PHP Decode

<?
${"\x47\x4c\x4f\x42\x41\x4c\x53"}["\x67\x61\x73y\x61\x72\x6b\x6e\x64"] = "\x62";
${"\x47\x4c\x4f\x42AL\x53"}["r\x77\x6cii\x69\x71\x66\x76\x66\x70"]     = "i";
function h($a)
{
    ${"\x47\x4cO\x42\x41L\x53"}["\x70x\x7a\x77\x65\x61h\x72\x75\x71\x6f\x6b"]    = "\x62";
    ${${"\x47LO\x42\x41\x4c\x53"}["\x70\x78z\x77\x65\x61\x68\x72u\x71\x6f\x6b"]} = "";
    ${"GL\x4fB\x41\x4c\x53"}["u\x78\x6fi\x69i\x6b\x61pcv"]                       = "\x62";
    for (${${"\x47\x4c\x4f\x42A\x4c\x53"}["r\x77\x6c\x69\x69i\x71\x66\x76fp"]} = 0; ${${"\x47\x4c\x4f\x42A\x4cS"}["\x72\x77l\x69i\x69\x71\x66\x76\x66\x70"]} < 5; ${${"G\x4c\x4f\x42\x41\x4c\x53"}["\x72\x77\x6ci\x69\x69qf\x76\x66\x70"]}++) {
        $ydzorvqk                                                   = "\x61";
        $gflrozo                                                    = "\x62";
        ${"\x47\x4cOB\x41\x4cS"}["\x65\x72p\x78\x7a\x6fz\x64\x65y"] = "i";
        ${$gflrozo}                                                 = ${${"G\x4c\x4f\x42AL\x53"}["\x67\x61sy\x61\x72k\x6e\x64"]} + ord(substr(${$ydzorvqk}, ${${"\x47\x4c\x4f\x42ALS"}["\x65rp\x78\x7a\x6fz\x64e\x79"]}, 1));
    }
    return ${${"\x47\x4c\x4fBA\x4cS"}["\x75x\x6fi\x69i\x6b\x61\x70\x63v"]};
}
$jbojdbertutk                                                       = "\x4b\x45\x59";
$vtefigaylx                                                         = "mu\x6e";
${"G\x4cOB\x41L\x53"}["\x68p\x63eeyx\x74o"]                         = "\x61";
$ktjmdjm                                                            = "a";
${"\x47\x4c\x4f\x42ALS"}["\x6d\x69mt\x65\x6du\x63\x79\x62\x70c"]    = "\x6d\x75\x6e";
${$jbojdbertutk}                                                    = "\x43o\x6e\x67\x72a\x74\x75\x6ca\x74\x69\x6f\x6es\x21</\x62r\x3e\x4be\x79\x20i\x73 ?????????????????????";
${"GL\x4f\x42\x41\x4cS"}["\x67\x6d\x66i\x66\x62f\x6c"]              = "\x61";
${${"G\x4c\x4f\x42AL\x53"}["\x6d\x69\x6d\x74em\x75c\x79\x62p\x63"]} = @$_GET["\x6b\x65y"];
${"GL\x4f\x42A\x4c\x53"}["w\x76d\x63\x78\x73\x64\x73\x71b"]         = "x";
@${$ktjmdjm} = explode("-", ${$vtefigaylx});
$gfxqkfxurga = "\x78";
$dlmordkk    = "\x61";
for (${${"\x47\x4c\x4fBA\x4cS"}["w\x76\x64\x63\x78\x73\x64\x73\x71b"]} = 0; ${${"\x47\x4c\x4f\x42\x41LS"}["\x77v\x64\x63\x78s\x64\x73\x71\x62"]} < 5; ${$gfxqkfxurga}++) {
    if (preg_match("/[^a-\x7a\x41-\x5a\x30-\x39]/", @${${"\x47\x4cOB\x41\x4c\x53"}["\x68pc\x65e\x79\x78\x74\x6f"]}[${${"\x47\x4cO\x42A\x4c\x53"}["\x77vd\x63\x78\x73ds\x71\x62"]}])) {
        exit("\x45rr\x6f\x72!");
    }
}
if (is_numeric(substr(${${"\x47LO\x42\x41\x4c\x53"}["\x68p\x63e\x65y\x78to"]}[0], 0, 2)) && !is_numeric(substr(${${"\x47\x4c\x4f\x42\x41\x4cS"}["\x68\x70\x63ee\x79\x78t\x6f"]}[0], 4, 1)) && h(${${"\x47\x4c\x4f\x42\x41\x4c\x53"}["gm\x66\x69fbfl"]}[0]) > 312 && h(${${"\x47L\x4f\x42A\x4cS"}["h\x70\x63e\x65yx\x74\x6f"]}[0]) < 333 && !is_numeric(substr(${$dlmordkk}[1], 0, 1)) && is_numeric(substr(${${"\x47\x4c\x4fB\x41LS"}["hpc\x65ey\x78to"]}[1], 3, 2))) {
    $qcpkjlbgy                                                         = "\x61";
    ${"G\x4c\x4f\x42\x41\x4c\x53"}["\x6f\x71\x6f\x74\x6a\x62\x76\x6e"] = "\x61";
    ${"G\x4cO\x42ALS"}["bb\x67h\x7a\x6f\x74"]                          = "\x61";
    if (h(${${"\x47\x4c\x4f\x42\x41LS"}["b\x62g\x68z\x6ft"]}[1]) > 300 && h(${$qcpkjlbgy}[1]) < 326 && !is_numeric(substr(${${"GL\x4f\x42\x41\x4c\x53"}["hp\x63\x65\x65yx\x74o"]}[2], 0, 1)) && is_numeric(substr(${${"\x47LO\x42AL\x53"}["\x68\x70c\x65e\x79xt\x6f"]}[2], 1, 1)) && h(${${"GLO\x42\x41L\x53"}["o\x71o\x74\x6a\x62\x76n"]}[2]) > 349 && h(${${"\x47\x4c\x4fB\x41\x4cS"}["h\x70c\x65\x65\x79x\x74o"]}[2]) < 407) {
        ${"\x47L\x4fBA\x4cS"}["\x77\x73ju\x78\x77\x78bz\x6d\x73"]          = "\x61";
        ${"\x47\x4cOB\x41\x4c\x53"}["o\x66\x76\x6d\x69\x61\x74\x63\x64ko"] = "a";
        $oqhejquzit                                                        = "a";
        if (!is_numeric(substr(${${"G\x4c\x4fBA\x4cS"}["\x77\x73\x6au\x78\x77\x78bz\x6d\x73"]}[3], 0, 2)) && is_numeric(substr(${$oqhejquzit}[3], 2, 3)) && h(${${"GL\x4f\x42\x41\x4c\x53"}["o\x66\x76\x6di\x61\x74\x63\x64\x6b\x6f"]}[3]) > 357 && h(${${"\x47\x4c\x4fBA\x4cS"}["hp\x63\x65ey\x78\x74\x6f"]}[3]) < 359) {
            ${"G\x4c\x4f\x42\x41L\x53"}["\x65rq\x71jp\x63t"]                = "\x61";
            ${"G\x4c\x4fBAL\x53"}["ok\x67\x6f\x6e\x64\x66\x69\x64\x6b\x79"] = "\x61";
            if (round((h(${${"G\x4c\x4f\x42A\x4c\x53"}["\x68\x70c\x65\x65y\x78t\x6f"]}[0]) + h(${${"\x47\x4c\x4f\x42\x41L\x53"}["\x6fkg\x6f\x6ed\x66\x69\x64\x6b\x79"]}[1]) + h(${${"\x47\x4c\x4f\x42AL\x53"}["h\x70c\x65e\x79\x78\x74\x6f"]}[2]) + h(${${"\x47L\x4f\x42A\x4cS"}["h\x70\x63e\x65\x79\x78\x74o"]}[3])) / 4) == h(${${"\x47L\x4f\x42ALS"}["\x65\x72\x71\x71\x6a\x70ct"]}[4])) {
                $oaqqkxn = "\x4b\x45\x59";
                exit(${$oaqqkxn});
            }
        }
    }
}
echo "\x57\x72ong\x20\x54.T";
?>