ENH Use symfony/validation logic

src/Tasks/ContentReviewEmails.php

@@ -30,7 +30,7 @@ class ContentReviewEmails extends BuildTask
      */
     public function run($request)
     {
-        if (!$this->isValidEmail($senderEmail = SiteConfig::current_site_config()->ReviewFrom)) {
+        if (!Email::is_valid_address($senderEmail = SiteConfig::current_site_config()->ReviewFrom)) {
             throw new RuntimeException(
                 sprintf(
                     'Provided sender email address is invalid: "%s".',
@@ -116,7 +116,7 @@ protected function notifyOwner($ownerID, SS_List $pages)
         $siteConfig = SiteConfig::current_site_config();
         $owner = Member::get()->byID($ownerID);
 
-        if (!$this->isValidEmail($owner->Email)) {
+        if (!Email::is_valid_address($owner->Email)) {
             $this->invalid_emails[] = $owner->Name . ': ' . $owner->Email;
 
             return;
@@ -188,12 +188,4 @@ protected function getTemplateVariables($recipient, $config, $pages)
             'ToEmail' => $recipient->Email,
         ];
     }
-
-    /**
-     * Check validity of email
-     */
-    protected function isValidEmail(?string $email): bool
-    {
-        return (bool) filter_var($email, FILTER_VALIDATE_EMAIL);
-    }
 }