public static function slugify($text)
{
// replace non letter or digits by -
$text = preg_replace('~[^\\pL\\d]+~u', '-', $text);
// trim
$text = trim($text, '-');
// transliterate
if (function_exists('iconv')) {
$text = iconv('utf-8', 'us-ascii//TRANSLIT', $text);
}
// lowercase
$text = strtolower($text);
// remove unwanted characters
$text = preg_replace('~[^-\\w]+~', '', $text);
if (empty($text)) {
return 'n-a';
}
return $text;
}