php htmlspecialchars加强版

//取消HTML代码
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;
}