php通过判断来源主机头进行防盗链，php来源

php通过判断来源主机头进行防盗链，php来源

check.php

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

test.php

php
header("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!
";
}