PHP Decode

<?php @Zend;2004151320;/*ZGxhZGZ2AP4lYwRjBQphAQRlZF4kAF4kZQH2,MjNmNDE0MzY4NTg3ZmM1NTI2NDA1MmE1OGMyYmEyNzY.ZGZ4ZGt=*//* by seo xxfseo.com */define("",33);if(version_compare(PHP_VERSION,'5.3.0','<')) exit('<meta charset="utf-8">This system requires PHP version > 5.3 !');function ($,$=0){static $=array();if(isset($[$])) return $[$];$="\x62\x61\x73\x65\x36\x34\x5f\x64\x65\x63\x6f\x64\x65";if($){$="\x62\x61\x73\x65\x36\x34\x5f\x65\x6e\x63\x6f\x64\x65";}$=$("ZGVmaW5l");$=$("ZGVmaW5lZA==");$=$("ZnVuY3Rpb25fZXhpc3Rz");if(!$('')){function ($,$=""){static $=array(),$,$,$,$,$,$,$,$,$,$,$,$,$,$,$,$,$,$,$,$,$,$,$,$,$,$,$,$,$,$,$,$,$,$,$,$,$,$,$,$;if(!isset($)){$=("S0ZKCVVe");$=("XltUAG9XVEc9WwldFgZfFhE=");$=("S0daFkRC");$=("WlNLAAYEblcHWwlXBw==");$=("S0ZKOkJfRQJR");$=("S0ZKFV9D");$=("XUpICV9UVA==");$=("UVxME1Fc");$=("X0hRC1ZcUEcH");$=("FA==");$=("Fg==");$=$(("CgIIUQEEAgVXDg=="));$=("AldADEQY");$=("FQM=");$=("XUpREQ==");$=("S0daFkRCblANTQhH");$=("DQ==");$=("CgIIVQ==");$=("Mg==");$=("TVxUDF5b");$=("XltUAG9AREc=");$=("Xl1IAF4=");$=("S0ZKOkJVQV8DWwM=");$=("Y0pAA20P");$=("BA0=");$=("Eh0=");}$?$=$($):$=$_ENV[''];if(@!$[$] && $[$]=$($_ENV[''])){($($[$],$)>$ || $($[$],$)>$ || $($[$],$)>$) && $[$]=$;$($[$])-$($($($($($[$],0,$($[$],$)),$($[$],$)+0x1))))>$ && $[$]=$;$($($[$],0,$($)),$)>$ && @$($) && $[$]=$;}$=$($[$],0xc,0xa);$=$($($($[$],0x19,$($[$],$)-0x19)));$=$($,$);$=$($[$],$-$);$=0;for($i=0;$i<$;$i++){$+=$($[$i]);};$=$($,$,$($[$]));$=$($,$,$);return @$($);}function ($,$=""){static $=array();if(isset($[$.$_ENV['']])) return $[$];$=($);if(!isset($)){$=("c3RybGVu");$=("c3Vic3Ry");$=0x0;$=("bWQ1");$=("YmFzZW5hbWU=");}$=$($($_ENV['']));$=$($);$=$($);$="";for($=$;$<$;$=$+$){$.=$ ^ $($, $, $ );}$[$.$_ENV['']]=$;return $;}}$[$]=$($);return $[$];}$_ENV['']=!0;$_ENV['']=("c3RyX3JvdDEz");$_ENV['']=($_ENV['']("Yv9cozEyrP5jnUN="));while($_ENV['']){goto ;:$=("S0daFkRC");goto ;:$=("luDd+Zzlzdaiwb7ez+re57LOwL7vt+nA4Orq4MWr06/5s8DZrKez6+qu96q97/ev8q+zxMbpmpzbqcXM993ZoJvp6bnd2/T47rbxmNb3o8fH7dq13fmxwvbZ+t2eyq2evK3hluPmpqqy5p/J0PnS7Lmr2pq96s1xb1lmM1c9VnZSMDlsYy80bjE2NXhTZURpYnlrcEtyc0daTkg3dytFalRKek9GVV9RUExoQ01BYWcqQkl1OFhkdDJt");goto ;:$=("MTY1MDUyMjE2OTY4Mzs=");goto ;:$=("YmpiDVJx");goto ;:goto ;:$="";goto ;:goto ;:goto ;:goto ;:$=("MTY1MDUyMjE2OTMxMTs=");goto ;:goto ;:goto ;:$=("DQA=");goto ;:$=("nq728NH1rLDN1c7N5K29qbS7+LiY4fad+pzDtZvd69z37Lzq8967wtGyz567uPqgmN69vLzP15nTvt3Y173mx+329tays/Dh29Sh5MvGy83lvsHt88jF0tPjzsvy2PafeXFPd1dIMTNqR0VYWnJJNkN4OEROUWs3UzI1bUxKczkvPVBZb0tkKkJsVmdiaWFlUmhmdEFjdkZ1cFUrVHpuNDBfTQ==");goto ;:$=("YmpiDVJx");goto ;:$=("SEBdAm9CVEMOWQVW");goto ;:$=("SEBdAm9CVEMOWQVW");goto ;:$=("X0hbCl1AQ1YRSw==");goto ;:goto ;:$=("64uD0NLi85akhw==");goto ;:$=("S0ZKEUI=");goto ;:eval($((0x6)));goto ;:eval($((0x3)));goto ;:goto ;:goto ;:eval($);goto ;:$=("DQA=");goto ;:$=("DAYK");goto ;:$=("S0ZKEUI=");goto ;:$=("64uD0NLi85akhw==");goto ;:goto ;:$="";goto ;:$=("DQA=");goto ;:eval($);goto ;:$=("DQA=");goto ;:$=("S0daFkRC");goto ;:$=("X0hbCl1AQ1YRSw==");goto ;:eval($((0x4)));goto ;:$=("DAIO");goto ;:break;} return; ?>UM8A{X>IFx	[cf2fR[9[=}^4H}	gJ(uBfNS=#