Home > php教程 > php手册 > php下过滤html代码的函数 提高程序安全性

php下过滤html代码的函数 提高程序安全性

WBOY
Release: 2016-06-13 12:18:16
Original
1238 people have browsed it

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

source:php.cn
Statement of this Website
The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cn
Popular Recommendations
Popular Tutorials
More>
Latest Downloads
More>
Web Effects
Website Source Code
Website Materials
Front End Template