public function get_name(): string {
 		return 'server-variable';
 	}
 
@@ -120,7 +120,7 @@ class Elementor_Dynamic_Tag_Server_Variable extends \Elementor\Core\DynamicTags\
 	 * @access public
 	 * @return string Dynamic tag title.
 	 */
-	public function get_title() {
+	public function get_title(): string {
 		return esc_html__( 'Server Variable', 'textdomain' );
 	}
 
@@ -133,7 +133,7 @@ class Elementor_Dynamic_Tag_Server_Variable extends \Elementor\Core\DynamicTags\
 	 * @access public
 	 * @return array Dynamic tag groups.
 	 */
-	public function get_group() {
+	public function get_group(): array {
 		return [ 'request-variables' ];
 	}
 
@@ -146,7 +146,7 @@ class Elementor_Dynamic_Tag_Server_Variable extends \Elementor\Core\DynamicTags\
 	 * @access public
 	 * @return array Dynamic tag categories.
 	 */
-	public function get_categories() {
+	public function get_categories(): array {
 		return [ \Elementor\Modules\DynamicTags\Module::TEXT_CATEGORY ];
 	}
 
@@ -159,7 +159,7 @@ class Elementor_Dynamic_Tag_Server_Variable extends \Elementor\Core\DynamicTags\
 	 * @access protected
 	 * @return void
 	 */
-	protected function register_controls() {
+	protected function register_controls(): void {
 		$variables = [];
 
 		foreach ( array_keys( $_SERVER ) as $variable ) {
@@ -185,7 +185,7 @@ class Elementor_Dynamic_Tag_Server_Variable extends \Elementor\Core\DynamicTags\
 	 * @access public
 	 * @return void
 	 */
-	public function render() {
+	public function render(): void {
 		$user_selected_variable = $this->get_settings( 'user_selected_variable' );
 
 		if ( ! $user_selected_variable ) {
diff --git a/src/dynamic-tags/dynamic-tags-categories.md b/src/dynamic-tags/dynamic-tags-categories.md
index 899c4c05..15c9cdaa 100644
--- a/src/dynamic-tags/dynamic-tags-categories.md
+++ b/src/dynamic-tags/dynamic-tags-categories.md
@@ -32,7 +32,7 @@ When creating new dynamic tags, you need to define what data type the tag will r
 ```php
 class Elementor_Test_Tag extends \Elementor\Core\DynamicTags\Tag {
 
-	public function get_categories() {
+	public function get_categories(): array {
 		return [ \Elementor\Modules\DynamicTags\Module::TEXT_CATEGORY ];
 	}
 
@@ -44,7 +44,7 @@ The method returns an array, meaning that the dynamic tag can return several dat
 ```php
 class Elementor_Test_Tag extends \Elementor\Core\DynamicTags\Tag {
 
-	public function get_categories() {
+	public function get_categories(): array {
 		return [
 			\Elementor\Modules\DynamicTags\Module::URL_CATEGORY,
 			\Elementor\Modules\DynamicTags\Module::TEXT_CATEGORY,
@@ -62,11 +62,11 @@ On the other hand, when you create [controls](./../editor-controls/), you need t
 ```php {13-19}
 class Elementor_Test_Control extends \Elementor\Base_Control {
 
-	public function get_type() {}
+	public function get_type(): string {}
 
-	public function content_template() {}
+	public function content_template(): void {}
 
-	protected function get_default_settings() {
+	protected function get_default_settings(): array {
 
 		return [
 			'show_label' => true,
diff --git a/src/dynamic-tags/dynamic-tags-controls.md b/src/dynamic-tags/dynamic-tags-controls.md
index b1292f0d..7abeafa0 100644
--- a/src/dynamic-tags/dynamic-tags-controls.md
+++ b/src/dynamic-tags/dynamic-tags-controls.md
@@ -11,7 +11,7 @@ To set custom controls for dynamic tags, use the `register_controls()` method as
 ```php
 class Elementor_Test_Tag extends \Elementor\Core\DynamicTags\Tag {
 
-	protected function register_controls() {
+	protected function register_controls(): void {
 
 		$this->add_control(
 			'text_param',
diff --git a/src/dynamic-tags/dynamic-tags-data.md b/src/dynamic-tags/dynamic-tags-data.md
index 1579f630..768577bf 100644
--- a/src/dynamic-tags/dynamic-tags-data.md
+++ b/src/dynamic-tags/dynamic-tags-data.md
@@ -11,19 +11,19 @@ Dynamic tags data is "returned" by these methods:
 ```php
 class Elementor_Test_Tag extends \Elementor\Core\DynamicTags\Tag {
 
-	public function get_name() {
+	public function get_name(): string {
 		return 'tag-name';
 	}
 
-	public function get_title() {
+	public function get_title(): string {
 		return esc_html__( 'Dynamic Tag Name', 'textdomain' );
 	}
 
-	public function get_group() {
+	public function get_group(): array {
 		return [ 'group-name' ];
 	}
 
-	public function get_categories() {
+	public function get_categories(): array {
 		return [ \Elementor\Modules\DynamicTags\Module::TEXT_CATEGORY ];
 	}
 
diff --git a/src/dynamic-tags/dynamic-tags-groups.md b/src/dynamic-tags/dynamic-tags-groups.md
index 4d0a2ef4..be2ee1c5 100644
--- a/src/dynamic-tags/dynamic-tags-groups.md
+++ b/src/dynamic-tags/dynamic-tags-groups.md
@@ -27,7 +27,7 @@ When creating new dynamic tags, you can set the tag group by returning group nam
 ```php
 class Elementor_Test_Tag extends \Elementor\Core\DynamicTags\Tag {
 
-	public function get_group() {
+	public function get_group(): array {
 		return [ 'action' ];
 	}
 
diff --git a/src/dynamic-tags/dynamic-tags-rendering.md b/src/dynamic-tags/dynamic-tags-rendering.md
index 1c630042..1ee6300c 100644
--- a/src/dynamic-tags/dynamic-tags-rendering.md
+++ b/src/dynamic-tags/dynamic-tags-rendering.md
@@ -11,7 +11,7 @@ To render the dynamic tag output and data echoes, we use the `render()` method a
 ```php
 class Elementor_Test_Tag extends \Elementor\Core\DynamicTags\Tag {
 
-	public function render() {
+	public function render(): void {
 
 		echo rand();
 
@@ -25,7 +25,7 @@ To extract data from the [dynamic tag controls](./dynamic-tags-controls/), we ca
 ```php
 class Elementor_Test_Tag extends \Elementor\Core\DynamicTags\Tag {
 
-	public function render() {
+	public function render(): void {
 		$param1 = $this->get_settings( 'text_param' );
 		$param2 = $this->get_settings( 'number_param' );
 		$param3 = $this->get_settings( 'select_param' );
diff --git a/src/dynamic-tags/dynamic-tags-structure.md b/src/dynamic-tags/dynamic-tags-structure.md
index 3ebb09c9..de542893 100644
--- a/src/dynamic-tags/dynamic-tags-structure.md
+++ b/src/dynamic-tags/dynamic-tags-structure.md
@@ -20,17 +20,17 @@ A simple dynamic tag skeleton will look like this:
 ```php
 class Elementor_Test_Tag extends \Elementor\Core\DynamicTags\Tag {
 
-	public function get_name() {}
+	public function get_name(): string {}
 
-	public function get_title() {}
+	public function get_title(): string {}
 
-	public function get_group() {}
+	public function get_group(): array {}
 
-	public function get_categories() {}
+	public function get_categories(): array {}
 
-	protected function register_controls() {}
+	protected function register_controls(): void {}
 
-	public function render() {}
+	public function render(): void {}
 
 }
 ```
diff --git a/src/dynamic-tags/simple-example.md b/src/dynamic-tags/simple-example.md
index 8d6bf129..47c21028 100644
--- a/src/dynamic-tags/simple-example.md
+++ b/src/dynamic-tags/simple-example.md
@@ -86,7 +86,7 @@ class Elementor_Dynamic_Tag_Random_Number extends \Elementor\Core\DynamicTags\Ta
 	 * @access public
 	 * @return string Dynamic tag name.
 	 */
-	public function get_name() {
+	public function get_name(): string {
 		return 'random-number';
 	}
 
@@ -99,7 +99,7 @@ class Elementor_Dynamic_Tag_Random_Number extends \Elementor\Core\DynamicTags\Ta
 	 * @access public
 	 * @return string Dynamic tag title.
 	 */
-	public function get_title() {
+	public function get_title(): string {
 		return esc_html__( 'Random Number', 'elementor-random-number-dynamic-tag' );
 	}
 
@@ -112,7 +112,7 @@ class Elementor_Dynamic_Tag_Random_Number extends \Elementor\Core\DynamicTags\Ta
 	 * @access public
 	 * @return array Dynamic tag groups.
 	 */
-	public function get_group() {
+	public function get_group(): array {
 		return [ 'actions' ];
 	}
 
@@ -125,7 +125,7 @@ class Elementor_Dynamic_Tag_Random_Number extends \Elementor\Core\DynamicTags\Ta
 	 * @access public
 	 * @return array Dynamic tag categories.
 	 */
-	public function get_categories() {
+	public function get_categories(): array {
 		return [ \Elementor\Modules\DynamicTags\Module::NUMBER_CATEGORY ];
 	}
 
@@ -138,7 +138,7 @@ class Elementor_Dynamic_Tag_Random_Number extends \Elementor\Core\DynamicTags\Ta
 	 * @access public
 	 * @return void
 	 */
-	public function render() {
+	public function render(): void {
 		echo rand();
 	}
 
diff --git a/src/editor-controls/control-alert.md b/src/editor-controls/control-alert.md
index 3e122cd7..6142209c 100644
--- a/src/editor-controls/control-alert.md
+++ b/src/editor-controls/control-alert.md
@@ -65,7 +65,7 @@ This control does not return any value.
 <?php
 class Elementor_Test_Widget extends \Elementor\Widget_Base {
 
-	protected function register_controls() {
+	protected function register_controls(): void {
 
 		$this->start_controls_section(
 			'content_section',
diff --git a/src/editor-controls/control-animation.md b/src/editor-controls/control-animation.md
index 5dee6f0f..eddb7ecf 100644
--- a/src/editor-controls/control-animation.md
+++ b/src/editor-controls/control-animation.md
@@ -77,7 +77,7 @@ When using this control, the `type` should be set to `\Elementor\Controls_Manage
 <?php
 class Elementor_Test_Widget extends \Elementor\Widget_Base {
 
-	protected function register_controls() {
+	protected function register_controls(): void {
 
 		$this->start_controls_section(
 			'style_section',
@@ -100,7 +100,7 @@ class Elementor_Test_Widget extends \Elementor\Widget_Base {
 
 	}
 
-	protected function render() {
+	protected function render(): void {
 		$settings = $this->get_settings_for_display();
 		?>
 		<div class="<?php echo esc_attr( $settings['entrance_animation'] ); ?>">
@@ -109,7 +109,7 @@ class Elementor_Test_Widget extends \Elementor\Widget_Base {
 		<?php
 	}
 
-	protected function content_template() {
+	protected function content_template(): void {
 		?>
 		<div class="{{ settings.entrance_animation }}">
 			...
diff --git a/src/editor-controls/control-box-shadow.md b/src/editor-controls/control-box-shadow.md
index 6533c6bf..77b7b710 100644
--- a/src/editor-controls/control-box-shadow.md
+++ b/src/editor-controls/control-box-shadow.md
@@ -37,7 +37,7 @@ When using this control, the `type` should be set to `\Elementor\Controls_Manage
 <?php
 class Elementor_Test_Widget extends \Elementor\Widget_Base {
 
-	protected function register_controls() {
+	protected function register_controls(): void {
 
 		$this->start_controls_section(
 			'style_section',
diff --git a/src/editor-controls/control-button.md b/src/editor-controls/control-button.md
index d83d0d59..17bd2d03 100644
--- a/src/editor-controls/control-button.md
+++ b/src/editor-controls/control-button.md
@@ -87,7 +87,7 @@ This control does not return any value.
 <?php
 class Elementor_Test_Widget extends \Elementor\Widget_Base {
 
-	protected function register_controls() {
+	protected function register_controls(): void {
 
 		$this->start_controls_section(
 			'style_section',
diff --git a/src/editor-controls/control-choose.md b/src/editor-controls/control-choose.md
index bd84051a..2cdb9203 100644
--- a/src/editor-controls/control-choose.md
+++ b/src/editor-controls/control-choose.md
@@ -89,7 +89,7 @@ When using this control, the `type` should be set to `\Elementor\Controls_Manage
 <?php
 class Elementor_Test_Widget extends \Elementor\Widget_Base {
 
-	protected function register_controls() {
+	protected function register_controls(): void {
 
 		$this->start_controls_section(
 			'style_section',
@@ -130,7 +130,7 @@ class Elementor_Test_Widget extends \Elementor\Widget_Base {
 
 	}
 
-	protected function render() {
+	protected function render(): void {
 		$settings = $this->get_settings_for_display();
 		?>
 		<div class="your-class">
@@ -139,7 +139,7 @@ class Elementor_Test_Widget extends \Elementor\Widget_Base {
 		<?php
 	}
 
-	protected function content_template() {
+	protected function content_template(): void {
 		?>
 		<div class="your-class">
 			...
diff --git a/src/editor-controls/control-code.md b/src/editor-controls/control-code.md
index 65e76136..d581482c 100644
--- a/src/editor-controls/control-code.md
+++ b/src/editor-controls/control-code.md
@@ -89,7 +89,7 @@ When using this control, the `type` should be set to `\Elementor\Controls_Manage
 <?php
 class Elementor_Test_Widget extends \Elementor\Widget_Base {
 
-	protected function register_controls() {
+	protected function register_controls(): void {
 
 		$this->start_controls_section(
 			'content_section',
@@ -113,7 +113,7 @@ class Elementor_Test_Widget extends \Elementor\Widget_Base {
 
 	}
 
-	protected function render() {
+	protected function render(): void {
 		$settings = $this->get_settings_for_display();
 
 		if ( empty( $settings['custom_html'] ) ) {
@@ -127,7 +127,7 @@ class Elementor_Test_Widget extends \Elementor\Widget_Base {
 
 	}
 
-	protected function content_template() {
+	protected function content_template(): void {
 		?>
 		<#
 		if ( '' === settings.custom_html ) {
diff --git a/src/editor-controls/control-color.md b/src/editor-controls/control-color.md
index a58d946f..5b609fbe 100644
--- a/src/editor-controls/control-color.md
+++ b/src/editor-controls/control-color.md
@@ -83,7 +83,7 @@ When using this control, the `type` should be set to `\Elementor\Controls_Manage
 <?php
 class Elementor_Test_Widget extends \Elementor\Widget_Base {
 
-	protected function register_controls() {
+	protected function register_controls(): void {
 
 		$this->start_controls_section(
 			'style_section',
@@ -108,7 +108,7 @@ class Elementor_Test_Widget extends \Elementor\Widget_Base {
 
 	}
 
-	protected function render() {
+	protected function render(): void {
 		$settings = $this->get_settings_for_display();
 		?>
 		<div class="your-class">
@@ -117,7 +117,7 @@ class Elementor_Test_Widget extends \Elementor\Widget_Base {
 		<?php
 	}
 
-	protected function content_template() {
+	protected function content_template(): void {
 		?>
 		<div class="your-class">
 			...
diff --git a/src/editor-controls/control-date-time.md b/src/editor-controls/control-date-time.md
index 15743893..ea1c5bd4 100644
--- a/src/editor-controls/control-date-time.md
+++ b/src/editor-controls/control-date-time.md
@@ -85,7 +85,7 @@ When using this control, the `type` should be set to `\Elementor\Controls_Manage
 <?php
 class Elementor_Test_Widget extends \Elementor\Widget_Base {
 
-	protected function register_controls() {
+	protected function register_controls(): void {
 
 		$this->start_controls_section(
 			'content_section',
@@ -107,7 +107,7 @@ class Elementor_Test_Widget extends \Elementor\Widget_Base {
 
 	}
 
-	protected function render() {
+	protected function render(): void {
 		$settings = $this->get_settings_for_display();
 
 		if ( empty( $settings['due_date'] ) ) {
@@ -121,7 +121,7 @@ class Elementor_Test_Widget extends \Elementor\Widget_Base {
 		<?php
 	}
 
-	protected function content_template() {
+	protected function content_template(): void {
 		?>
 		<#
 		if ( '' === settings.due_date ) {
diff --git a/src/editor-controls/control-deprecated-notice.md b/src/editor-controls/control-deprecated-notice.md
index f8bb5200..7e978738 100644
--- a/src/editor-controls/control-deprecated-notice.md
+++ b/src/editor-controls/control-deprecated-notice.md
@@ -99,7 +99,7 @@ Add a notice warning that the widget is deprecated using the regular `add_contro
 <?php
 class Elementor_Test_Widget extends \Elementor\Widget_Base {
 
-	protected function register_controls() {
+	protected function register_controls(): void {
 
 		$this->start_controls_section(
 			'content_section',
@@ -139,7 +139,7 @@ Add a notice warning that the widget is deprecated using the `deprecated_notice(
 <?php
 class Elementor_Test_Widget extends \Elementor\Widget_Base {
 
-	protected function register_controls() {
+	protected function register_controls(): void {
 
 		$this->start_controls_section(
 			'content_section',
diff --git a/src/editor-controls/control-dimensions.md b/src/editor-controls/control-dimensions.md
index 65a111bc..564d531b 100644
--- a/src/editor-controls/control-dimensions.md
+++ b/src/editor-controls/control-dimensions.md
@@ -127,7 +127,7 @@ When using this control, the `type` should be set to `\Elementor\Controls_Manage
 <?php
 class Elementor_Test_Widget extends \Elementor\Widget_Base {
 
-	protected function register_controls() {
+	protected function register_controls(): void {
 
 		$this->start_controls_section(
 			'style_section',
@@ -161,7 +161,7 @@ class Elementor_Test_Widget extends \Elementor\Widget_Base {
 
 	}
 
-	protected function render() {
+	protected function render(): void {
 		$settings = $this->get_settings_for_display();
 		?>
 		<div class="your-class">
@@ -170,7 +170,7 @@ class Elementor_Test_Widget extends \Elementor\Widget_Base {
 		<?php
 	}
 
-	protected function content_template() {
+	protected function content_template(): void {
 		?>
 		<div class="your-class">
 			...
diff --git a/src/editor-controls/control-divider.md b/src/editor-controls/control-divider.md
index 452292ef..86e82ed5 100644
--- a/src/editor-controls/control-divider.md
+++ b/src/editor-controls/control-divider.md
@@ -45,7 +45,7 @@ This control does not return any value.
 <?php
 class Elementor_Test_Widget extends \Elementor\Widget_Base {
 
-	protected function register_controls() {
+	protected function register_controls(): void {
 
 		$this->start_controls_section(
 			'content_section',
diff --git a/src/editor-controls/control-exit-animation.md b/src/editor-controls/control-exit-animation.md
index 9aede001..0940835c 100644
--- a/src/editor-controls/control-exit-animation.md
+++ b/src/editor-controls/control-exit-animation.md
@@ -77,7 +77,7 @@ When using this control, the `type` should be set to `\Elementor\Controls_Manage
 <?php
 class Elementor_Test_Widget extends \Elementor\Widget_Base {
 
-	protected function register_controls() {
+	protected function register_controls(): void {
 
 		$this->start_controls_section(
 			'style_section',
@@ -100,7 +100,7 @@ class Elementor_Test_Widget extends \Elementor\Widget_Base {
 
 	}
 
-	protected function render() {
+	protected function render(): void {
 		$settings = $this->get_settings_for_display();
 		?>
 		<div class="<?php echo esc_attr( $settings['exit_animation'] ); ?>">
@@ -109,7 +109,7 @@ class Elementor_Test_Widget extends \Elementor\Widget_Base {
 		<?php
 	}
 
-	protected function content_template() {
+	protected function content_template(): void {
 		?>
 		<div class="{{ settings.exit_animation }}">
 			...
diff --git a/src/editor-controls/control-font.md b/src/editor-controls/control-font.md
index 77d44d98..84604c06 100644
--- a/src/editor-controls/control-font.md
+++ b/src/editor-controls/control-font.md
@@ -93,7 +93,7 @@ When using this control, the `type` should be set to `\Elementor\Controls_Manage
 <?php
 class Elementor_Test_Widget extends \Elementor\Widget_Base {
 
-	protected function register_controls() {
+	protected function register_controls(): void {
 
 		$this->start_controls_section(
 			'style_section',
@@ -119,7 +119,7 @@ class Elementor_Test_Widget extends \Elementor\Widget_Base {
 
 	}
 
-	protected function render() {
+	protected function render(): void {
 		$settings = $this->get_settings_for_display();
 		?>
 		<h2 class="your-class">
@@ -129,7 +129,7 @@ class Elementor_Test_Widget extends \Elementor\Widget_Base {
 
 	}
 
-	protected function content_template() {
+	protected function content_template(): void {
 		?>
 		<h2 class="your-class">
 			...
diff --git a/src/editor-controls/control-gallery.md b/src/editor-controls/control-gallery.md
index a7683e76..e9f08fd7 100644
--- a/src/editor-controls/control-gallery.md
+++ b/src/editor-controls/control-gallery.md
@@ -95,7 +95,7 @@ When using this control, the `type` should be set to `\Elementor\Controls_Manage
 <?php
 class Elementor_Test_Widget extends \Elementor\Widget_Base {
 
-	protected function register_controls() {
+	protected function register_controls(): void {
 
 		$this->start_controls_section(
 			'content_section',
@@ -119,14 +119,14 @@ class Elementor_Test_Widget extends \Elementor\Widget_Base {
 
 	}
 
-	protected function render() {
+	protected function render(): void {
 		$settings = $this->get_settings_for_display();
 		foreach ( $settings['gallery'] as $image ) {
 			echo '<img src="' . esc_attr( $image['url'] ) . '">';
 		}
 	}
 
-	protected function content_template() {
+	protected function content_template(): void {
 		?>
 		<# _.each( settings.gallery, function( image ) { #>
 			<img src="{{ image.url }}">
diff --git a/src/editor-controls/control-heading.md b/src/editor-controls/control-heading.md
index 91d0f4a4..c77f13c3 100644
--- a/src/editor-controls/control-heading.md
+++ b/src/editor-controls/control-heading.md
@@ -63,7 +63,7 @@ This control does not return any value.
 <?php
 class Elementor_Test_Widget extends \Elementor\Widget_Base {
 
-	protected function register_controls() {
+	protected function register_controls(): void {
 
 		$this->start_controls_section(
 			'content_section',
diff --git a/src/editor-controls/control-hidden.md b/src/editor-controls/control-hidden.md
index cb821b1c..63cd5b99 100644
--- a/src/editor-controls/control-hidden.md
+++ b/src/editor-controls/control-hidden.md
@@ -51,7 +51,7 @@ When using this control, the `type` should be set to `\Elementor\Controls_Manage
 <?php
 class Elementor_Test_Widget extends \Elementor\Widget_Base {
 
-	protected function register_controls() {
+	protected function register_controls(): void {
 
 		$this->start_controls_section(
 			'content_section',
@@ -74,14 +74,14 @@ class Elementor_Test_Widget extends \Elementor\Widget_Base {
 
 	}
 
-	protected function render() {
+	protected function render(): void {
 		$settings = $this->get_settings_for_display();
 		?>
 		<!-- <?php echo $settings['view']; ?> -->		
 		<?php
 	}
 
-	protected function content_template() {
+	protected function content_template(): void {
 		?>
 		<!-- {{{ settings.view }}} -->
 		<?php
diff --git a/src/editor-controls/control-hover-animation.md b/src/editor-controls/control-hover-animation.md
index 593969a7..d8cbcf1b 100644
--- a/src/editor-controls/control-hover-animation.md
+++ b/src/editor-controls/control-hover-animation.md
@@ -77,7 +77,7 @@ When using this control, the `type` should be set to `\Elementor\Controls_Manage
 <?php
 class Elementor_Test_Widget extends \Elementor\Widget_Base {
 
-	protected function register_controls() {
+	protected function register_controls(): void {
 
 		$this->start_controls_section(
 			'style_section',
@@ -99,7 +99,7 @@ class Elementor_Test_Widget extends \Elementor\Widget_Base {
 
 	}
 
-	protected function render() {
+	protected function render(): void {
 		$settings = $this->get_settings_for_display();
 
 		$elementClass = 'container';
@@ -116,7 +116,7 @@ class Elementor_Test_Widget extends \Elementor\Widget_Base {
 		<?php
 	}
 
-	protected function content_template() {
+	protected function content_template(): void {
 		?>
 		<#
 		const elementClass = 'container';
diff --git a/src/editor-controls/control-icon.md b/src/editor-controls/control-icon.md
index fe703100..704dc8ed 100644
--- a/src/editor-controls/control-icon.md
+++ b/src/editor-controls/control-icon.md
@@ -97,7 +97,7 @@ When using this control, the `type` should be set to `\Elementor\Controls_Manage
 <?php
 class Elementor_Test_Widget extends \Elementor\Widget_Base {
 
-	protected function register_controls() {
+	protected function register_controls(): void {
 
 		$this->start_controls_section(
 			'content_section',
@@ -133,14 +133,14 @@ class Elementor_Test_Widget extends \Elementor\Widget_Base {
 
 	}
 
-	protected function render() {
+	protected function render(): void {
 		$settings = $this->get_settings_for_display();
 		?>
 		<i class="<?php echo esc_attr( $settings['icon'] ); ?>" aria-hidden="true"></i>
 		<?php
 	}
 
-	protected function content_template() {
+	protected function content_template(): void {
 		?>
 		<i class="{{ settings.icon }}" aria-hidden="true"></i>
 		<?php
diff --git a/src/editor-controls/control-icons.md b/src/editor-controls/control-icons.md
index 9caf1cd1..43729210 100644
--- a/src/editor-controls/control-icons.md
+++ b/src/editor-controls/control-icons.md
@@ -109,15 +109,15 @@ When using this control, the `type` should be set to `\Elementor\Controls_Manage
 <?php
 class Icons_Elementor_Test_Control_Widget extends \Elementor\Widget_Base {
 
-	public function get_name() {
+	public function get_name(): string {
 		return 'icons_test_widget';
 	}
 
-	public function get_title() {
+	public function get_title(): string {
 		return esc_html__( 'Icons Test Widget', 'textdomain' );
 	}
 
-	protected function register_controls() {
+	protected function register_controls(): void {
 
 		$this->start_controls_section(
 			'section_icon',
@@ -155,7 +155,7 @@ class Icons_Elementor_Test_Control_Widget extends \Elementor\Widget_Base {
 
 	}
 
-	protected function render() {
+	protected function render(): void {
 		$settings = $this->get_settings_for_display();
 		?>
 		<div class="my-icon-wrapper">
@@ -164,7 +164,7 @@ class Icons_Elementor_Test_Control_Widget extends \Elementor\Widget_Base {
 		<?php
 	}
 
-	protected function content_template() {
+	protected function content_template(): void {
 		?>
 		<#
 		const iconHTML = elementor.helpers.renderIcon( view, settings.selected_icon, { 'aria-hidden': true }, 'i' , 'object' );
diff --git a/src/editor-controls/control-image-dimensions.md b/src/editor-controls/control-image-dimensions.md
index ad8d3463..900fb334 100644
--- a/src/editor-controls/control-image-dimensions.md
+++ b/src/editor-controls/control-image-dimensions.md
@@ -93,7 +93,7 @@ When using this control, the `type` should be set to `\Elementor\Controls_Manage
 <?php
 class Elementor_Test_Widget extends \Elementor\Widget_Base {
 
-	protected function register_controls() {
+	protected function register_controls(): void {
 
 		$this->start_controls_section(
 			'content_section',
diff --git a/src/editor-controls/control-media.md b/src/editor-controls/control-media.md
index 0be4b175..07e0cd45 100644
--- a/src/editor-controls/control-media.md
+++ b/src/editor-controls/control-media.md
@@ -101,7 +101,7 @@ Add an image:
 <?php
 class Elementor_Test_Widget extends \Elementor\Widget_Base {
 
-	protected function register_controls() {
+	protected function register_controls(): void {
 
 		$this->start_controls_section(
 			'content_section',
@@ -126,7 +126,7 @@ class Elementor_Test_Widget extends \Elementor\Widget_Base {
 
 	}
 
-	protected function render() {
+	protected function render(): void {
 		$settings = $this->get_settings_for_display();
 
 		if ( empty( $settings['image']['url'] ) ) {
@@ -147,7 +147,7 @@ class Elementor_Test_Widget extends \Elementor\Widget_Base {
 		echo \Elementor\Group_Control_Image_Size::get_attachment_image_html( $settings, 'thumbnail', 'image' );
 	}
 
-	protected function content_template() {
+	protected function content_template(): void {
 		?>
 		<#
 		if ( '' === settings.image.url ) {
@@ -181,7 +181,7 @@ Add a video media type to display a self hosted video:
 <?php
 class Elementor_Test_Widget extends \Elementor\Widget_Base {
 
-	protected function register_controls() {
+	protected function register_controls(): void {
 
 		$this->start_controls_section(
 			'content_section',
@@ -207,7 +207,7 @@ class Elementor_Test_Widget extends \Elementor\Widget_Base {
 
 	}
 
-	protected function render() {
+	protected function render(): void {
 		$settings = $this->get_settings_for_display();
 		$video_url = $settings['video']['url'];
 
@@ -219,7 +219,7 @@ class Elementor_Test_Widget extends \Elementor\Widget_Base {
 		<?php
 	}
 
-	protected function content_template() {
+	protected function content_template(): void {
 		?>
 		<#
 		const video_url = settings.video.url;
@@ -241,7 +241,7 @@ Add a PDF file:
 <?php
 class Elementor_Test_Widget extends \Elementor\Widget_Base {
 
-	protected function register_controls() {
+	protected function register_controls(): void {
 
 		$this->start_controls_section(
 			'content_section',
@@ -264,7 +264,7 @@ class Elementor_Test_Widget extends \Elementor\Widget_Base {
 
 	}
 
-	protected function render() {
+	protected function render(): void {
 		$settings = $this->get_settings_for_display();
 		$pdf_url = $settings['pdf']['url'];
 
@@ -278,7 +278,7 @@ class Elementor_Test_Widget extends \Elementor\Widget_Base {
 		<?php
 	}
 
-	protected function content_template() {
+	protected function content_template(): void {
 		?>
 		<#
 		const pdf_url = settings.pdf.url;
diff --git a/src/editor-controls/control-notice.md b/src/editor-controls/control-notice.md
index 31506a76..c3ea79be 100644
--- a/src/editor-controls/control-notice.md
+++ b/src/editor-controls/control-notice.md
@@ -73,7 +73,7 @@ This control does not return any value.
 <?php
 class Elementor_Test_Widget extends \Elementor\Widget_Base {
 
-	protected function register_controls() {
+	protected function register_controls(): void {
 
 		$this->start_controls_section(
 			'content_section',
diff --git a/src/editor-controls/control-number.md b/src/editor-controls/control-number.md
index bf0480c1..0a347531 100644
--- a/src/editor-controls/control-number.md
+++ b/src/editor-controls/control-number.md
@@ -107,7 +107,7 @@ When using this control, the `type` should be set to `\Elementor\Controls_Manage
 <?php
 class Elementor_Test_Widget extends \Elementor\Widget_Base {
 
-	protected function register_controls() {
+	protected function register_controls(): void {
 
 		$this->start_controls_section(
 			'content_section',
@@ -133,7 +133,7 @@ class Elementor_Test_Widget extends \Elementor\Widget_Base {
 
 	}
 
-	protected function render() {
+	protected function render(): void {
 		$settings = $this->get_settings_for_display();
 
 		if ( empty( $settings['price'] ) ) {
@@ -146,7 +146,7 @@ class Elementor_Test_Widget extends \Elementor\Widget_Base {
 		<?php
 	}
 
-	protected function content_template() {
+	protected function content_template(): void {
 		?>
 		<#
 		if ( '' === settings.price ) {
diff --git a/src/editor-controls/control-popover-toggle.md b/src/editor-controls/control-popover-toggle.md
index d2d0d366..4715d0b5 100644
--- a/src/editor-controls/control-popover-toggle.md
+++ b/src/editor-controls/control-popover-toggle.md
@@ -97,7 +97,7 @@ When using this control, the `type` should be set to `\Elementor\Controls_Manage
 <?php
 class Elementor_Test_Widget extends \Elementor\Widget_Base {
 
-	protected function register_controls() {
+	protected function register_controls(): void {
 
 		$this->start_controls_section(
 			'style_section',
diff --git a/src/editor-controls/control-popovers.md b/src/editor-controls/control-popovers.md
index 9871bc75..9aee375a 100644
--- a/src/editor-controls/control-popovers.md
+++ b/src/editor-controls/control-popovers.md
@@ -49,7 +49,7 @@ In the example below, we'll group controls into two popovers - "Normal" tab and
 ```php {13-22,24,32}
 class Elementor_Test_Widget extends \Elementor\Widget_Base {
 
-	protected function register_controls() {
+	protected function register_controls(): void {
 
 		$this->start_controls_section(
 			'style_section',
diff --git a/src/editor-controls/control-raw-html.md b/src/editor-controls/control-raw-html.md
index df13d09d..36c44283 100644
--- a/src/editor-controls/control-raw-html.md
+++ b/src/editor-controls/control-raw-html.md
@@ -81,7 +81,7 @@ This control does not return any value.
 <?php
 class Elementor_Test_Widget extends \Elementor\Widget_Base {
 
-	protected function register_controls() {
+	protected function register_controls(): void {
 
 		$this->start_controls_section(
 			'content_section',
diff --git a/src/editor-controls/control-repeater.md b/src/editor-controls/control-repeater.md
index 0a06b7f7..20b74d96 100644
--- a/src/editor-controls/control-repeater.md
+++ b/src/editor-controls/control-repeater.md
@@ -97,7 +97,7 @@ Usage example with `fields` array:
 <?php
 class Elementor_Test_Widget extends \Elementor\Widget_Base {
 
-	protected function register_controls() {
+	protected function register_controls(): void {
 
 		$this->start_controls_section(
 			'content_section',
@@ -154,7 +154,7 @@ class Elementor_Test_Widget extends \Elementor\Widget_Base {
 
 	}
 
-	protected function render() {
+	protected function render(): void {
 		$settings = $this->get_settings_for_display();
 
 		if ( $settings['list'] ) {
@@ -167,7 +167,7 @@ class Elementor_Test_Widget extends \Elementor\Widget_Base {
 		}
 	}
 
-	protected function content_template() {
+	protected function content_template(): void {
 		?>
 		<# if ( settings.list.length ) { #>
 			<dl>
@@ -189,7 +189,7 @@ Usage example with `Repeater()` class:
 <?php
 class Elementor_Test_Widget extends \Elementor\Widget_Base {
 
-	protected function register_controls() {
+	protected function register_controls(): void {
 
 		$this->start_controls_section(
 			'content_section',
@@ -256,7 +256,7 @@ class Elementor_Test_Widget extends \Elementor\Widget_Base {
 
 	}
 
-	protected function render() {
+	protected function render(): void {
 		$settings = $this->get_settings_for_display();
 
 		if ( $settings['list'] ) {
@@ -269,7 +269,7 @@ class Elementor_Test_Widget extends \Elementor\Widget_Base {
 		}
 	}
 
-	protected function content_template() {
+	protected function content_template(): void {
 		?>
 		<# if ( settings.list.length ) { #>
 			<dl>
diff --git a/src/editor-controls/control-section.md b/src/editor-controls/control-section.md
index 4a948641..a51d2a48 100644
--- a/src/editor-controls/control-section.md
+++ b/src/editor-controls/control-section.md
@@ -41,7 +41,7 @@ The example below creates a single section which will be part of the "**Content*
 ```php {5-11,19}
 class Elementor_Test_Widget extends \Elementor\Widget_Base {
 
-	protected function register_controls() {
+	protected function register_controls(): void {
 
 		$this->start_controls_section(
 			'content_section',
@@ -75,7 +75,7 @@ Now let's create multiple control sections for the "**Content**" tab:
 ```php {5-11,19,21-27,35}
 class Elementor_Test_Widget extends \Elementor\Widget_Base {
 
-	protected function register_controls() {
+	protected function register_controls(): void {
 
 		$this->start_controls_section(
 			'content_section',
@@ -127,7 +127,7 @@ Elementor has a predefined list of tabs that you can use, but with widgets the c
 ```php {5-11,19,21-27,35,37-43,51}
 class Elementor_Test_Widget extends \Elementor\Widget_Base {
 
-	protected function register_controls() {
+	protected function register_controls(): void {
 
 		$this->start_controls_section(
 			'content_section',
diff --git a/src/editor-controls/control-select.md b/src/editor-controls/control-select.md
index 2c7f343a..9091fb70 100644
--- a/src/editor-controls/control-select.md
+++ b/src/editor-controls/control-select.md
@@ -83,7 +83,7 @@ When using this control, the `type` should be set to `\Elementor\Controls_Manage
 <?php
 class Elementor_Test_Widget extends \Elementor\Widget_Base {
 
-	protected function register_controls() {
+	protected function register_controls(): void {
 
 		$this->start_controls_section(
 			'style_section',
@@ -117,7 +117,7 @@ class Elementor_Test_Widget extends \Elementor\Widget_Base {
 
 	}
 
-	protected function render() {
+	protected function render(): void {
 		$settings = $this->get_settings_for_display();
 		?>
 		<div class="your-class">
@@ -126,7 +126,7 @@ class Elementor_Test_Widget extends \Elementor\Widget_Base {
 		<?php
 	}
 
-	protected function content_template() {
+	protected function content_template(): void {
 		?>
 		<div class="your-class">
 			...
diff --git a/src/editor-controls/control-select2.md b/src/editor-controls/control-select2.md
index c86d7921..7eb03ad9 100644
--- a/src/editor-controls/control-select2.md
+++ b/src/editor-controls/control-select2.md
@@ -89,7 +89,7 @@ When using this control, the `type` should be set to `\Elementor\Controls_Manage
 <?php
 class Elementor_Test_Widget extends \Elementor\Widget_Base {
 
-	protected function register_controls() {
+	protected function register_controls(): void {
 
 		$this->start_controls_section(
 			'content_section',
@@ -119,7 +119,7 @@ class Elementor_Test_Widget extends \Elementor\Widget_Base {
 
 	}
 
-	protected function render() {
+	protected function render(): void {
 		$settings = $this->get_settings_for_display();
 		if ( $settings['list'] ) {
 			echo '<ul>';
@@ -130,7 +130,7 @@ class Elementor_Test_Widget extends \Elementor\Widget_Base {
 		}
 	}
 
-	protected function content_template() {
+	protected function content_template(): void {
 		?>
 		<# if ( settings.list.length ) { #>
 			<ul>
diff --git a/src/editor-controls/control-slider.md b/src/editor-controls/control-slider.md
index c23ab9d6..9691fe16 100644
--- a/src/editor-controls/control-slider.md
+++ b/src/editor-controls/control-slider.md
@@ -114,7 +114,7 @@ When using this control, the `type` should be set to `\Elementor\Controls_Manage
 <?php
 class Elementor_Test_Widget extends \Elementor\Widget_Base {
 
-	protected function register_controls() {
+	protected function register_controls(): void {
 
 		$this->start_controls_section(
 			'content_section',
@@ -155,7 +155,7 @@ class Elementor_Test_Widget extends \Elementor\Widget_Base {
 
 	}
 
-	protected function render() {
+	protected function render(): void {
 		$settings = $this->get_settings_for_display();
 		?>
 		<div class="your-class">
@@ -164,7 +164,7 @@ class Elementor_Test_Widget extends \Elementor\Widget_Base {
 		<?php
 	}
 
-	protected function content_template() {
+	protected function content_template(): void {
 		?>
 		<div class="your-class">
 			...
diff --git a/src/editor-controls/control-switcher.md b/src/editor-controls/control-switcher.md
index b416c50e..a16cfdbd 100644
--- a/src/editor-controls/control-switcher.md
+++ b/src/editor-controls/control-switcher.md
@@ -97,7 +97,7 @@ When using this control, the `type` should be set to `\Elementor\Controls_Manage
 <?php
 class Elementor_Test_Widget extends \Elementor\Widget_Base {
 
-	protected function register_controls() {
+	protected function register_controls(): void {
 
 		$this->start_controls_section(
 			'content_section',
@@ -132,14 +132,14 @@ class Elementor_Test_Widget extends \Elementor\Widget_Base {
 
 	}
 
-	protected function render() {
+	protected function render(): void {
 		$settings = $this->get_settings_for_display();
 		if ( 'yes' === $settings['show_title'] ) {
 			echo '<h2>' . $settings['title'] . '</h2>';
 		}
 	}
 
-	protected function content_template() {
+	protected function content_template(): void {
 		?>
 		<# if ( 'yes' === settings.show_title ) { #>
 			<h2>{{{ settings.title }}}</h2>
diff --git a/src/editor-controls/control-tabs.md b/src/editor-controls/control-tabs.md
index 42f543f0..124c5876 100644
--- a/src/editor-controls/control-tabs.md
+++ b/src/editor-controls/control-tabs.md
@@ -48,7 +48,7 @@ Let's group controls into two tabs - "Normal" and "Hover":
 ```php {13-15,17-22,30,32-37,45,47}
 class Elementor_Test_Widget extends \Elementor\Widget_Base {
 
-	protected function register_controls() {
+	protected function register_controls(): void {
 
 		$this->start_controls_section(
 			'style_section',
diff --git a/src/editor-controls/control-text-shadow.md b/src/editor-controls/control-text-shadow.md
index e2a4ea18..b9a9c5a2 100644
--- a/src/editor-controls/control-text-shadow.md
+++ b/src/editor-controls/control-text-shadow.md
@@ -35,7 +35,7 @@ When using this control, the `type` should be set to `\Elementor\Controls_Manage
 <?php
 class Elementor_Test_Widget extends \Elementor\Widget_Base {
 
-	protected function register_controls() {
+	protected function register_controls(): void {
 
 		$this->start_controls_section(
 			'content_section',
diff --git a/src/editor-controls/control-text.md b/src/editor-controls/control-text.md
index beccc2f4..bfd3c073 100644
--- a/src/editor-controls/control-text.md
+++ b/src/editor-controls/control-text.md
@@ -103,7 +103,7 @@ When using this control, the `type` should be set to `\Elementor\Controls_Manage
 <?php
 class Elementor_Test_Widget extends \Elementor\Widget_Base {
 
-	protected function register_controls() {
+	protected function register_controls(): void {
 
 		$this->start_controls_section(
 			'content_section',
@@ -127,7 +127,7 @@ class Elementor_Test_Widget extends \Elementor\Widget_Base {
 
 	}
 
-	protected function render() {
+	protected function render(): void {
 		$settings = $this->get_settings_for_display();
 
 		if ( empty( $settings['widget_title'] ) ) {
@@ -140,7 +140,7 @@ class Elementor_Test_Widget extends \Elementor\Widget_Base {
 		<?php
 	}
 
-	protected function content_template() {
+	protected function content_template(): void {
 		?>
 		<#
 		if ( '' === settings.widget_title ) {
diff --git a/src/editor-controls/control-textarea.md b/src/editor-controls/control-textarea.md
index eba39487..b50660d5 100644
--- a/src/editor-controls/control-textarea.md
+++ b/src/editor-controls/control-textarea.md
@@ -89,7 +89,7 @@ When using this control, the `type` should be set to `\Elementor\Controls_Manage
 <?php
 class Elementor_Test_Widget extends \Elementor\Widget_Base {
 
-	protected function register_controls() {
+	protected function register_controls(): void {
 
 		$this->start_controls_section(
 			'content_section',
@@ -114,7 +114,7 @@ class Elementor_Test_Widget extends \Elementor\Widget_Base {
 
 	}
 
-	protected function render() {
+	protected function render(): void {
 		$settings = $this->get_settings_for_display();
 
 		if ( empty( $settings['item_description'] ) ) {
@@ -127,7 +127,7 @@ class Elementor_Test_Widget extends \Elementor\Widget_Base {
 		<?php
 	}
 
-	protected function content_template() {
+	protected function content_template(): void {
 		?>
 		<#
 		if ( '' === settings.item_description ) {
diff --git a/src/editor-controls/control-url.md b/src/editor-controls/control-url.md
index 655b328f..3f9dff7e 100644
--- a/src/editor-controls/control-url.md
+++ b/src/editor-controls/control-url.md
@@ -119,7 +119,7 @@ When using this control, the `type` should be set to `\Elementor\Controls_Manage
 <?php
 class Elementor_Test_Widget extends \Elementor\Widget_Base {
 
-	protected function register_controls() {
+	protected function register_controls(): void {
 
 		$this->start_controls_section(
 			'content_section',
@@ -149,7 +149,7 @@ class Elementor_Test_Widget extends \Elementor\Widget_Base {
 
 	}
 
-	protected function render() {
+	protected function render(): void {
 		$settings = $this->get_settings_for_display();
 		if ( ! empty( $settings['website_link']['url'] ) ) {
 			$this->add_link_attributes( 'website_link', $settings['website_link'] );
@@ -161,7 +161,7 @@ class Elementor_Test_Widget extends \Elementor\Widget_Base {
 		<?php
 	}
 
-	protected function content_template() {
+	protected function content_template(): void {
 		?>
 		<a href="{{ settings.website_link.url }}">
 			...
diff --git a/src/editor-controls/control-wysiwyg.md b/src/editor-controls/control-wysiwyg.md
index 51eef561..17196f90 100644
--- a/src/editor-controls/control-wysiwyg.md
+++ b/src/editor-controls/control-wysiwyg.md
@@ -77,7 +77,7 @@ When using this control, the `type` should be set to `\Elementor\Controls_Manage
 <?php
 class Elementor_Test_Widget extends \Elementor\Widget_Base {
 
-	protected function register_controls() {
+	protected function register_controls(): void {
 
 		$this->start_controls_section(
 			'content_section',
@@ -101,7 +101,7 @@ class Elementor_Test_Widget extends \Elementor\Widget_Base {
 
 	}
 
-	protected function render() {
+	protected function render(): void {
 		$settings = $this->get_settings_for_display();
 
 		if ( empty( $settings['item_description'] ) ) {
@@ -115,7 +115,7 @@ class Elementor_Test_Widget extends \Elementor\Widget_Base {
 
 	}
 
-	protected function content_template() {
+	protected function content_template(): void {
 		?>
 		<#
 		if ( '' === settings.item_description ) {
diff --git a/src/editor-controls/frontend-available.md b/src/editor-controls/frontend-available.md
index e5f80563..3c215cbc 100644
--- a/src/editor-controls/frontend-available.md
+++ b/src/editor-controls/frontend-available.md
@@ -79,7 +79,7 @@ class Elementor_Test_Widget extends \Elementor\Widget_Base {
 	 * @access public
 	 * @return string Widget name.
 	 */
-	public function get_name() {
+	public function get_name(): string {
 		return 'test_widget';
 	}
 
@@ -92,7 +92,7 @@ class Elementor_Test_Widget extends \Elementor\Widget_Base {
 	 * @access public
 	 * @return string Widget title.
 	 */
-	public function get_title() {
+	public function get_title(): string {
 		return esc_html__( 'Test Widget', 'textdomain' );
 	}
 
@@ -105,7 +105,7 @@ class Elementor_Test_Widget extends \Elementor\Widget_Base {
 	 * @access public
 	 * @return array Element scripts dependencies.
 	 */
-	public function get_script_depends() {
+	public function get_script_depends(): array {
 		return [ 'test-widget-handler' ];
 	}
 
@@ -117,7 +117,7 @@ class Elementor_Test_Widget extends \Elementor\Widget_Base {
 	 * @since 1.0.0
 	 * @access protected
 	 */
-	protected function register_controls() {
+	protected function register_controls(): void {
 
 		$this->start_controls_section(
 			'content_section',
@@ -149,7 +149,7 @@ class Elementor_Test_Widget extends \Elementor\Widget_Base {
 	 * @since 1.0.0
 	 * @access protected
 	 */
-	protected function render() {
+	protected function render(): void {
 		?>
 		<div class="test-widget"></div>
 		<?php
@@ -163,7 +163,7 @@ class Elementor_Test_Widget extends \Elementor\Widget_Base {
 	 * @since 1.0.0
 	 * @access protected
 	 */
-	protected function content_template() {
+	protected function content_template(): void {
 		?>
 		<div class="test-widget"></div>
 		<?php
diff --git a/src/editor-controls/group-control-background.md b/src/editor-controls/group-control-background.md
index ca290823..3950bd3f 100644
--- a/src/editor-controls/group-control-background.md
+++ b/src/editor-controls/group-control-background.md
@@ -63,7 +63,7 @@ When using this group control, the `type` should be set to `Group_Control_Backgr
 <?php
 class Elementor_Test_Widget extends \Elementor\Widget_Base {
 
-	protected function register_controls() {
+	protected function register_controls(): void {
 
 		$this->start_controls_section(
 			'content_section',
@@ -86,7 +86,7 @@ class Elementor_Test_Widget extends \Elementor\Widget_Base {
 
 	}
 
-	protected function render() {
+	protected function render(): void {
 		$settings = $this->get_settings_for_display();
 		?>
 		<div class="your-class">
@@ -95,7 +95,7 @@ class Elementor_Test_Widget extends \Elementor\Widget_Base {
 		<?php
 	}
 
-	protected function content_template() {
+	protected function content_template(): void {
 		?>
 		<div class="your-class">
 			...
diff --git a/src/editor-controls/group-control-border.md b/src/editor-controls/group-control-border.md
index d6d9d684..a5c6a252 100644
--- a/src/editor-controls/group-control-border.md
+++ b/src/editor-controls/group-control-border.md
@@ -51,7 +51,7 @@ When using this group control, the `type` should be set to `Group_Control_Border
 <?php
 class Elementor_Test_Widget extends \Elementor\Widget_Base {
 
-	protected function register_controls() {
+	protected function register_controls(): void {
 
 		$this->start_controls_section(
 			'content_section',
@@ -73,7 +73,7 @@ class Elementor_Test_Widget extends \Elementor\Widget_Base {
 
 	}
 
-	protected function render() {
+	protected function render(): void {
 		$settings = $this->get_settings_for_display();
 		?>
 		<div class="your-class">
@@ -82,7 +82,7 @@ class Elementor_Test_Widget extends \Elementor\Widget_Base {
 		<?php
 	}
 
-	protected function content_template() {
+	protected function content_template(): void {
 		?>
 		<div class="your-class">
 			...
diff --git a/src/editor-controls/group-control-box-shadow.md b/src/editor-controls/group-control-box-shadow.md
index 5b525a0e..196860f7 100644
--- a/src/editor-controls/group-control-box-shadow.md
+++ b/src/editor-controls/group-control-box-shadow.md
@@ -51,7 +51,7 @@ When using this group control, the `type` should be set to `Group_Control_Box_Sh
 <?php
 class Elementor_Test_Widget extends \Elementor\Widget_Base {
 
-	protected function register_controls() {
+	protected function register_controls(): void {
 
 		$this->start_controls_section(
 			'content_section',
@@ -73,7 +73,7 @@ class Elementor_Test_Widget extends \Elementor\Widget_Base {
 
 	}
 
-	protected function render() {
+	protected function render(): void {
 		$settings = $this->get_settings_for_display();
 		?>
 		<div class="your-class">
@@ -82,7 +82,7 @@ class Elementor_Test_Widget extends \Elementor\Widget_Base {
 		<?php
 	}
 
-	protected function content_template() {
+	protected function content_template(): void {
 		?>
 		<div class="your-class">
 			...
diff --git a/src/editor-controls/group-control-css-filter.md b/src/editor-controls/group-control-css-filter.md
index bca92ed7..0463ffbc 100644
--- a/src/editor-controls/group-control-css-filter.md
+++ b/src/editor-controls/group-control-css-filter.md
@@ -51,7 +51,7 @@ When using this group control, the `type` should be set to `Group_Control_Typogr
 <?php
 class Elementor_Test_Widget extends \Elementor\Widget_Base {
 
-	protected function register_controls() {
+	protected function register_controls(): void {
 
 		$this->start_controls_section(
 			'content_section',
@@ -73,7 +73,7 @@ class Elementor_Test_Widget extends \Elementor\Widget_Base {
 
 	}
 
-	protected function render() {
+	protected function render(): void {
 		$settings = $this->get_settings_for_display();
 		?>
 		<div class="your-class">
@@ -82,7 +82,7 @@ class Elementor_Test_Widget extends \Elementor\Widget_Base {
 		<?php
 	}
 
-	protected function content_template() {
+	protected function content_template(): void {
 		?>
 		<div class="your-class">
 			...
diff --git a/src/editor-controls/group-control-image-size.md b/src/editor-controls/group-control-image-size.md
index 129c5903..9fd27e27 100644
--- a/src/editor-controls/group-control-image-size.md
+++ b/src/editor-controls/group-control-image-size.md
@@ -73,7 +73,7 @@ When using this group control, the `type` should be set to `Group_Control_Image_
 <?php
 class Elementor_Test_Widget extends \Elementor\Widget_Base {
 
-	protected function register_controls() {
+	protected function register_controls(): void {
 
 		$this->start_controls_section(
 			'content_section',
@@ -108,12 +108,12 @@ class Elementor_Test_Widget extends \Elementor\Widget_Base {
 
 	}
 
-	protected function render() {
+	protected function render(): void {
 		$settings = $this->get_settings_for_display();
 		echo \Elementor\Group_Control_Image_Size::get_attachment_image_html( $settings, 'thumbnail', 'image' );
 	}
 
-	protected function content_template() {
+	protected function content_template(): void {
 		?>
 		<#
 		const image = {
diff --git a/src/editor-controls/group-control-text-shadow.md b/src/editor-controls/group-control-text-shadow.md
index f6233309..82ae3109 100644
--- a/src/editor-controls/group-control-text-shadow.md
+++ b/src/editor-controls/group-control-text-shadow.md
@@ -51,7 +51,7 @@ When using this group control, the `type` should be set to `Group_Control_Text_S
 <?php
 class Elementor_Test_Widget extends \Elementor\Widget_Base {
 
-	protected function register_controls() {
+	protected function register_controls(): void {
 
 		$this->start_controls_section(
 			'content_section',
@@ -73,7 +73,7 @@ class Elementor_Test_Widget extends \Elementor\Widget_Base {
 
 	}
 
-	protected function render() {
+	protected function render(): void {
 		$settings = $this->get_settings_for_display();
 		?>
 		<div class="your-class">
@@ -82,7 +82,7 @@ class Elementor_Test_Widget extends \Elementor\Widget_Base {
 		<?php
 	}
 
-	protected function content_template() {
+	protected function content_template(): void {
 		?>
 		<div class="your-class">
 			...
diff --git a/src/editor-controls/group-control-text-stroke.md b/src/editor-controls/group-control-text-stroke.md
index 61340197..c4ede0ad 100644
--- a/src/editor-controls/group-control-text-stroke.md
+++ b/src/editor-controls/group-control-text-stroke.md
@@ -51,7 +51,7 @@ When using this group control, the `type` should be set to `Group_Control_Text_S
 <?php
 class Elementor_Test_Widget extends \Elementor\Widget_Base {
 
-	protected function register_controls() {
+	protected function register_controls(): void {
 
 		$this->start_controls_section(
 			'content_section',
@@ -73,7 +73,7 @@ class Elementor_Test_Widget extends \Elementor\Widget_Base {
 
 	}
 
-	protected function render() {
+	protected function render(): void {
 		$settings = $this->get_settings_for_display();
 		?>
 		<div class="your-class">
@@ -82,7 +82,7 @@ class Elementor_Test_Widget extends \Elementor\Widget_Base {
 		<?php
 	}
 
-	protected function content_template() {
+	protected function content_template(): void {
 		?>
 		<div class="your-class">
 			...
diff --git a/src/editor-controls/group-control-typography.md b/src/editor-controls/group-control-typography.md
index 1b569183..4ce6496b 100644
--- a/src/editor-controls/group-control-typography.md
+++ b/src/editor-controls/group-control-typography.md
@@ -51,7 +51,7 @@ When using this group control, the `type` should be set to `Group_Control_Typogr
 <?php
 class Elementor_Test_Widget extends \Elementor\Widget_Base {
 
-	protected function register_controls() {
+	protected function register_controls(): void {
 
 		$this->start_controls_section(
 			'content_section',
@@ -73,7 +73,7 @@ class Elementor_Test_Widget extends \Elementor\Widget_Base {
 
 	}
 
-	protected function render() {
+	protected function render(): void {
 		$settings = $this->get_settings_for_display();
 		?>
 		<div class="your-class">
@@ -82,7 +82,7 @@ class Elementor_Test_Widget extends \Elementor\Widget_Base {
 		<?php
 	}
 
-	protected function content_template() {
+	protected function content_template(): void {
 		?>
 		<div class="your-class">
 			...
diff --git a/src/editor-controls/group-control.md b/src/editor-controls/group-control.md
index 775473b4..56f0257d 100644
--- a/src/editor-controls/group-control.md
+++ b/src/editor-controls/group-control.md
@@ -34,7 +34,7 @@ When adding titles and custom content to Elementor widgets, we need to allow the
 ```php {13-19}
 class Elementor_Test_Widget extends \Elementor\Widget_Base {
 
-	protected function register_controls() {
+	protected function register_controls(): void {
 
 		$this->start_controls_section(
 			'style_section',
@@ -66,7 +66,7 @@ Border control is a bit different from typography control. It is defined in the
 ```php {13-19}
 class Elementor_Test_Widget extends \Elementor\Widget_Base {
 
-	protected function register_controls() {
+	protected function register_controls(): void {
 
 		$this->start_controls_section(
 			'style_section',
diff --git a/src/editor-controls/regular-control.md b/src/editor-controls/regular-control.md
index bdf960d7..ce6988ee 100644
--- a/src/editor-controls/regular-control.md
+++ b/src/editor-controls/regular-control.md
@@ -34,7 +34,7 @@ In the example below, we're going to add a simple text control defined at the `c
 ```php {13-20}
 class Elementor_Test_Widget extends \Elementor\Widget_Base {
 
-	protected function register_controls() {
+	protected function register_controls(): void {
 
 		$this->start_controls_section(
 			'content_section',
@@ -67,7 +67,7 @@ In the example below, we're going to add a simple number control defined at the
 ```php {13-24}
 class Elementor_Test_Widget extends \Elementor\Widget_Base {
 
-	protected function register_controls() {
+	protected function register_controls(): void {
 
 		$this->start_controls_section(
 			'content_section',
@@ -104,7 +104,7 @@ Another simple example is the `Control_Select` class, which will allow users to
 ```php {13-25}
 class Elementor_Test_Widget extends \Elementor\Widget_Base {
 
-	protected function register_controls() {
+	protected function register_controls(): void {
 
 		$this->start_controls_section(
 			'content_section',
@@ -142,7 +142,7 @@ Choose control is an improved version of select control. The `Control_Choose` cl
 ```php {13-34}
 class Elementor_Test_Widget extends \Elementor\Widget_Base {
 
-	protected function register_controls() {
+	protected function register_controls(): void {
 
 		$this->start_controls_section(
 			'content_section',
@@ -189,7 +189,7 @@ Another useful control is the `Control_Slider`, which displays a draggable range
 ```php {13-30}
 class Elementor_Test_Widget extends \Elementor\Widget_Base {
 
-	protected function register_controls() {
+	protected function register_controls(): void {
 
 		$this->start_controls_section(
 			'content_section',
@@ -232,7 +232,7 @@ One of the more more popular controls is `Control_Color`, which lets users choos
 ```php {13-20}
 class Elementor_Test_Widget extends \Elementor\Widget_Base {
 
-	protected function register_controls() {
+	protected function register_controls(): void {
 
 		$this->start_controls_section(
 			'content_section',
@@ -265,7 +265,7 @@ And finally, for advanced users, you can use `Control_Media` to select images fr
 ```php {13-22}
 class Elementor_Test_Widget extends \Elementor\Widget_Base {
 
-	protected function register_controls() {
+	protected function register_controls(): void {
 
 		$this->start_controls_section(
 			'content_section',
diff --git a/src/editor-controls/responsive-control.md b/src/editor-controls/responsive-control.md
index d2558508..5bb04fe3 100644
--- a/src/editor-controls/responsive-control.md
+++ b/src/editor-controls/responsive-control.md
@@ -34,7 +34,7 @@ The regular slider control defined in `Control_Slider` adds a draggable range sl
 ```php {13-41}
 class Elementor_Test_Widget extends \Elementor\Widget_Base {
 
-	protected function register_controls() {
+	protected function register_controls(): void {
 
 		$this->start_controls_section(
 			'style_section',
@@ -88,7 +88,7 @@ Another handy control is the dimensions control, defined in `Control_Dimensions`
 ```php {13-23}
 class Elementor_Test_Widget extends \Elementor\Widget_Base {
 
-	protected function register_controls() {
+	protected function register_controls(): void {
 
 		$this->start_controls_section(
 			'style_section',
@@ -124,7 +124,7 @@ Finally, we are going to use the select/choose control, which is defined in `Con
 ```php {13-35}
 class Elementor_Test_Widget extends \Elementor\Widget_Base {
 
-	protected function register_controls() {
+	protected function register_controls(): void {
 
 		$this->start_controls_section(
 			'style_section',
diff --git a/src/editor-controls/using-controls.md b/src/editor-controls/using-controls.md
index 4ba72690..908879d1 100644
--- a/src/editor-controls/using-controls.md
+++ b/src/editor-controls/using-controls.md
@@ -11,7 +11,7 @@ In your widget class, you can add controls inside the `register_controls()` meth
 ```php
 class Elementor_Test_Widget extends \Elementor\Widget_Base {
 
-	protected function register_controls() {
+	protected function register_controls(): void {
 
 		$this->start_controls_section();
 
diff --git a/src/finder/add-new-finder-items.md b/src/finder/add-new-finder-items.md
index eff2b49f..58d96f90 100644
--- a/src/finder/add-new-finder-items.md
+++ b/src/finder/add-new-finder-items.md
@@ -11,15 +11,15 @@ Finder categories include all the category labels and their items.
 ```php
 class New_Finder_Category extends \Elementor\Core\Common\Modules\Finder\Base_Category {
 
-	public function get_id() {
+	public function get_id(): string {
 		return 'my-category-name';
 	}
 
-	public function get_title() {
+	public function get_title(): string {
 		return esc_html__( 'Category Label', 'textdomain' );
 	}
 
-	public function get_category_items( array $options = [] ) {
+	public function get_category_items( array $options = [] ): array {
 		return [
 			'elementor-website' => [
 				'title' => esc_html__( 'Elementor', 'textdomain' ),
diff --git a/src/finder/advanced-example.md b/src/finder/advanced-example.md
index 1d17c365..39f46bf4 100644
--- a/src/finder/advanced-example.md
+++ b/src/finder/advanced-example.md
@@ -82,7 +82,7 @@ class Elementor_Finder_WordPress_Settings extends \Elementor\Core\Common\Modules
 	 * @access public
 	 * @return string Finder category id.
 	 */
-	public function get_id() {
+	public function get_id(): string {
 		return 'wordpress-settings';
 	}
 
@@ -93,7 +93,7 @@ class Elementor_Finder_WordPress_Settings extends \Elementor\Core\Common\Modules
 	 * @access public
 	 * @return string Finder category title.
 	 */
-	public function get_title() {
+	public function get_title(): string {
 		return esc_html__( 'WordPress Settings', 'elementor-finder-wordpress-settings' );
 	}
 
@@ -105,7 +105,7 @@ class Elementor_Finder_WordPress_Settings extends \Elementor\Core\Common\Modules
 	 * @param array $options
 	 * @return array An array of category items.
 	 */
-	public function get_category_items( array $options = [] ) {
+	public function get_category_items( array $options = [] ): array {
 		return [
 			'general' => [
 				'title' => esc_html__( 'General', 'elementor-finder-wordpress-settings' ),
diff --git a/src/finder/finder-structure.md b/src/finder/finder-structure.md
index 1397b397..430d10b9 100644
--- a/src/finder/finder-structure.md
+++ b/src/finder/finder-structure.md
@@ -20,13 +20,13 @@ The extended class will have the following methods:
 ```php
 class New_Finder_Category extends \Elementor\Core\Common\Modules\Finder\Base_Category {
 
-	public function get_id() {}
+	public function get_id(): string {}
 
-	public function get_title() {}
+	public function get_title(): string {}
 
-	public function get_category_items() {}
+	public function get_category_items(): array {}
 
-	public function is_dynamic() {}
+	public function is_dynamic(): bool {}
 
 }
 ```
diff --git a/src/finder/simple-example.md b/src/finder/simple-example.md
index 0edf6219..30f93fa3 100644
--- a/src/finder/simple-example.md
+++ b/src/finder/simple-example.md
@@ -82,7 +82,7 @@ class Elementor_Finder_Social_Media extends \Elementor\Core\Common\Modules\Finde
 	 * @access public
 	 * @return string Finder category id.
 	 */
-	public function get_id() {
+	public function get_id(): string {
 		return 'social-media';
 	}
 
@@ -93,7 +93,7 @@ class Elementor_Finder_Social_Media extends \Elementor\Core\Common\Modules\Finde
 	 * @access public
 	 * @return string Finder category title.
 	 */
-	public function get_title() {
+	public function get_title(): string {
 		return esc_html__( 'Social Media Websites', 'elementor-finder-social-media' );
 	}
 
@@ -105,7 +105,7 @@ class Elementor_Finder_Social_Media extends \Elementor\Core\Common\Modules\Finde
 	 * @param array $options
 	 * @return array An array of category items.
 	 */
-	public function get_category_items( array $options = [] ) {
+	public function get_category_items( array $options = [] ): array {
 		return [
 			'facebook' => [
 				'title' => esc_html__( 'Facebook', 'elementor-finder-social-media' ),
diff --git a/src/form-actions/action-controls.md b/src/form-actions/action-controls.md
index 9393c9a6..c0436ef1 100644
--- a/src/form-actions/action-controls.md
+++ b/src/form-actions/action-controls.md
@@ -11,7 +11,7 @@ In your action class, you can add controls using the `register_settings_section(
 ```php
 class Elementor_Test_Action extends \ElementorPro\Modules\Forms\Classes\Action_Base {
 
-	protected function register_settings_section( $widget ) {
+	protected function register_settings_section( $widget ): void {
 
 		$widget->start_controls_section();
 
@@ -37,7 +37,7 @@ In the example below, we're going to add a few controls to the widget instance t
 ```php
 class Elementor_Test_Action extends \ElementorPro\Modules\Forms\Classes\Action_Base {
 
-	public function register_settings_section( $widget ) {
+	public function register_settings_section( $widget ): void {
 
 		$widget->start_controls_section(
 			'custom_action_section',
diff --git a/src/form-actions/action-data.md b/src/form-actions/action-data.md
index 4966e8ab..e0adc33f 100644
--- a/src/form-actions/action-data.md
+++ b/src/form-actions/action-data.md
@@ -11,11 +11,11 @@ Action data needs to be "returned" by certain methods. Those methods are simple:
 ```php
 class Elementor_Test_Action extends \ElementorPro\Modules\Forms\Classes\Action_Base {
 
-	public function get_name() {
+	public function get_name(): string {
 		return 'action_name';
 	}
 
-	public function get_label() {
+	public function get_label(): string {
 		return esc_html__( 'My Action Name', 'textdomain' );
 	}
 
diff --git a/src/form-actions/action-on-export.md b/src/form-actions/action-on-export.md
index e2223c06..bed70b7b 100644
--- a/src/form-actions/action-on-export.md
+++ b/src/form-actions/action-on-export.md
@@ -11,7 +11,7 @@ The method that excludes data from the export process is called `on_export()`. T
 ```php
 class Elementor_Test_Action extends \ElementorPro\Modules\Forms\Classes\Action_Base {
 
-	public function on_export( $element ) {
+	public function on_export( $element ): array {
 
 		return $element;
 
@@ -29,7 +29,7 @@ In the following example will register a new section with two controls - an api
 ```php {16,24,35-44}
 class Elementor_Test_Action extends \ElementorPro\Modules\Forms\Classes\Action_Base {
 
-	public function register_settings_section( $widget ) {
+	public function register_settings_section( $widget ): void {
 
 		$widget->start_controls_section(
 			'custom_action_section',
@@ -61,7 +61,7 @@ class Elementor_Test_Action extends \ElementorPro\Modules\Forms\Classes\Action_B
 
 	}
 
-	public function on_export( $element ) {
+	public function on_export( $element ): array {
 
 		unset(
 			$element['custom_action_api_key'],
diff --git a/src/form-actions/action-run.md b/src/form-actions/action-run.md
index 0aca05b9..1fbbf5f1 100644
--- a/src/form-actions/action-run.md
+++ b/src/form-actions/action-run.md
@@ -11,7 +11,7 @@ The method that triggers the action is called `run()`. The method is executed on
 ```php
 class Elementor_Test_Action extends \ElementorPro\Modules\Forms\Classes\Action_Base {
 
-	public function run( $record, $ajax_handler ) {
+	public function run( $record, $ajax_handler ): void {
 
 		// ...
 
@@ -33,7 +33,7 @@ In the example below, we'll send an email each time a form is submitted:
 ```php
 class Elementor_Test_Action extends \ElementorPro\Modules\Forms\Classes\Action_Base {
 
-	public function run( $record, $ajax_handler ) {
+	public function run( $record, $ajax_handler ): void {
 
 		wp_mail( /* ... */ );
 
@@ -49,7 +49,7 @@ In the following example we'll send an HTTP request every time a form is submitt
 ```php
 class Elementor_Test_Action extends \ElementorPro\Modules\Forms\Classes\Action_Base {
 
-	public function run( $record, $ajax_handler ) {
+	public function run( $record, $ajax_handler ): void {
 
 		wp_remote_post( /* ... */ )
 
@@ -65,7 +65,7 @@ Another use case is to create WordPress CPTs after every form submission:
 ```php
 class Elementor_Test_Action extends \ElementorPro\Modules\Forms\Classes\Action_Base {
 
-	public function run( $record, $ajax_handler ) {
+	public function run( $record, $ajax_handler ): void {
 
 		wp_insert_post( /* ... */ );
 
diff --git a/src/form-actions/action-structure.md b/src/form-actions/action-structure.md
index 9c02f1d5..de5fb660 100644
--- a/src/form-actions/action-structure.md
+++ b/src/form-actions/action-structure.md
@@ -22,15 +22,15 @@ As mentioned above, an Elementor Form Action extends the `\ElementorPro\Modules\
 ```php
 class Elementor_Test_Action extends \ElementorPro\Modules\Forms\Classes\Action_Base {
 
-	public function get_name() {}
+	public function get_name(): string {}
 
-	public function get_label() {}
+	public function get_label(): string {}
 
-	public function register_settings_section( $widget ) {}
+	public function register_settings_section( $widget ): void {}
 
-	public function run( $record, $ajax_handler ) {}
+	public function run( $record, $ajax_handler ): void {}
 
-	public function on_export( $element ) {}
+	public function on_export( $element ): array {}
 
 }
 ```
diff --git a/src/form-actions/advanced-example.md b/src/form-actions/advanced-example.md
index d3d13e3b..59c36af1 100644
--- a/src/form-actions/advanced-example.md
+++ b/src/form-actions/advanced-example.md
@@ -84,7 +84,7 @@ class Sendy_Action_After_Submit extends \ElementorPro\Modules\Forms\Classes\Acti
 	 * @access public
 	 * @return string
 	 */
-	public function get_name() {
+	public function get_name(): string {
 		return 'sendy';
 	}
 
@@ -97,7 +97,7 @@ class Sendy_Action_After_Submit extends \ElementorPro\Modules\Forms\Classes\Acti
 	 * @access public
 	 * @return string
 	 */
-	public function get_label() {
+	public function get_label(): string {
 		return esc_html__( 'Sendy', 'elementor-forms-sendy-action' );
 	}
 
@@ -110,7 +110,7 @@ class Sendy_Action_After_Submit extends \ElementorPro\Modules\Forms\Classes\Acti
 	 * @access public
 	 * @param \Elementor\Widget_Base $widget
 	 */
-	public function register_settings_section( $widget ) {
+	public function register_settings_section( $widget ): void {
 
 		$widget->start_controls_section(
 			'section_sendy',
@@ -171,7 +171,7 @@ class Sendy_Action_After_Submit extends \ElementorPro\Modules\Forms\Classes\Acti
 	 * @param \ElementorPro\Modules\Forms\Classes\Form_Record  $record
 	 * @param \ElementorPro\Modules\Forms\Classes\Ajax_Handler $ajax_handler
 	 */
-	public function run( $record, $ajax_handler ) {
+	public function run( $record, $ajax_handler ): void {
 
 		$settings = $record->get( 'form_settings' );
 
@@ -236,7 +236,7 @@ class Sendy_Action_After_Submit extends \ElementorPro\Modules\Forms\Classes\Acti
 	 * @access public
 	 * @param array $element
 	 */
-	public function on_export( $element ) {
+	public function on_export( $element ): array {
 
 		unset(
 			$element['sendy_url'],
diff --git a/src/form-actions/simple-example.md b/src/form-actions/simple-example.md
index e6a30191..394a4acc 100644
--- a/src/form-actions/simple-example.md
+++ b/src/form-actions/simple-example.md
@@ -85,7 +85,7 @@ class Ping_Action_After_Submit extends \ElementorPro\Modules\Forms\Classes\Actio
 	 * @access public
 	 * @return string
 	 */
-	public function get_name() {
+	public function get_name(): string {
 		return 'ping';
 	}
 
@@ -98,7 +98,7 @@ class Ping_Action_After_Submit extends \ElementorPro\Modules\Forms\Classes\Actio
 	 * @access public
 	 * @return string
 	 */
-	public function get_label() {
+	public function get_label(): string {
 		return esc_html__( 'Ping', 'elementor-forms-ping-action' );
 	}
 
@@ -112,7 +112,7 @@ class Ping_Action_After_Submit extends \ElementorPro\Modules\Forms\Classes\Actio
 	 * @param \ElementorPro\Modules\Forms\Classes\Form_Record  $record
 	 * @param \ElementorPro\Modules\Forms\Classes\Ajax_Handler $ajax_handler
 	 */
-	public function run( $record, $ajax_handler ) {
+	public function run( $record, $ajax_handler ): void {
 
 		wp_remote_post(
 			'https://api.example.com/',
@@ -141,7 +141,7 @@ class Ping_Action_After_Submit extends \ElementorPro\Modules\Forms\Classes\Actio
 	 * @access public
 	 * @param \Elementor\Widget_Base $widget
 	 */
-	public function register_settings_section( $widget ) {}
+	public function register_settings_section( $widget ): void {}
 
 	/**
 	 * On export.
@@ -152,7 +152,7 @@ class Ping_Action_After_Submit extends \ElementorPro\Modules\Forms\Classes\Actio
 	 * @access public
 	 * @param array $element
 	 */
-	public function on_export( $element ) {}
+	public function on_export( $element ): array {}
 
 }
 ```
diff --git a/src/form-fields/advanced-example.md b/src/form-fields/advanced-example.md
index e7e7b3a5..0bff0a19 100644
--- a/src/form-fields/advanced-example.md
+++ b/src/form-fields/advanced-example.md
@@ -84,7 +84,7 @@ class Elementor_Credit_Card_Number_Field extends \ElementorPro\Modules\Forms\Fie
 	 * @access public
 	 * @return string Field type.
 	 */
-	public function get_type() {
+	public function get_type(): string {
 		return 'credit-card-number';
 	}
 
@@ -97,7 +97,7 @@ class Elementor_Credit_Card_Number_Field extends \ElementorPro\Modules\Forms\Fie
 	 * @access public
 	 * @return string Field name.
 	 */
-	public function get_name() {
+	public function get_name(): string {
 		return esc_html__( 'Credit Card Number', 'elementor-form-credit-card-number-field' );
 	}
 
@@ -113,7 +113,7 @@ class Elementor_Credit_Card_Number_Field extends \ElementorPro\Modules\Forms\Fie
 	 * @param mixed $form
 	 * @return void
 	 */
-	public function render( $item, $item_index, $form ) {
+	public function render( $item, $item_index, $form ): void {
 		$form_id = $form->get_id();
 
 		$form->add_render_attribute(
@@ -145,7 +145,7 @@ class Elementor_Credit_Card_Number_Field extends \ElementorPro\Modules\Forms\Fie
 	 * @param \ElementorPro\Modules\Forms\Classes\Ajax_Handler $ajax_handler
 	 * @return void
 	 */
-	public function validation( $field, $record, $ajax_handler ) {
+	public function validation( $field, $record, $ajax_handler ): void {
 		if ( empty( $field['value'] ) ) {
 			return;
 		}
@@ -168,7 +168,7 @@ class Elementor_Credit_Card_Number_Field extends \ElementorPro\Modules\Forms\Fie
 	 * @param \Elementor\Widget_Base $widget The form widget instance.
 	 * @return void
 	 */
-	public function update_controls( $widget ) {
+	public function update_controls( $widget ): void {
 		$elementor = \ElementorPro\Plugin::elementor();
 
 		$control_data = $elementor->controls_manager->get_control_from_stack( $widget->get_unique_name(), 'form_fields' );
@@ -223,7 +223,7 @@ class Elementor_Credit_Card_Number_Field extends \ElementorPro\Modules\Forms\Fie
 	 * @access public
 	 * @return void
 	 */
-	public function editor_preview_footer() {
+	public function editor_preview_footer(): void {
 		add_action( 'wp_footer', [ $this, 'content_template_script' ] );
 	}
 
@@ -236,7 +236,7 @@ class Elementor_Credit_Card_Number_Field extends \ElementorPro\Modules\Forms\Fie
 	 * @access public
 	 * @return void
 	 */
-	public function content_template_script() {
+	public function content_template_script(): void {
 		?>
 		<script>
 		jQuery( document ).ready( () => {
diff --git a/src/form-fields/field-content-template.md b/src/form-fields/field-content-template.md
index 5dadf7f9..8ea1c809 100644
--- a/src/form-fields/field-content-template.md
+++ b/src/form-fields/field-content-template.md
@@ -17,11 +17,11 @@ class Elementor_Test_Field extends \ElementorPro\Modules\Forms\Fields\Field_Base
 		add_action( 'elementor/preview/init', [ $this, 'editor_preview_footer' ] );
 	}
 
-	public function editor_preview_footer() {
+	public function editor_preview_footer(): void {
 		add_action( 'wp_footer', [ $this, 'content_template_script' ] );
 	}
 
-	public function content_template_script() {
+	public function content_template_script(): void {
 		?>
 		<script>
 		jQuery( document ).ready( () => {
diff --git a/src/form-fields/field-controls.md b/src/form-fields/field-controls.md
index de7298b5..b62b9db0 100644
--- a/src/form-fields/field-controls.md
+++ b/src/form-fields/field-controls.md
@@ -11,7 +11,7 @@ In your field class, you can add controls using the `update_controls()` method a
 ```php
 class Elementor_Test_Field extends \ElementorPro\Modules\Forms\Fields\Field_Base {
 
-	public function update_controls( $widget ) {
+	public function update_controls( $widget ): void {
 
 		/* ... */
 
@@ -29,7 +29,7 @@ In the example below, we're going to add some controls to the widget instance in
 ```php {13-36}
 class Elementor_Test_Field extends \ElementorPro\Modules\Forms\Fields\Field_Base {
 
-	public function update_controls( $widget ) {
+	public function update_controls( $widget ): void {
 
 		$elementor = \ElementorPro\Plugin::elementor();
 
diff --git a/src/form-fields/field-data.md b/src/form-fields/field-data.md
index b1cffa9a..214c1137 100644
--- a/src/form-fields/field-data.md
+++ b/src/form-fields/field-data.md
@@ -11,11 +11,11 @@ Field data needs to be "returned" by certain methods. These methods are simple:
 ```php
 class Elementor_Test_Field extends \ElementorPro\Modules\Forms\Fields\Field_Base {
 
-	public function get_name() {
+	public function get_name(): string {
 		return 'field_name';
 	}
 
-	public function get_label() {
+	public function get_label(): string {
 		return esc_html__( 'My Field Name', 'textdomain' );
 	}
 
diff --git a/src/form-fields/field-dependencies.md b/src/form-fields/field-dependencies.md
index 4c626ce4..aaa0777b 100644
--- a/src/form-fields/field-dependencies.md
+++ b/src/form-fields/field-dependencies.md
@@ -85,11 +85,11 @@ We plan to deprecate the `$depended_scripts` and `$depended_styles` properties,
 ```php
 class Elementor_Test_Field extends \ElementorPro\Modules\Forms\Fields\Field_Base {
 
-	public function get_script_depends() {
+	public function get_script_depends(): array {
 		return [ 'field-script-1', 'field-script-2' ];
 	}
 
-	public function get_style_depends() {
+	public function get_style_depends(): array {
 		return [ 'field-style-1', 'field-style-2' ];
 	}
 
diff --git a/src/form-fields/field-render.md b/src/form-fields/field-render.md
index 2c7eb88e..9072d8a2 100644
--- a/src/form-fields/field-render.md
+++ b/src/form-fields/field-render.md
@@ -11,7 +11,7 @@ The method that actually generates the field output is called `render()`. In you
 ```php
 class Elementor_Test_Field extends \ElementorPro\Modules\Forms\Fields\Field_Base {
 
-	public function render( $item, $item_index, $form ) {
+	public function render( $item, $item_index, $form ): void {
 
 		echo '<input type="text" class="elementor-test-field" title="Some text...">';
 
@@ -29,7 +29,7 @@ To add attributes "the Elementor way", you should not hardcode the HTML elements
 ```php
 class Elementor_Test_Field extends \ElementorPro\Modules\Forms\Fields\Field_Base {
 
-	public function render( $item, $item_index, $form ) {
+	public function render( $item, $item_index, $form ): void {
 		$form->add_render_attribute(
 			'input' . $item_index,
 			[
@@ -52,7 +52,7 @@ Some fields have [custom controls](./field-controls/) that allow the user to cus
 ```php
 class Elementor_Test_Field extends \ElementorPro\Modules\Forms\Fields\Field_Base {
 
-	public function render( $item, $item_index, $form ) {
+	public function render( $item, $item_index, $form ): void {
 		$form->add_render_attribute(
 			'textarea' . $item_index,
 			[
diff --git a/src/form-fields/field-structure.md b/src/form-fields/field-structure.md
index cf51a15e..27dca3f3 100644
--- a/src/form-fields/field-structure.md
+++ b/src/form-fields/field-structure.md
@@ -24,15 +24,15 @@ class Elementor_Test_Field extends \ElementorPro\Modules\Forms\Fields\Field_Base
 
 	public $depended_styles = [];
 
-	public function get_type() {}
+	public function get_type(): string {}
 
-	public function get_name() {}
+	public function get_name(): string {}
 
-	public function render( $item, $item_index, $form ) {}
+	public function render( $item, $item_index, $form ): void {}
 
-	public function validation( $field, $record, $ajax_handler ) {}
+	public function validation( $field, $record, $ajax_handler ): void {}
 
-	public function update_controls( $widget ) {}
+	public function update_controls( $widget ): void {}
 
 }
 ```
diff --git a/src/form-fields/field-validation.md b/src/form-fields/field-validation.md
index 300c7369..32c0c256 100644
--- a/src/form-fields/field-validation.md
+++ b/src/form-fields/field-validation.md
@@ -13,7 +13,7 @@ When the form is submitted, Elementor checkes whether all the fields have valid
 ```php
 class Elementor_Test_Field extends \ElementorPro\Modules\Forms\Fields\Field_Base {
 
-	public function validation( $field, $record, $ajax_handler ) {
+	public function validation( $field, $record, $ajax_handler ): void {
 
 		if ( empty( $field['value'] ) ) {
 			return;
@@ -40,7 +40,7 @@ Some fields have [custom controls](./field-controls/) that allow the user to cus
 ```php
 class Elementor_Test_Field extends \ElementorPro\Modules\Forms\Fields\Field_Base {
 
-	public function validation( $field, $record, $ajax_handler ) {
+	public function validation( $field, $record, $ajax_handler ): void {
 
 		if ( empty( $field['value'] ) ) {
 			return;
diff --git a/src/form-fields/simple-example.md b/src/form-fields/simple-example.md
index 9c3546a3..de15e4e4 100644
--- a/src/form-fields/simple-example.md
+++ b/src/form-fields/simple-example.md
@@ -100,7 +100,7 @@ class Elementor_Local_Tel_Field extends \ElementorPro\Modules\Forms\Fields\Field
 	 * @access public
 	 * @return string Field type.
 	 */
-	public function get_type() {
+	public function get_type(): string {
 		return 'local-tel';
 	}
 
@@ -113,7 +113,7 @@ class Elementor_Local_Tel_Field extends \ElementorPro\Modules\Forms\Fields\Field
 	 * @access public
 	 * @return string Field name.
 	 */
-	public function get_name() {
+	public function get_name(): string {
 		return esc_html__( 'Local Tel', 'elementor-form-local-tel-field' );
 	}
 
@@ -129,7 +129,7 @@ class Elementor_Local_Tel_Field extends \ElementorPro\Modules\Forms\Fields\Field
 	 * @param mixed $form
 	 * @return void
 	 */
-	public function render( $item, $item_index, $form ) {
+	public function render( $item, $item_index, $form ): void {
 		$form->add_render_attribute(
 			'input' . $item_index,
 			[
@@ -155,7 +155,7 @@ class Elementor_Local_Tel_Field extends \ElementorPro\Modules\Forms\Fields\Field
 	 * @param \ElementorPro\Modules\Forms\Classes\Ajax_Handler $ajax_handler
 	 * @return void
 	 */
-	public function validation( $field, $record, $ajax_handler ) {
+	public function validation( $field, $record, $ajax_handler ): void {
 		if ( empty( $field['value'] ) ) {
 			return;
 		}
@@ -191,7 +191,7 @@ class Elementor_Local_Tel_Field extends \ElementorPro\Modules\Forms\Fields\Field
 	 * @access public
 	 * @return void
 	 */
-	public function editor_preview_footer() {
+	public function editor_preview_footer(): void {
 		add_action( 'wp_footer', [ $this, 'content_template_script' ] );
 	}
 
@@ -204,7 +204,7 @@ class Elementor_Local_Tel_Field extends \ElementorPro\Modules\Forms\Fields\Field
 	 * @access public
 	 * @return void
 	 */
-	public function content_template_script() {
+	public function content_template_script(): void {
 		?>
 		<script>
 		jQuery( document ).ready( () => {
diff --git a/src/getting-started/first-addon.md b/src/getting-started/first-addon.md
index 5b42aea5..40ed36e7 100644
--- a/src/getting-started/first-addon.md
+++ b/src/getting-started/first-addon.md
@@ -75,33 +75,33 @@ The first widget is `widgets/hello-world-widget-1.php`. It’s quite simple, it
 <?php
 class Elementor_Hello_World_Widget_1 extends \Elementor\Widget_Base {
 
-	public function get_name() {
+	public function get_name(): string {
 		return 'hello_world_widget_1';
 	}
 
-	public function get_title() {
+	public function get_title(): string {
 		return esc_html__( 'Hello World 1', 'elementor-addon' );
 	}
 
-	public function get_icon() {
+	public function get_icon(): string {
 		return 'eicon-code';
 	}
 
-	public function get_categories() {
+	public function get_categories(): array {
 		return [ 'basic' ];
 	}
 
-	public function get_keywords() {
+	public function get_keywords(): array {
 		return [ 'hello', 'world' ];
 	}
 
-	protected function render() {
+	protected function render(): void {
 		?>
 		<p> Hello World </p>
 		<?php
 	}
 
-	protected function content_template() {
+	protected function content_template(): void {
 		?>
 		<p> Hello World </p>
 		<?php
@@ -117,27 +117,27 @@ The second widget is `widgets/hello-world-widget-2.php`. It creates two controls
 <?php
 class Elementor_Hello_World_Widget_2 extends \Elementor\Widget_Base {
 
-	public function get_name() {
+	public function get_name(): string {
 		return 'hello_world_widget_2';
 	}
 
-	public function get_title() {
+	public function get_title(): string {
 		return esc_html__( 'Hello World 2', 'elementor-addon' );
 	}
 
-	public function get_icon() {
+	public function get_icon(): string {
 		return 'eicon-code';
 	}
 
-	public function get_categories() {
+	public function get_categories(): array {
 		return [ 'basic' ];
 	}
 
-	public function get_keywords() {
+	public function get_keywords(): array {
 		return [ 'hello', 'world' ];
 	}
 
-	protected function register_controls() {
+	protected function register_controls(): void {
 
 		// Content Tab Start
 
@@ -190,7 +190,7 @@ class Elementor_Hello_World_Widget_2 extends \Elementor\Widget_Base {
 
 	}
 
-	protected function render() {
+	protected function render(): void {
 		$settings = $this->get_settings_for_display();
 
 		if ( empty( $settings['title'] ) ) {
@@ -203,7 +203,7 @@ class Elementor_Hello_World_Widget_2 extends \Elementor\Widget_Base {
 		<?php
 	}
 
-	protected function content_template() {
+	protected function content_template(): void {
 		?>
 		<#
 		if ( '' === settings.title ) {
diff --git a/src/hooks/widget-categories.md b/src/hooks/widget-categories.md
index b3f32122..8eceffd2 100644
--- a/src/hooks/widget-categories.md
+++ b/src/hooks/widget-categories.md
@@ -11,7 +11,7 @@ We use widget categories while registering new Elementor widgets. By extending t
 ```php {3-5}
 class Elementor_Test_Widget extends \Elementor\Widget_Base {
 
-	public function get_categories() {
+	public function get_categories(): array {
 		return [ 'basic' ];
 	}
 
diff --git a/src/scripts-styles/control-scripts.md b/src/scripts-styles/control-scripts.md
index 832b8360..ceccdffb 100644
--- a/src/scripts-styles/control-scripts.md
+++ b/src/scripts-styles/control-scripts.md
@@ -11,7 +11,7 @@ In the example below, we'll register scripts and enqueue them when creating new
 ```php
 class Elementor_Test_Control extends \Elementor\Base_Control {
 
-	protected function enqueue() {
+	protected function enqueue(): void {
 
 		wp_register_script( 'control-script-1', plugins_url( 'assets/js/control-script-1.js', __FILE__ ) );
 		wp_register_script( 'control-script-2', plugins_url( 'assets/js/control-script-2.js', __FILE__ ), [ 'external-library' ] );
diff --git a/src/scripts-styles/control-styles.md b/src/scripts-styles/control-styles.md
index 4e5d934f..dfb5f20b 100644
--- a/src/scripts-styles/control-styles.md
+++ b/src/scripts-styles/control-styles.md
@@ -11,7 +11,7 @@ In the example below, we'll register stylesheets and enqueue them when creating
 ```php
 class Elementor_Test_Control extends \Elementor\Base_Control {
 
-	protected function enqueue() {
+	protected function enqueue(): void {
 
 		wp_register_style( 'control-style-1', plugins_url( 'assets/css/control-style-1.css', __FILE__ ) );
 		wp_register_style( 'control-style-2', plugins_url( 'assets/css/control-style-2.css', __FILE__ ), [ 'external-framework' ] );
diff --git a/src/scripts-styles/widget-scripts.md b/src/scripts-styles/widget-scripts.md
index a05f08f3..c5806547 100644
--- a/src/scripts-styles/widget-scripts.md
+++ b/src/scripts-styles/widget-scripts.md
@@ -22,7 +22,7 @@ Then, the widget class will set the JS dependencies:
 ```php
 class Elementor_Test_Widget extends \Elementor\Widget_Base {
 
-	public function get_script_depends() {
+	public function get_script_depends(): array {
 		return [ 'widget-script-1', 'widget-script-2' ];
 	}
 
diff --git a/src/scripts-styles/widget-styles.md b/src/scripts-styles/widget-styles.md
index e8aa3d4f..cafbffeb 100644
--- a/src/scripts-styles/widget-styles.md
+++ b/src/scripts-styles/widget-styles.md
@@ -22,7 +22,7 @@ Then, the widget class will set the CSS dependencies:
 ```php
 class Elementor_Test_Widget extends \Elementor\Widget_Base {
 
-	public function get_style_depends() {
+	public function get_style_depends(): array {
 		return [ 'widget-style-1', 'widget-style-2' ];
 	}
 
diff --git a/src/theme-conditions/advanced-example.md b/src/theme-conditions/advanced-example.md
index 6d4f960e..fb8c491f 100644
--- a/src/theme-conditions/advanced-example.md
+++ b/src/theme-conditions/advanced-example.md
@@ -85,7 +85,7 @@ class Logged_In_User_Condition extends \ElementorPro\Modules\ThemeBuilder\Condit
 	 * @access public
 	 * @return string
 	 */
-	public static function get_type() {
+	public static function get_type(): string {
 		return 'general';
 	}
 
@@ -98,7 +98,7 @@ class Logged_In_User_Condition extends \ElementorPro\Modules\ThemeBuilder\Condit
 	 * @access public
 	 * @return string
 	 */
-	public function get_name() {
+	public function get_name(): string {
 		return 'logged_in_user';
 	}
 
@@ -111,7 +111,7 @@ class Logged_In_User_Condition extends \ElementorPro\Modules\ThemeBuilder\Condit
 	 * @access public
 	 * @return string
 	 */
-	public function get_label() {
+	public function get_label(): string {
 		return esc_html__( 'Logged-in User', 'elementor-user-role-conditions' );
 	}
 
@@ -124,7 +124,7 @@ class Logged_In_User_Condition extends \ElementorPro\Modules\ThemeBuilder\Condit
 	 * @access public
 	 * @return string
 	 */
-	public function get_all_label() {
+	public function get_all_label(): string {
 		return esc_html__( 'Any user role', 'elementor-user-role-conditions' );
 	}
 
@@ -137,7 +137,7 @@ class Logged_In_User_Condition extends \ElementorPro\Modules\ThemeBuilder\Condit
 	 * @access public
 	 * @return void
 	 */
-	public function register_sub_conditions() {
+	public function register_sub_conditions(): void {
 		global $wp_roles;
 
 		if ( ! isset( $wp_roles ) ) {
@@ -160,7 +160,7 @@ class Logged_In_User_Condition extends \ElementorPro\Modules\ThemeBuilder\Condit
 	 * @access public
 	 * @return bool
 	 */
-	public function check( $args ) {
+	public function check( $args ): bool {
 		return is_user_logged_in();
 	}
 
@@ -208,7 +208,7 @@ class User_Role_Condition extends \ElementorPro\Modules\ThemeBuilder\Conditions\
 	 * @access public
 	 * @return string
 	 */
-	public static function get_type() {
+	public static function get_type(): string {
 		return 'logged_in_user';
 	}
 
@@ -221,7 +221,7 @@ class User_Role_Condition extends \ElementorPro\Modules\ThemeBuilder\Conditions\
 	 * @access public
 	 * @return string
 	 */
-	public function get_name() {
+	public function get_name(): string {
 		return strtolower( $this->user_role . '_role' );
 	}
 
@@ -234,7 +234,7 @@ class User_Role_Condition extends \ElementorPro\Modules\ThemeBuilder\Conditions\
 	 * @access public
 	 * @return string
 	 */
-	public function get_label() {
+	public function get_label(): string {
 		/* translators: %s: User role label. */
 		return sprintf( esc_html__( '%s role', 'elementor-user-role-conditions' ), $this->user_role );
 	}
@@ -248,7 +248,7 @@ class User_Role_Condition extends \ElementorPro\Modules\ThemeBuilder\Conditions\
 	 * @access public
 	 * @return bool
 	 */
-	public function check( $args ) {
+	public function check( $args ): bool {
 		$current_user = wp_get_current_user();
 		$site_roles = (array) $current_user->roles;
 		return in_array( $this->user_role, $site_roles );
diff --git a/src/theme-conditions/condition-check.md b/src/theme-conditions/condition-check.md
index 2f3a72d9..f68bd831 100644
--- a/src/theme-conditions/condition-check.md
+++ b/src/theme-conditions/condition-check.md
@@ -11,7 +11,7 @@ The method that triggers this condition process is called `check()`. In your con
 ```php
 class Elementor_Test_Condition extends \ElementorPro\Modules\ThemeBuilder\Conditions\Condition_Base {
 
-	public function check( $args ) {
+	public function check( $args ): bool {
 		return true;
 	}
 
@@ -31,7 +31,7 @@ In the example below, we'll check to see if it's a front page:
 ```php
 class Elementor_Test_Condition extends \ElementorPro\Modules\ThemeBuilder\Conditions\Condition_Base {
 
-	public function check( $args ) {
+	public function check( $args ): bool {
 		return is_front_page();
 	}
 
@@ -45,7 +45,7 @@ In the following example we'll check to see if it's a 404 page:
 ```php
 class Elementor_Test_Condition extends \ElementorPro\Modules\ThemeBuilder\Conditions\Condition_Base {
 
-	public function check( $args ) {
+	public function check( $args ): bool {
 		return is_404();
 	}
 
@@ -59,7 +59,7 @@ In this example we'll check to see if it's an embed page:
 ```php
 class Elementor_Test_Condition extends \ElementorPro\Modules\ThemeBuilder\Conditions\Condition_Base {
 
-	public function check( $args ) {
+	public function check( $args ): bool {
 		return is_embed();
 	}
 
@@ -73,7 +73,7 @@ We can use server variables to check and see if the page was accessed with SSL:
 ```php
 class Elementor_Test_Condition extends \ElementorPro\Modules\ThemeBuilder\Conditions\Condition_Base {
 
-	public function check( $args ) {
+	public function check( $args ): bool {
 		return empty( $_SERVER['HTTPS'] );
 	}
 
@@ -87,7 +87,7 @@ We can apply different templates for different browsers by checking the [user's
 ```php
 class Elementor_Test_Condition extends \ElementorPro\Modules\ThemeBuilder\Conditions\Condition_Base {
 
-	public function check( $args ) {
+	public function check( $args ): bool {
 		$browser = get_browser(null, true);
 		$is_firefox = ( $browser['browser'] === 'Firefox' );
 		return $is_firefox;
diff --git a/src/theme-conditions/condition-data.md b/src/theme-conditions/condition-data.md
index c2e86e86..6d17a449 100644
--- a/src/theme-conditions/condition-data.md
+++ b/src/theme-conditions/condition-data.md
@@ -11,11 +11,11 @@ Condition data needs to be "returned" by certain methods. Those methods are simp
 ```php
 class Elementor_Test_Condition extends \ElementorPro\Modules\ThemeBuilder\Conditions\Condition_Base {
 
-	public function get_name() {
+	public function get_name(): string {
 		return 'condition_name';
 	}
 
-	public function get_label() {
+	public function get_label(): string {
 		return esc_html__( 'My Condition Name', 'textdomain' );
 	}
 
diff --git a/src/theme-conditions/condition-group-type.md b/src/theme-conditions/condition-group-type.md
index e98941b1..3ec9cf9a 100644
--- a/src/theme-conditions/condition-group-type.md
+++ b/src/theme-conditions/condition-group-type.md
@@ -11,11 +11,11 @@ Condition group is defined by the following method:
 ```php
 class Elementor_Test_Condition extends \ElementorPro\Modules\ThemeBuilder\Conditions\Condition_Base {
 
-	public static function get_type() {
+	public static function get_type(): string {
 		return 'condition_type';
 	}
 
-	public static function get_priority() {
+	public static function get_priority(): int {
 		return 40;
 	}
 
diff --git a/src/theme-conditions/condition-structure.md b/src/theme-conditions/condition-structure.md
index c406d762..8b189e7c 100644
--- a/src/theme-conditions/condition-structure.md
+++ b/src/theme-conditions/condition-structure.md
@@ -20,19 +20,19 @@ As mentioned above, conditions extend the `\ElementorPro\Modules\ThemeBuilder\Co
 ```php
 class Elementor_Test_Condition extends \ElementorPro\Modules\ThemeBuilder\Conditions\Condition_Base {
 
-	public static function get_type() {}
+	public static function get_type(): string {}
 
-	public function get_priority() {}
+	public function get_priority(): int {}
 
-	public function get_name() {}
+	public function get_name(): string {}
 
-	public function get_label() {}
+	public function get_label(): string {}
 
-	public function get_all_label() {}
+	public function get_all_label(): string {}
 
-	public function register_sub_conditions() {}
+	public function register_sub_conditions(): void {}
 
-	public function check( $args ) {}
+	public function check( $args ): bool {}
 
 }
 ```
@@ -41,7 +41,7 @@ Let’s break it down:
 
 * **Condition Type** – The `get_type()` method returns the condition group type.
 
-* **Condition Priority** – The `get_priority()` method priorotize the condition in a group type.
+* **Condition Priority** – The `get_priority()` method prioritize the condition in a group type.
 
 * **Condition Name** – The `get_name()` method returns the condition name (id) that will be used in the code.
 
diff --git a/src/theme-conditions/simple-example.md b/src/theme-conditions/simple-example.md
index 342bc22a..3bc74a9b 100644
--- a/src/theme-conditions/simple-example.md
+++ b/src/theme-conditions/simple-example.md
@@ -84,7 +84,7 @@ class Logged_In_User_Condition extends \ElementorPro\Modules\ThemeBuilder\Condit
 	 * @access public
 	 * @return string
 	 */
-	public static function get_type() {
+	public static function get_type(): string {
 		return 'general';
 	}
 
@@ -97,7 +97,7 @@ class Logged_In_User_Condition extends \ElementorPro\Modules\ThemeBuilder\Condit
 	 * @access public
 	 * @return string
 	 */
-	public function get_name() {
+	public function get_name(): string {
 		return 'logged_in_user';
 	}
 
@@ -110,7 +110,7 @@ class Logged_In_User_Condition extends \ElementorPro\Modules\ThemeBuilder\Condit
 	 * @access public
 	 * @return string
 	 */
-	public function get_label() {
+	public function get_label(): string {
 		return esc_html__( 'Logged-in user', 'elementor-logged-in-user-condition' );
 	}
 
@@ -123,7 +123,7 @@ class Logged_In_User_Condition extends \ElementorPro\Modules\ThemeBuilder\Condit
 	 * @access public
 	 * @return bool
 	 */
-	public function check( $args ) {
+	public function check( $args ): bool {
 		return is_user_logged_in();
 	}
 
diff --git a/src/theme-conditions/sub-conditions.md b/src/theme-conditions/sub-conditions.md
index 3dae7c9f..17942f20 100644
--- a/src/theme-conditions/sub-conditions.md
+++ b/src/theme-conditions/sub-conditions.md
@@ -11,11 +11,11 @@ When conditions have sub-conditions, the condition class needs to use the follow
 ```php
 class Elementor_Test_Condition extends \ElementorPro\Modules\ThemeBuilder\Conditions\Condition_Base {
 
-	public function get_all_label() {
+	public function get_all_label(): string {
 		return esc_html__( 'All Items', 'textdomain' );
 	}
 
-	public function register_sub_conditions() {
+	public function register_sub_conditions(): void {
 		$this->register_sub_condition( new Elementor_Test_Sub_Condition_1(); );
 		$this->register_sub_condition( new Elementor_Test_Sub_Condition_2(); );
 	}
diff --git a/src/widgets/advanced-example.md b/src/widgets/advanced-example.md
index af192089..3e501afb 100644
--- a/src/widgets/advanced-example.md
+++ b/src/widgets/advanced-example.md
@@ -86,7 +86,7 @@ class Elementor_List_Widget extends \Elementor\Widget_Base {
 	 * @access public
 	 * @return string Widget name.
 	 */
-	public function get_name() {
+	public function get_name(): string {
 		return 'list';
 	}
 
@@ -99,7 +99,7 @@ class Elementor_List_Widget extends \Elementor\Widget_Base {
 	 * @access public
 	 * @return string Widget title.
 	 */
-	public function get_title() {
+	public function get_title(): string {
 		return esc_html__( 'List', 'elementor-list-widget' );
 	}
 
@@ -112,7 +112,7 @@ class Elementor_List_Widget extends \Elementor\Widget_Base {
 	 * @access public
 	 * @return string Widget icon.
 	 */
-	public function get_icon() {
+	public function get_icon(): string {
 		return 'eicon-bullet-list';
 	}
 
@@ -125,7 +125,7 @@ class Elementor_List_Widget extends \Elementor\Widget_Base {
 	 * @access public
 	 * @return array Widget categories.
 	 */
-	public function get_categories() {
+	public function get_categories(): array {
 		return [ 'general' ];
 	}
 
@@ -138,7 +138,7 @@ class Elementor_List_Widget extends \Elementor\Widget_Base {
 	 * @access public
 	 * @return array Widget keywords.
 	 */
-	public function get_keywords() {
+	public function get_keywords(): array {
 		return [ 'list', 'lists', 'ordered', 'unordered' ];
 	}
 
@@ -151,7 +151,7 @@ class Elementor_List_Widget extends \Elementor\Widget_Base {
 	 * @access public
 	 * @return string Widget help URL.
 	 */
-	public function get_custom_help_url() {
+	public function get_custom_help_url(): string {
 		return 'https://developers.elementor.com/docs/widgets/';
 	}
 
@@ -164,7 +164,7 @@ class Elementor_List_Widget extends \Elementor\Widget_Base {
 	 * @access protected
 	 * @return array Widget promotion data.
 	 */
-	protected function get_upsale_data() {
+	protected function get_upsale_data(): array {
 		return [
 			'condition' => true,
 			'image' => esc_url( ELEMENTOR_ASSETS_URL . 'images/go-pro.svg' ),
@@ -184,7 +184,7 @@ class Elementor_List_Widget extends \Elementor\Widget_Base {
 	 * @since 1.0.0
 	 * @access protected
 	 */
-	protected function register_controls() {
+	protected function register_controls(): void {
 
 		$this->start_controls_section(
 			'content_section',
@@ -401,7 +401,7 @@ class Elementor_List_Widget extends \Elementor\Widget_Base {
 	 * @since 1.0.0
 	 * @access protected
 	 */
-	protected function render() {
+	protected function render(): void {
 		$settings = $this->get_settings_for_display();
 		$html_tag = [
 			'ordered' => 'ol',
@@ -445,7 +445,7 @@ class Elementor_List_Widget extends \Elementor\Widget_Base {
 	 * @since 1.0.0
 	 * @access protected
 	 */
-	protected function content_template() {
+	protected function content_template(): void {
 		?>
 		<#
 		html_tag = {
diff --git a/src/widgets/rendering-html-attribute.md b/src/widgets/rendering-html-attribute.md
index 7e825817..399e42b6 100644
--- a/src/widgets/rendering-html-attribute.md
+++ b/src/widgets/rendering-html-attribute.md
@@ -20,7 +20,7 @@ Using the `render()` method, we can add attributes to the HTML tag using `add_re
 
 ```php
 <?php
-protected function render() {
+protected function render(): void {
 	$settings = $this->get_settings_for_display();
 
 	$this->add_render_attribute(
@@ -56,7 +56,7 @@ Using the `content_template()` method, we can add attributes to the HTML tag usi
 
 ```php
 <?php
-protected function content_template() {
+protected function content_template(): void {
 	?>
 	<#
 	view.addRenderAttribute(
diff --git a/src/widgets/rendering-inline-editing.md b/src/widgets/rendering-inline-editing.md
index ae323d83..08543322 100644
--- a/src/widgets/rendering-inline-editing.md
+++ b/src/widgets/rendering-inline-editing.md
@@ -37,12 +37,12 @@ Use the following to add new inline editing attributes:
 <?php
 class Elementor_Test_Widget extends \Elementor\Widget_Base {
 
-	protected function render() {
+	protected function render(): void {
 		$this->add_inline_editing_attributes( 'text', 'advanced' );
 		echo '<div ' . $this->get_render_attribute_string( 'text' ) . '>' . $this->get_settings( 'text' ) . '</div>';
 	}
 
-	protected function content_template() {
+	protected function content_template(): void {
 		?>
 		<# view.addInlineEditingAttributes( 'text', 'advanced' ); #>
 		<div {{{ view.getRenderAttributeString( 'text' ) }}}>{{{ settings.text }}}</div>
@@ -60,7 +60,7 @@ The following is a full example using three controls all having inline support.
 <?php
 class Elementor_Test_Widget extends \Elementor\Widget_Base {
 
-	protected function register_controls() {
+	protected function register_controls(): void {
 
 		$this->start_controls_section(
 			'content_section',
@@ -101,7 +101,7 @@ class Elementor_Test_Widget extends \Elementor\Widget_Base {
 
 	}
 
-	protected function render() {
+	protected function render(): void {
 		$settings = $this->get_settings_for_display();
 
 		$this->add_inline_editing_attributes( 'title', 'none' );
@@ -114,7 +114,7 @@ class Elementor_Test_Widget extends \Elementor\Widget_Base {
 		<?php
 	}
 
-	protected function content_template() {
+	protected function content_template(): void {
 		?>
 		<#
 		view.addInlineEditingAttributes( 'title', 'none' );
diff --git a/src/widgets/rendering-media.md b/src/widgets/rendering-media.md
index 7b6a8489..45f466c6 100644
--- a/src/widgets/rendering-media.md
+++ b/src/widgets/rendering-media.md
@@ -12,7 +12,7 @@ The simplest media rendering method is to print the image URL in a custom `<img>
 <?php
 class Elementor_Test_Widget extends \Elementor\Widget_Base {
 
-	protected function register_controls() {
+	protected function register_controls(): void {
 
 		$this->start_controls_section(
 			'section_content',
@@ -37,7 +37,7 @@ class Elementor_Test_Widget extends \Elementor\Widget_Base {
 
 	}
 
-	protected function render() {
+	protected function render(): void {
 		$settings = $this->get_settings_for_display();
 
 		// Get image url
@@ -47,7 +47,7 @@ class Elementor_Test_Widget extends \Elementor\Widget_Base {
 		echo wp_get_attachment_image( $settings['image']['id'], 'thumbnail' );
 	}
 
-	protected function content_template() {
+	protected function content_template(): void {
 		?>
 		<img src="{{{ settings.image.url }}}">
 		<?php
@@ -64,7 +64,7 @@ The more advanced way to handle images is to combine the `\Elementor\Control_Med
 <?php
 class Elementor_Test_Widget extends \Elementor\Widget_Base {
 
-	protected function register_controls() {
+	protected function register_controls(): void {
 
 		$this->start_controls_section(
 			'section_content',
@@ -97,12 +97,12 @@ class Elementor_Test_Widget extends \Elementor\Widget_Base {
 
 	}
 
-	protected function render() {
+	protected function render(): void {
 		$settings = $this->get_settings_for_display();
 		echo \Elementor\Group_Control_Image_Size::get_attachment_image_html( $settings );
 	}
 
-	protected function content_template() {
+	protected function content_template(): void {
 		?>
 		<#
 		const image = {
diff --git a/src/widgets/rendering-repeaters.md b/src/widgets/rendering-repeaters.md
index 42b3436b..0315694f 100644
--- a/src/widgets/rendering-repeaters.md
+++ b/src/widgets/rendering-repeaters.md
@@ -12,7 +12,7 @@ Use the following to render multiple fields:
 <?php
 class Elementor_Test_Widget extends \Elementor\Widget_Base {
 
-	protected function register_controls() {
+	protected function register_controls(): void {
 
 		$this->start_controls_section(
 			'section_content',
@@ -60,7 +60,7 @@ class Elementor_Test_Widget extends \Elementor\Widget_Base {
 
 	}
 
-	protected function render() {
+	protected function render(): void {
 		$settings = $this->get_settings_for_display();
 
 		if ( ! $settings['list'] ) {
@@ -83,7 +83,7 @@ class Elementor_Test_Widget extends \Elementor\Widget_Base {
 		<?php
 	}
 
-	protected function content_template() {
+	protected function content_template(): void {
 		?>
 		<#
 		if ( ! settings.list.length ) {
diff --git a/src/widgets/rendering-style.md b/src/widgets/rendering-style.md
index 859fcbde..e0d7cc0c 100644
--- a/src/widgets/rendering-style.md
+++ b/src/widgets/rendering-style.md
@@ -12,7 +12,7 @@ Let's say you have a widget with two controls in which users can set a title, an
 <?php
 class Elementor_Test_Widget extends \Elementor\Widget_Base {
 
-	protected function register_controls() {
+	protected function register_controls(): void {
 
 		$this->start_controls_section(
 			'section_content',
@@ -58,7 +58,7 @@ class Elementor_Test_Widget extends \Elementor\Widget_Base {
 
 	}
 
-	protected function render() {
+	protected function render(): void {
 		$settings = $this->get_settings_for_display();
 
 		if ( empty( $settings['title'] ) ) {
@@ -71,7 +71,7 @@ class Elementor_Test_Widget extends \Elementor\Widget_Base {
 		<?php
 	}
 
-	protected function content_template() {
+	protected function content_template(): void {
 		?>
 		<#
 		if ( '' === settings.title ) {
diff --git a/src/widgets/rendering-text.md b/src/widgets/rendering-text.md
index 52b4d2e8..d0287833 100644
--- a/src/widgets/rendering-text.md
+++ b/src/widgets/rendering-text.md
@@ -12,7 +12,7 @@ Let's say you have a widget with a single control in which the users can set a "
 <?php
 class Elementor_Test_Widget extends \Elementor\Widget_Base {
 
-	protected function register_controls() {
+	protected function register_controls(): void {
 
 		$this->start_controls_section(
 			'section_content',
@@ -35,7 +35,7 @@ class Elementor_Test_Widget extends \Elementor\Widget_Base {
 
 	}
 
-	protected function render() {
+	protected function render(): void {
 		$settings = $this->get_settings_for_display();
 
 		if ( empty( $settings['title'] ) ) {
@@ -48,7 +48,7 @@ class Elementor_Test_Widget extends \Elementor\Widget_Base {
 		<?php
 	}
 
-	protected function content_template() {
+	protected function content_template(): void {
 		?>
 		<#
 		if ( '' === settings.title ) {
diff --git a/src/widgets/simple-example.md b/src/widgets/simple-example.md
index bf0b926b..c3a0da43 100644
--- a/src/widgets/simple-example.md
+++ b/src/widgets/simple-example.md
@@ -86,7 +86,7 @@ class Elementor_oEmbed_Widget extends \Elementor\Widget_Base {
 	 * @access public
 	 * @return string Widget name.
 	 */
-	public function get_name() {
+	public function get_name(): string {
 		return 'oembed';
 	}
 
@@ -99,7 +99,7 @@ class Elementor_oEmbed_Widget extends \Elementor\Widget_Base {
 	 * @access public
 	 * @return string Widget title.
 	 */
-	public function get_title() {
+	public function get_title(): string {
 		return esc_html__( 'oEmbed', 'elementor-oembed-widget' );
 	}
 
@@ -112,7 +112,7 @@ class Elementor_oEmbed_Widget extends \Elementor\Widget_Base {
 	 * @access public
 	 * @return string Widget icon.
 	 */
-	public function get_icon() {
+	public function get_icon(): string {
 		return 'eicon-code';
 	}
 
@@ -125,7 +125,7 @@ class Elementor_oEmbed_Widget extends \Elementor\Widget_Base {
 	 * @access public
 	 * @return array Widget categories.
 	 */
-	public function get_categories() {
+	public function get_categories(): array {
 		return [ 'general' ];
 	}
 
@@ -138,7 +138,7 @@ class Elementor_oEmbed_Widget extends \Elementor\Widget_Base {
 	 * @access public
 	 * @return array Widget keywords.
 	 */
-	public function get_keywords() {
+	public function get_keywords(): array {
 		return [ 'oembed', 'url', 'link' ];
 	}
 
@@ -151,7 +151,7 @@ class Elementor_oEmbed_Widget extends \Elementor\Widget_Base {
 	 * @access public
 	 * @return string Widget help URL.
 	 */
-	public function get_custom_help_url() {
+	public function get_custom_help_url(): string {
 		return 'https://developers.elementor.com/docs/widgets/';
 	}
 
@@ -163,7 +163,7 @@ class Elementor_oEmbed_Widget extends \Elementor\Widget_Base {
 	 * @since 1.0.0
 	 * @access protected
 	 */
-	protected function register_controls() {
+	protected function register_controls(): void {
 
 		$this->start_controls_section(
 			'content_section',
@@ -195,7 +195,7 @@ class Elementor_oEmbed_Widget extends \Elementor\Widget_Base {
 	 * @since 1.0.0
 	 * @access protected
 	 */
-	protected function render() {
+	protected function render(): void {
 		$settings = $this->get_settings_for_display();
 
 		if ( empty( $settings['url'] ) ) {
diff --git a/src/widgets/widget-categories.md b/src/widgets/widget-categories.md
index d9fcac05..6fdb8d18 100644
--- a/src/widgets/widget-categories.md
+++ b/src/widgets/widget-categories.md
@@ -19,7 +19,7 @@ To assign the widget to a different category, we need to override this method an
 ```php {3-5}
 class Elementor_Test_Widget extends \Elementor\Widget_Base {
 
-	public function get_categories() {
+	public function get_categories(): array {
 		return [ 'basic' ];
 	}
 
diff --git a/src/widgets/widget-controls.md b/src/widgets/widget-controls.md
index d4b2581b..2c8d4371 100644
--- a/src/widgets/widget-controls.md
+++ b/src/widgets/widget-controls.md
@@ -11,7 +11,7 @@ In your widget class, you can add controls inside the `register_controls()` meth
 ```php
 class Elementor_Test_Widget extends \Elementor\Widget_Base {
 
-	protected function register_controls() {
+	protected function register_controls(): void {
 
 		$this->start_controls_section();
 
@@ -42,7 +42,7 @@ In the example below, we're going to add a few controls to a widget to allow use
 ```php {13-20,22-33,35-47,49-70}
 class Elementor_Test_Widget extends \Elementor\Widget_Base {
 
-	protected function register_controls() {
+	protected function register_controls(): void {
 
 		$this->start_controls_section(
 			'content_section',
diff --git a/src/widgets/widget-data.md b/src/widgets/widget-data.md
index cd1b6cd6..9685776a 100644
--- a/src/widgets/widget-data.md
+++ b/src/widgets/widget-data.md
@@ -11,31 +11,31 @@ Widget data needs to be "returned" by certain methods. Those methods are simple:
 ```php
 class Elementor_Test_Widget extends \Elementor\Widget_Base {
 
-	public function get_name() {
+	public function get_name(): string {
 		return 'widget_name';
 	}
 
-	public function get_title() {
+	public function get_title(): string {
 		return esc_html__( 'My Widget Name', 'textdomain' );
 	}
 
-	public function get_icon() {
+	public function get_icon(): string {
 		return 'eicon-code';
 	}
 
-	public function get_categories() {
+	public function get_categories(): array {
 		return [ 'general' ];
 	}
 
-	public function get_keywords() {
+	public function get_keywords(): array {
 		return [ 'keyword', 'keyword' ];
 	}
 
-	public function get_custom_help_url() {
+	public function get_custom_help_url(): string {
 		return 'https://example.com/widget-name';
 	}
 
-	protected function get_upsale_data() {
+	protected function get_upsale_data(): array {
 		return [];
 	}
 
diff --git a/src/widgets/widget-dependencies.md b/src/widgets/widget-dependencies.md
index 5b456879..e1c033e0 100644
--- a/src/widgets/widget-dependencies.md
+++ b/src/widgets/widget-dependencies.md
@@ -11,11 +11,11 @@ Inside the widget class we can deffine the required JS and CSS dependencies the
 ```php
 class Elementor_Test_Widget extends \Elementor\Widget_Base {
 
-	public function get_script_depends() {
+	public function get_script_depends(): array {
 		return [ 'script-handle' ];
 	}
 
-	public function get_style_depends() {
+	public function get_style_depends(): array {
 		return [ 'style-handle' ];
 	}
 
@@ -81,11 +81,11 @@ Then, each widgets should set its dependencies as follows:
 ```php
 class Elementor_Test_Widget_1 extends \Elementor\Widget_Base {
 
-	public function get_script_depends() {
+	public function get_script_depends(): array {
 		return [ 'external-library' ];
 	}
 
-	public function get_style_depends() {
+	public function get_style_depends(): array {
 		return [ 'external-framework' ];
 	}
 
@@ -95,11 +95,11 @@ class Elementor_Test_Widget_1 extends \Elementor\Widget_Base {
 ```php
 class Elementor_Test_Widget_2 extends \Elementor\Widget_Base {
 
-	public function get_script_depends() {
+	public function get_script_depends(): array {
 		return [ 'widget-script-1', 'widget-script-2' ];
 	}
 
-	public function get_style_depends() {
+	public function get_style_depends(): array {
 		return [ 'widget-style-1', 'widget-style-2' ];
 	}
 
@@ -115,7 +115,7 @@ Widgets can also use scripts registered by Elementor:
 ```php
 class Elementor_Test_Widget extends \Elementor\Widget_Base {
 
-	public function get_script_depends() {
+	public function get_script_depends(): array {
 		return [ 'elementor-frontend' ];
 	}
 
diff --git a/src/widgets/widget-information.md b/src/widgets/widget-information.md
index 94039471..2e6aae01 100644
--- a/src/widgets/widget-information.md
+++ b/src/widgets/widget-information.md
@@ -11,7 +11,7 @@ To set a unique ID for the widget, use the `get_name()` method. This string is u
 ```php
 class Elementor_Test_Widget extends \Elementor\Widget_Base {
 
-	public function get_name() {
+	public function get_name(): string {
 		return 'widget_name';
 	}
 
@@ -25,7 +25,7 @@ Widget title is the label used in the Elementor editor. The end user will see th
 ```php
 class Elementor_Test_Widget extends \Elementor\Widget_Base {
 
-	public function get_title() {
+	public function get_title(): string {
 		return esc_html__( 'My Widget Name', 'textdomain' );
 	}
 
@@ -41,7 +41,7 @@ Widgets can use any [Elementor icons](https://elementor.github.io/elementor-icon
 ```php
 class Elementor_Test_Widget extends \Elementor\Widget_Base {
 
-	public function get_icon() {
+	public function get_icon(): string {
 		return 'eicon-code';
 	}
 
diff --git a/src/widgets/widget-output-caching.md b/src/widgets/widget-output-caching.md
index c2481211..38e85262 100644
--- a/src/widgets/widget-output-caching.md
+++ b/src/widgets/widget-output-caching.md
@@ -63,7 +63,7 @@ class Elementor_Test_Widget extends \Elementor\Widget_Base {
 		return false;
 	}
 
-	protected function register_controls() {
+	protected function register_controls(): void {
 
 		$this->start_controls_section(
 			'section_content',
@@ -86,7 +86,7 @@ class Elementor_Test_Widget extends \Elementor\Widget_Base {
 
 	}
 
-	protected function render() {
+	protected function render(): void {
 		$settings = $this->get_settings_for_display();
 
 		if ( empty( $settings['title'] ) ) {
@@ -99,7 +99,7 @@ class Elementor_Test_Widget extends \Elementor\Widget_Base {
 		<?php
 	}
 
-	protected function content_template() {
+	protected function content_template(): void {
 		?>
 		<#
 		if ( '' === settings.title ) {
@@ -123,7 +123,7 @@ Let's say you have the same widget, but the render function has custom code that
 <?php
 class Elementor_Test_Widget extends \Elementor\Widget_Base {
 
-	protected function register_controls() {
+	protected function register_controls(): void {
 
 		$this->start_controls_section(
 			'section_content',
@@ -146,7 +146,7 @@ class Elementor_Test_Widget extends \Elementor\Widget_Base {
 
 	}
 
-	protected function render() {
+	protected function render(): void {
 		$settings = $this->get_settings_for_display();
 
 		if ( empty( $settings['title'] ) ) {
@@ -163,7 +163,7 @@ class Elementor_Test_Widget extends \Elementor\Widget_Base {
 		<?php
 	}
 
-	protected function content_template() {
+	protected function content_template(): void {
 		?>
 		<#
 		if ( '' === settings.title ) {
diff --git a/src/widgets/widget-promotions.md b/src/widgets/widget-promotions.md
index 1812a594..33ee96cd 100644
--- a/src/widgets/widget-promotions.md
+++ b/src/widgets/widget-promotions.md
@@ -19,7 +19,7 @@ Each widget have the option to set an external link containing general informati
 ```php
 class Elementor_Test_Widget extends \Elementor\Widget_Base {
 
-	public function get_custom_help_url() {
+	public function get_custom_help_url(): string {
 		return 'https://example.com/widget-name';
 	}
 
@@ -33,7 +33,7 @@ Promotions are a way for freemium plugins to offer upsells to upgrade to premium
 ```php
 class Elementor_Test_Widget extends \Elementor\Widget_Base {
 
-	protected function get_upsale_data() {
+	protected function get_upsale_data(): array {
 		return [
 			'condition' => ! \Elementor\Utils::has_pro(),
 			'image' => esc_url( ELEMENTOR_ASSETS_URL . 'images/go-pro.svg' ),
diff --git a/src/widgets/widget-rendering.md b/src/widgets/widget-rendering.md
index f43a18da..2f4592bd 100644
--- a/src/widgets/widget-rendering.md
+++ b/src/widgets/widget-rendering.md
@@ -11,9 +11,9 @@ Elementor has two rendering methods, both rely on the returned values from the c
 ```php
 class Elementor_Test_Widget extends \Elementor\Widget_Base {
 
-	protected function render() {}
+	protected function render(): void {}
 
-	protected function content_template() {}
+	protected function content_template(): void {}
 
 }
 ```
diff --git a/src/widgets/widget-settings.md b/src/widgets/widget-settings.md
index c24928f9..368764a4 100644
--- a/src/widgets/widget-settings.md
+++ b/src/widgets/widget-settings.md
@@ -12,7 +12,7 @@ With JS templates we don’t need to retrieve the data using a special function,
 
 ```php
 <?php
-protected function content_template() {
+protected function content_template(): void {
 	?>
 	<h3 class="{{ settings.class }}">{{{ settings.title }}}</h3>
 	<?php
@@ -29,7 +29,7 @@ Use the following to retrieve data from a single control:
 
 ```php
 <?php
-protected function render() {
+protected function render(): void {
 	?>
 	<h3>
 		<?php echo $this->get_settings_for_display( 'title' ); ?>
@@ -42,7 +42,7 @@ When retrieving data from multiple controls, we can retrieve all the data from a
 
 ```php
 <?php
-protected function render() {
+protected function render(): void {
 	$settings = $this->get_settings_for_display();
 	?>
 	<h3 class="<?php echo esc_attr( $settings['class'] ); ?>">
diff --git a/src/widgets/widget-structure.md b/src/widgets/widget-structure.md
index 7c6eb7f3..6d823bbe 100644
--- a/src/widgets/widget-structure.md
+++ b/src/widgets/widget-structure.md
@@ -22,31 +22,31 @@ A simple widget skeleton class will look as follows:
 ```php
 class Elementor_Test_Widget extends \Elementor\Widget_Base {
 
-	public function get_name() {}
+	public function get_name(): string {}
 
-	public function get_title() {}
+	public function get_title(): string {}
 
-	public function get_icon() {}
+	public function get_icon(): string {}
 
-	public function get_categories() {}
+	public function get_categories(): array {}
 
-	public function get_keywords() {}
+	public function get_keywords(): array {}
 
-	public function get_custom_help_url() {}
+	public function get_custom_help_url(): string {}
 
-	protected function get_upsale_data() {}
+	protected function get_upsale_data(): array {}
 
-	public function get_script_depends() {}
+	public function get_script_depends(): array {}
 
-	public function get_style_depends() {}
+	public function get_style_depends(): array {}
 
-	protected function is_dynamic_content() {}
+	protected function is_dynamic_content(): bool {}
 
-	protected function register_controls() {}
+	protected function register_controls(): void {}
 
-	protected function render() {}
+	protected function render(): void {}
 
-	protected function content_template() {}
+	protected function content_template(): void {}
 
 }
 ```