Online PHP editor | output for WKuAV

<?php function slug( $string, $separator = '-' ) { $accents_regex = '~&([a-z]{1,2})(?:acute|cedil|circ|grave|lig|orn|ring|slash|th|tilde|uml);~i'; $special_cases = array( '&' => 'and', "'" => ''); $string = mb_strtolower( trim( $string ), 'UTF-8' ); $string = str_replace( array_keys($special_cases), array_values( $special_cases), $string ); $string = preg_replace( $accents_regex, '$1', htmlentities( $string, ENT_QUOTES, 'UTF-8' ) ); $string = preg_replace("/\s+/", "$separator", $string); $string = preg_replace("/[$separator]+/u", "$separator", $string); return $string; } echo slug("um rádio bonito");