Suchen & Ersetzen

function wortersetzen($content) {
        if (get_option('meinplugin_werte') != false) { 
            $data = explode("\n", stripslashes(get_option('meinplugin_werte')));   
                foreach($data as $wert) { 
                $tmp = explode(";",$wert);    
                
                // Separierte Werte in separierte Arrays uebergeben
                $finde[] = $tmp[0];
                $ersetze[] = $tmp[1];
                }
            $cnt = count($finde);
            for($i=0;$i<$cnt;$i++) {
                $replace = $finde[$i];
                $pattern = "/\b($replace)\b(?=([^>]*<))/i";
                $content = preg_replace($pattern,$ersetze[$i],$content);
            }            
            preg_match_all('#[^>]+(?=<[^/])|[^>]+$#', $content, $matches, PREG_SET_ORDER);
            foreach ($matches as $val) {
                $content = str_replace($val[0],str_replace($finde,$ersetze,$val[0]),$content);
            }
            $return = $content;
            
        } else {
            $return = $content;
        }
        return $return;