This function works like \Str::slug of Laravel with support for Arabic strings

arabic-slug-helper-for-laravel.php

/**
 *  Generates a slug for URL from a given title.
 *
 * @param string $title The title to convert to a slug.
 * @param string $separator The separator to use in the slug. Default is '-'.
 * @param string|null $language The language to use for ASCII conversion. Default is null.
 * @param array $dictionary An array of dictionary words to replace in the slug. Default is ['@' => 'at'].
 * @return string The generated slug.
 */
function slug($title, $separator = '-', $language = null, $dictionary = ['@' => 'at']) {
    if (is_null($title)) {
        return "";
    }
    
    if (!is_null($language)) {
        // The peace of code below uses Laravel \Illuminate\Support\Str class
        $title = $language ? \Str::ascii($title, $language) : $title;
    }

    // Strip whitespace (or other characters) from the beginning and end of a string
    $title = trim($title);
    // Make a string lowercase
    $title = mb_strtolower($title, "UTF-8");;

    // Replace dictionary words
    foreach ($dictionary as $key => $value) {
        $dictionary[$key] = $separator.$value.$separator;
    }
    $title = str_replace(array_keys($dictionary), array_values($dictionary), $title);

    // Remove all characters that are not the separator, letters, numbers, or whitespace
    $title = preg_replace("/[^a-z0-9_\sءاأإآؤئبتثجحخدذرزسشصضطظعغفقكلمنهويةى]#u/", "", $title);
    // Remove all characters that are not the separator, letters, numbers, or whitespace
    $title = preg_replace('![^'.preg_quote($separator).'\pL\pN\s]+!u', '', mb_strtolower($title));
    // Replace all separator characters and whitespace by a single separator
    $title = preg_replace('!['.preg_quote($separator).'\s]+!u', $separator, $title);

    return $title;
}