PHP Create slugify URL from All language to English

public Transliterator::transliterate ( string $subject [, int $start [, int $end ]] ) : string|false

In the procedural version, either a Transliterator or a string from which a Transliterator can be built.

The string to be transformed.

The start index (in UTF-16 code units) from which the string will start to be transformed, inclusive. Indexing starts at 0. The text before will be left as is.

The end index (in UTF-16 code units) until which the string will be transformed, exclusive. Indexing starts at 0. The text after will be left as is.

<?php

function slugify($string)
{
    $string = transliterator_transliterate("Any-Latin; Latin-ASCII; [\u0080-\u7fff] remove; Lower();", $string);
    $string = preg_replace('/[-\s]+/', '-', $string);
    return trim($string, '-');
}

echo '/n'.slugify('A æ Übérmensch på høyeste nivå! И я люблю PHP! fi'); 
//out: a-ae-ubermensch-pa-hoyeste-niva!-i-a-lublu-php!-fi


echo '/n'.slugify('وب فارسی در مجله دلگرم delgarm');
//out: wb-farsy-dr-mjlh-dlgrm-delgarm


echo '/n'.slugify('أصبح تسجيل طلاب الصف الأول إلكترونيًا');
//out: asbh-tsjyl-tlab-alsf-alawl-alktrwnyaa

?>

 public static function slugify($string, $separator = null)
 {
     $separator = null !== $separator ? $separator : (null !== self::$separator ? self::$separator : '-');
     $slug = trim(strip_tags($string));
     $slug = transliterator_transliterate('NFD; [:Nonspacing Mark:] Remove; NFC; Any-Latin; Latin-ASCII; Lower();', $slug);
     $slug = preg_replace("/[^a-zA-Z0-9\\/_|+ -]/", '', $slug);
     $slug = preg_replace("/[\\/_|+ -]+/", $separator, $slug);
     $slug = trim($slug, $separator);
     return $slug;
 }