Weblabor

public function seo_friendly_url($string){

	    $string = str_replace(array('[\', \']'), '', $string);
	    $string = preg_replace('/\[.*\]/U', '', $string);
	    $string = preg_replace('/&(amp;)?#?[a-z0-9]+;/i', '-', $string);
	    $string = htmlentities($string, ENT_COMPAT, 'utf-8');
	    $string = preg_replace('/&([a-z])(acute|uml|circ|grave|ring|cedil|slash|tilde|caron|lig|quot|rsquo);/i', '\\1', $string );
	    $string = preg_replace(array('/[^a-z0-9]/i', '/[-]+/') , '-', $string);
	    return strtolower(trim($string, '-'));
	}