Convert HTML source to full text

gistfile1.php

function html2txt($document){
     $search = array('@<script[^>]*?>.*?</script>@si', // Strip out javascript
     '@<style[^>]*?>.*?</style>@siU', // Strip style tags properly
     '@<[?]php[^>].*?[?]>@si', //scripts php
     '@<[?][^>].*?[?]>@si', //scripts php
     '@<[\/\!]*?[^<>]*?>@si', // Strip out HTML tags
     '@<![\s\S]*?--[ \t\n\r]*>@' // Strip multi-line comments including CDATA
     );$text = preg_replace($search, '', $document);
     return $text;
}