function shtmlspecialchars($string) {

if(is_array($string)) {

foreach($string as $key => $val) {

$string[$key] = shtmlspecialchars($val);

}

} else {

$string = preg_replace(‘/&((#(\d{3,5}|x[a-fA-F0-9]{4})|[a-zA-Z][a-z0-9]{2,5});)/’, ‘&\\1′,

str_replace(array(‘&’, ‘”‘, ‘<’, ‘>’), array(‘&amp;’, ‘&quot;’, ‘&lt;’, ‘&gt;’), $string));

}

return $string;

}