以下为过滤HTML代码的函数：

复制代码 代码如下:

function ihtmlspecialchars($string) {

if(is_array($string)) {

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

$string[$key] = ihtmlspecialchars($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('&', '"', '<', '>'), $string));

}

return $string;

}

php下过滤HTML代码的函数

复制代码 代码如下:

function htmlEncode($string) {

$string=trim($string);

$string=str_replace("&","&",$string);

$string=str_replace("'","'",$string);

$string=str_replace("&","&",$string);

$string=str_replace(""",""",$string);

$string=str_replace(""",""",$string);

$string=str_replace("<","<",$string);

$string=str_replace("<","<",$string);

$string=str_replace(">",">",$string);

$string=str_replace(">",">",$string);

$string=str_replace(""," ",$string);

$string=nl2br($string);

return $string;

}