php下过滤html代码的函数 提高程序安全性_PHP教程

以下为过滤HTML代码的函数：

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

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=str_replace("$string=str_replace(">",">",$string);
$string=str_replace(">",">",$string);
$string=str_replace(" "," ",$string);
$string=nl2br($string);
return $string;
}

http://www.bkjia.com/PHPjc/321398.htmlwww.bkjia.comtruehttp://www.bkjia.com/PHPjc/321398.htmlTechArticle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] = ihtm...