Online PHP editor | output for P5KVY

<?php function nothingspecial($dings) { $dinging = function ($ding) { $ding = preg_replace("/[^- ()\.\&,_'´`áàäçéèêñóòôöüæøåìíùúâêîôûÁÀÄÇÉÈÊÑÓÒÔÖÜÆØÅÌÍÙÚÂÊÎÔÛß@€:0-9a-zA-Z&+]/", " ", $ding ); $ding = stripslashes(trim(str_replace("'","´",$ding))); $funduz = array('&auml ','&ouml ','&uuml ','&Auml ','&Ouml ','&Uuml ','&szlig '); $ersetzuz = array('ä','ö','ü','Ä','Ö','Ü','ß'); $ding = str_replace($funduz, $ersetzuz, $ding); return $ding; }; return is_array($dings) ? array_map($dinging, $dings) : $dinging($dings); } var_dump(nothingspecial(['DópÂ\n'])); var_dump(nothingspecial('DópÂ\n'));