Functions may use ' or " as params. Add functions: plural and printf.…

… Tested.

src/Functions/PluralStringEnglish.php

@@ -0,0 +1,26 @@
+<?php
+/**
+ *
+ * PHP version >= 5.6
+ *
+ * @package andydune/string-replace
+ * @link  https://github.com/AndyDune/StringReplace for the canonical source repository
+ * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
+ * @author Andrey Ryzhov  <info@rznw.ru>
+ * @copyright 2018 Andrey Ryzhov
+ */
+
+
+namespace AndyDune\StringReplace\Functions;
+
+
+class PluralStringEnglish
+{
+    public function __invoke($string, $form1 = '', $form2 = '')
+    {
+        $n = (int)$string;
+        if ($n == 1) return $form1;
+        return $form2;
+    }
+
+}

src/Functions/PrintFormatted.php

@@ -0,0 +1,28 @@
+<?php
+/**
+ *
+ * PHP version >= 5.6
+ *
+ * @package andydune/string-replace
+ * @link  https://github.com/AndyDune/StringReplace for the canonical source repository
+ * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
+ * @author Andrey Ryzhov  <info@rznw.ru>
+ * @copyright 2018 Andrey Ryzhov
+ */
+
+
+namespace AndyDune\StringReplace\Functions;
+
+
+class PrintFormatted
+{
+    public function __invoke($string, $format = '')
+    {
+        $string = trim($string);
+        if ($string) {
+            return sprintf($format, $string);
+        }
+        return '';
+    }
+
+}

src/FunctionsHolder.php

@@ -16,6 +16,8 @@
 use AndyDune\StringReplace\Functions\LeaveStringWithLength;
 use AndyDune\StringReplace\Functions\PluralStringRussian;
 use AndyDune\StringReplace\Functions\SetCommaBefore;
+use AndyDune\StringReplace\Functions\PluralStringEnglish;
+use AndyDune\StringReplace\Functions\PrintFormatted;
 use Exception;
 
 class FunctionsHolder
@@ -24,7 +26,9 @@ class FunctionsHolder
         'escape' => EscapeHtmlSpecialChars::class,
         'addcomma' => SetCommaBefore::class,
         'maxlen' => LeaveStringWithLength::class,
-        'pluralrus' => PluralStringRussian::class
+        'pluralrus' => PluralStringRussian::class,
+        'plural' => PluralStringEnglish::class,
+        'printf' => PrintFormatted ::class
     ];
 
     public function executeFunction($name, $arguments)

src/PowerReplace.php

@@ -111,7 +111,12 @@ protected function explode($string, $separator = ',')
         $array = explode($separator, $string);
         array_walk($array, function ($value) use (&$result) {
             $value = trim($value);
-            $value = trim($value, '\'"');
+            if (substr($value, 0, 1) == '"') {
+                $value = trim($value, '"');
+            } else {
+                $value = trim($value, '\'');
+            }
+
             if ($value) {
                 $result[] = $value;
             }

test/StringReplaceTest.php

@@ -144,6 +144,27 @@ public function testPower()
         $instance->count = 21;
         $this->assertEquals('У меня есть 21 яблоко ', $instance->replace($string));
 
+        $string = 'У меня есть #count# #count:pluralrus(\'" яблоко "\', \'" яблока "\', \'" яблок "\')#';
+        $instance = new PowerReplace();
+        $instance->count = 21;
+        $this->assertEquals('У меня есть 21 " яблоко "', $instance->replace($string));
+
+
+        $string = 'I see #count# #count:plural(man, men)#';
+        $instance = new PowerReplace();
+        $instance->count = 1;
+        $this->assertEquals('I see 1 man', $instance->replace($string));
+        $instance->count = 21;
+        $this->assertEquals('I see 21 men', $instance->replace($string));
+
+
+        $string = 'I know words: #it:printf(«%s»):addcomma(1)##and_it:printf(«%s»):addcomma(1)# and #and_it_2:printf(«%s»):addcomma(1, 1)#';
+        $instance = new PowerReplace();
+        $instance->it = 'eat';
+        $instance->and_it_2 = 'sleep';
+        $this->assertEquals('I know words: «eat» and «sleep»', $instance->replace($string));
+
+
     }
 
     public function testPowerAddCustomFunction()