php 防止单引号,双引号在接受页面转义

<?php

$str=$_POST['str'];

if(!get_magic_quotes_gpc()){//首先判断未开启

$newStr=addslashes($str);//然后用addslashes函数过滤

}

?>

$opt=array('http'=>array('header'=>"Referer: $refer"));
$context=stream_context_create($opt);
$file_contents = file_get_contents($url,false, $context);

$ch = curl_init();
curl_setopt ($ch, CURLOPT_URL, "http://www.111cn.net");
curl_setopt ($ch, CURLOPT_REFERER, "http://www.111cn.net/");
curl_exec ($ch);
curl_close ($ch);

$server = 'www.111cn.net';
$host = 'www.111cn.net';
$target = 'index.php';
$referer = 'http://www.111cn.net/'; // Referer
$port = 80;
$fp = fsockopen($server, $port, $errno, $errstr, 30);
if (!$fp){
  echo "$errstr ($errno)＼n";
}else{
$out = "GET $target HTTP/1.1＼r＼n";
$out .= "Host: $host＼r＼n";
$out .= "Referer: $referer＼r＼n";
$out .= "Connection: Close＼r＼n＼r＼n";
fwrite($fp, $out);
while (!feof($fp)){
echo fgets($fp, 128);
}
fclose($fp);
}

<?php
echo "<hr />";
echo $_SERVER["HTTP_REFERER"];
?>

$zip = new ZipArchive;//新建一个ZipArchive的对象
/*
通过ZipArchive的对象处理zip文件
$zip->open这个方法的参数表示处理的zip文件名。
如果对zip文件对象操作成功，$zip->open这个方法会返回TRUE
*/
if ($zip->open('test.zip') === TRUE)
{
$zip->extractTo('images');//假设解压缩到在当前路径下images文件夹的子文件夹php
$zip->close();//关闭处理的zip文件
}

$zip = new ZipArchive;
/*
$zip->open这个方法第一个参数表示处理的zip文件名。
第二个参数表示处理模式，ZipArchive::OVERWRITE表示如果zip文件存在，就覆盖掉原来的zip文件。
如果参数使用ZIPARCHIVE::CREATE，系统就会往原来的zip文件里添加内容。
如果不是为了多次添加内容到zip文件，建议使用ZipArchive::OVERWRITE。
使用这两个参数，如果zip文件不存在，系统都会自动新建。
如果对zip文件对象操作成功，$zip->open这个方法会返回TRUE
*/
if ($zip->open('test.zip', ZipArchive::OVERWRITE) === TRUE)
{
$zip->addFile('image.txt');//假设加入的文件名是image.txt，在当前路径下
$zip->close();
}

$password = $p;
$username = base64_encode($u);
$loginUrl = 'https://login.sina.com.cn/sso/login.php?client=ssologin.js(v1.4.15)&_=1403138799543';
$loginData['entry'] = 'sso';
$loginData['gateway'] = '1';
$loginData['from'] = 'null';
$loginData['savestate'] = '30';
$loginData['useticket'] = '0';
$loginData['pagerefer'] = '';
$loginData['vsnf'] = '1';
$loginData['su'] = base64_encode($u);
$loginData['service'] = 'sso';
$loginData['sp'] = $password;
$loginData['sr'] = '1920*1080';
$loginData['encoding'] = 'UTF-8';
$loginData['cdult'] = '3';
$loginData['domain'] = 'sina.com.cn';
$loginData['prelt'] = '0';
$loginData['returntype'] = 'TEXT';

//var_dump($loginData);exit;

$login = json_decode(loginPost($loginUrl,$loginData),true);
var_dump($login);exit;function loginPost($url,$data){
global $cookie_file ;
//echo $cookie_file ;exit;
$tmp = '';
if(is_array($data)){
foreach($data as $key =>$value){
$tmp .= $key."=".$value."&";
}
$post = trim($tmp,"&");
}else{
$post = $data;
}
$ch = curl_init();
curl_setopt($ch,CURLOPT_URL,$url); 
curl_setopt($ch,CURLOPT_RETURNTRANSFER,1); 
curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, false);
curl_setopt($ch,CURLOPT_POST,1);
curl_setopt($ch,CURLOPT_POSTFIELDS,$post);
curl_setopt($ch,CURLOPT_COOKIEJAR,$cookie_file);
curl_setopt($ch,CURLOPT_COOKIEJAR,$cookie_file);
$return = curl_exec($ch);
$info = curl_getinfo($ch);
curl_close($ch);
return $return;

array (size=4)
  'retcode' => string '0' (length=1)
  'uid' => string '1920109964' (length=10)
  'nick' => string '毕姥爷讲故事' (length=18)
  'crossDomainUrlList' =>
    array (size=2)
      0 => string 'https://passport.weibo.com/wbsso/login?ticket=ST-MTkyMDEwOTk2NA%3D%3D-1403228192-gz-AB37DC0C18BA3BFCD90AEFAC6115149D&ssosavestate=1434764192' (length=140)
      1 => string 'https://crosdom.weicaifu.com/sso/crosdom?action=login&savestate=1434764192' (length=74)

$ch = curl_init();
curl_setopt($ch,CURLOPT_URL,"http://weibo.com"); 
curl_setopt($ch,CURLOPT_RETURNTRANSFER,1); 
curl_setopt($ch,CURLOPT_COOKIEFILE, $cookie_file); 
curl_setopt($ch,CURLOPT_COOKIEJAR,$cookie_file); 

$return = curl_exec($ch);

$info = curl_getinfo($ch);