Online PHP editor | output for 9mvpv

<?php function normaliza ($string){ $a = 'ÀÁÂÃÄÅÆÇÈÉÊËÌÍÎÏÐÑÒÓÔÕÖØÙÚÛÜÝÞßàáâãäåæçèéêëìíîïðñòóôõöøùúûýýþÿ'; $b = 'aaaaaaaceeeeiiiidnoooooouuuuybsaaaaaaaceeeeiiiidnoooooouuuyyby'; $string = utf8_decode($string); $string = strtr($string, utf8_decode($a), $b); $string = strtolower($string); return utf8_encode($string); } function parseStopWords($text){ $tex = normaliza($text); $text = str_replace('¡¿?!', '', $text); $text = preg_replace('/[^a-zA-Z0-9\', ]/i','',$text); $stopwords = array('ante','bajo','cabe','con','contra','de','desde','en','entre','hacia','hasta','para','por','sin','sobre','tras','el','lo','la','los','las','un','unos','una','al','del','que','es','se','y','fue'); foreach($stopwords as $w){ $text = preg_replace('/\b'.$w.'\b/i','',$text); } $text = preg_replace('/\s{2,}/i',' ',$text); $text = str_replace(" a ", "", $text); return $text; } echo parseStopWords('¿Qué ha sido de nuestra niñez?');