Improved yii\helpers\Inflector::slug to support more cases for Russian, Hebrew and special characters

framework/CHANGELOG.md

@@ -87,6 +87,7 @@ Yii Framework 2 Change Log
 - Enh: Added support for using path alias with `FileDependency::fileName` (qiangxue)
 - Enh: Added param `hideOnSinglePage` to `yii\widgets\LinkPager` (arturf)
 - Enh: Added support for array attributes in `in` validator (creocoder)
+- Enh: Improved `yii\helpers\Inflector::slug` to support more cases for Russian, Hebrew and special characters (samdark)
 - Chg #2898: `yii\console\controllers\AssetController` is now using hashes instead of timestamps (samdark)
 - Chg #2913: RBAC `DbManager` is now initialized via migration (samdark)
 - Chg #3036: Upgraded Twitter Bootstrap to 3.1.x (qiangxue)

framework/helpers/BaseInflector.php

@@ -467,9 +467,9 @@ class BaseInflector
     public static function slug($string, $replacement = '-', $lowercase = true)
     {
         if (extension_loaded('intl') === true) {
-            $options = 'Any-Latin; NFD; [:Nonspacing Mark:] Remove; NFC; [:Punctuation:] Remove;';
+            $options = 'Any-Latin; NFKD; [:Punctuation:] Remove; [^\u0000-\u007E] Remove';
             $string = transliterator_transliterate($options, $string);
-            $string = preg_replace('/[-\s]+/', $replacement, $string);
+            $string = preg_replace('/[=-\s]+/', $replacement, $string);
         } else {
             $string = str_replace(array_keys(static::$transliteration), static::$transliteration, $string);
             $string = preg_replace('/[^\p{L}\p{Nd}]+/u', $replacement, $string);

tests/unit/framework/helpers/InflectorTest.php

@@ -124,9 +124,21 @@ class InflectorTest extends TestCase
 
     public function testSlug()
     {
-        $this->assertEquals("privet-hello-jii-framework-kak-dela-how-it-goes", Inflector::slug('Привет Hello Йии-- Framework !--- Как дела ? How it goes ?'));
+        $data = [
+            'Привет. Hello, Йии-- Framework !--- Как дела ? How it goes ?' => 'privet-hello-jii-framework-kak-dela-how-it-goes',
+            'this is a title' => 'this-is-a-title',
+            'недвижимость' => 'nedvizimost',
+            'áàâéèêíìîóòôúùûã' => 'aaaeeeiiiooouuua',
+            'Ναδάλης ṃỹṛèşưḿĕ' => 'nadales-myresume',
+            'E=mc²' => 'e-mc2',
+            '載å¥' => 'e14a',
+        ];
 
-        $this->assertEquals("this-is-a-title", Inflector::slug('this is a title'));
+        foreach ($data as $source => $expected) {
+            $this->assertEquals($expected, Inflector::slug($source));
+        }
+
+        //$this->assertEquals('this-is-my-text-', Inflector::slug('! this is my / text $## '));
     }
 
     public function testClassify()