php经过判断来源主机头进行防盗链

check.php

<html><body><form action="test.php" method="post">    message<input type="text" name="name" value="123456" />    <input type="submit" value="submit" />form>body>html>

test.php

phpheader("Content-type:text/html;charset='utf8'");error_reporting(E_ALL);$url = parse_url($_SERVER['HTTP_REFERER']);//print_r($url);if($url['host'] != "localhost"){    echo "";    exit(0);}else{    echo "";    echo "
Hello World!
";}