Convert Text to Slug URL in PHP

Convert Text to slug URL, 
example: Brown & Cony's Secret Date! 
will become: brown-conys-secret-date
Will be nice url.
function slug_url($text) { 
	// replace non letter or digits by -
	$text = preg_replace('~[^\\pL\d]+~u', '-', $text);
	// trim
	$text = trim($text, '-');
	// transliterate
	$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;
}

Author: Justin Soo

https://plus.google.com/105604283199591348183