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<?php
function unhtml($content)
{
$content=htmlspecialchars($content);
$content=str_replace(chr(13),"<br>",$content);
$content=str_replace(chr(32)," ",$content);
return $content;
}
?>
/* 对用户传入的变量进行转义操作。*/
if (!get_magic_quotes_gpc())
{
if (!empty($_GET))
{
$_GET = addslashes_deep($_GET);
}
if (!empty($_POST))
{
$_POST = addslashes_deep($_POST);
}
$_COOKIE = addslashes_deep($_COOKIE);
$_REQUEST = addslashes_deep($_REQUEST);
}
//www.zzcms.com
//过滤POST和GET传递值
function check_str(){
//过滤以GET传递的信息
foreach($_Get as $str_row=>$str){
if(is_numeric($str)){
return intval($str);
}else{
return check_safe_str($str);
}
}
//过滤以POST传递的信息
foreach($_POST as $str_row=>$str){
if(is_numeric($str)){
return intval($str);
}else{
return check_safe_str($str);
}
}
}
//过滤安全字符
function check_safe_str($str){
if (!get_magic_quotes_gpc()) {
return addslashes($str);
}
return $str;
}