feat: Slugifier added

composer.json

@@ -16,7 +16,8 @@
         "psr/container": "^1.0"
     },
     "suggest": {
-        "ext-libxml": "TagAndAttributeRemover needs this extention"
+        "ext-libxml": "TagAndAttributeRemover needs this extention",
+        "ext-intl": "Slugify needs this extension"
     },
     "require-dev": {
         "codeception/codeception": "^4.1",
@@ -38,7 +39,6 @@
         }
     },
     "scripts": {
-
         "cs-check": "vendor/bin/phpcs --standard=Doctrine",
         "cs-fix": "vendor/bin/phpcbf --standard=Doctrine"
 

src/Slugifier.php

@@ -0,0 +1,69 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Selami\Stdlib;
+
+use Selami\Stdlib\Exception\InvalidArgumentException;
+use Transliterator;
+
+class Slugifier
+{
+    /**
+     * @var string|array $subject
+     */
+    private $subject;
+
+    private Transliterator $transliterator;
+    /**
+     * @param string|iterable $subject
+     */
+    private function __construct($subject)
+    {
+        $this->subject = $subject;
+        $this->transliterator = Transliterator::create('Any-Latin; Latin-ASCII');
+    }
+    /**
+     * @param mixed<string|iterable> $subject
+     * @return string|iterable<string>
+     */
+    public static function slugify($subject)
+    {
+        return (new self($subject))
+            ->getSlugifiedResult();
+    }
+    /**
+     * @return string|iterable<string>
+     */
+    private function getSlugifiedResult()
+    {
+        if (is_iterable($this->subject)) {
+            return $this->getSlugifiedIterable($this->subject);
+        }
+        return $this->getSlugifiedString($this->subject);
+    }
+
+    private function getSlugifiedString($subject) : string
+    {
+
+        if (!is_string($subject)) {
+            throw new InvalidArgumentException(
+                sprintf('Only string or array of strings accepted but %s given', gettype($subject))
+            );
+        }
+        $stringWithRemovedDiacritics = $this->transliterator->transliterate($subject);
+        $stringWithRemovedWhite = preg_replace(['/\-/','/[\W]+/'], [' ','-'], $stringWithRemovedDiacritics);
+        return strtolower($stringWithRemovedWhite);
+    }
+
+    /**
+     * @param iterable $subject
+     * @return iterable<string>
+     */
+    private function getSlugifiedIterable(iterable $subject) : iterable
+    {
+        foreach ($subject as $item) {
+            yield $this->getSlugifiedString($item);
+        }
+    }
+}

tests/unit/SlugifierTest.php

@@ -0,0 +1,65 @@
+<?php
+
+declare(strict_types=1);
+
+namespace UnitTest;
+
+use Codeception\Test\Unit;
+use Selami\Stdlib\Exception\InvalidArgumentException;
+use Selami\Stdlib\Slugifier;
+
+class SlugifierTest extends Unit
+{
+    protected $tester;
+
+    protected function _before(): void
+    {
+    }
+
+    protected function _after(): void
+    {
+    }
+
+    /**
+     * @test
+     * @dataProvider dataProvider
+     */
+    public function shouldReturnSlugifySuccessfully($subjects, $expected): void
+    {
+        $actual = Slugifier::slugify($subjects);
+        $index  = 0;
+        foreach ($actual as $item) {
+            $this->assertEquals($expected[$index], $item, 'Returning expected slugs failed');
+            $index++;
+        }
+    }
+    /**
+     * @test
+     */
+    public function shouldThrowExceptionForInvalidInput(): void
+    {
+        $this->expectException(InvalidArgumentException::class);
+        Slugifier::slugify(1234);
+    }
+
+    public function dataProvider() : array
+    {
+        return [
+                    [
+                        [
+                            'Meinung: Impfstoff-Mangel für die Ärmsten - eine moralische Bankrotterklärung',
+                            'Türkiye\'nin İstanbul Sözleşmesi serüveni',
+                            'Во Франции прошли протесты против ужесточения мер',
+                            '1234'
+                        ],
+                        [
+                            'meinung-impfstoff-mangel-fur-die-armsten-eine-moralische-bankrotterklarung',
+                            'turkiye-nin-istanbul-sozlesmesi-seruveni',
+                            'vo-francii-prosli-protesty-protiv-uzestocenia-mer',
+                            '1234'
+                        ],
+                    ]
+        ];
+    }
+
+}