<?php
/**
@title:PHP5盗链函数
@author:axgle
@filename:referer.php
@contents:This is a demo that show referer made success
*/

if($_GET['id']) {
      echo $_SERVER['HTTP_REFERER'];
} else {
      echo referfile('[url]http://www.pc51.net/download.php?id=1[/url]','[url]http://www.pc51.net/[/url]');
   
}

function referfile($url,$refer='') {
      $opt=array('http'=>array('header'=>"Referer:$refer"));
      $context=stream_context_create($opt);
      return file_get_contents($url,false,$context);
}
?>