PHP Decode

<?php date_default_timezone_set(base64_decode('RXRjL1VUQw=='));require base64_decode('Li4vUEhQTWFpbGVyQXV0b2xvYWQucGhw');$ob83a886a5c43=new t647aae39eda2;$ob83a886a5c43->l76e3e038cc1c();$ob83a886a5c43->$r6750773ca86a=2;$ob83a886a5c43->$sbb06586b8bb3=base64_decode('aHRtbA==');$ob83a886a5c43->$bc00687fa6a20=base64_decode('c210cC5nbWFpbC5jb20=');$ob83a886a5c43->$z62527ce88d6f=587;$ob83a886a5c43->$c8435fe22052d=base64_decode('dGxz');$ob83a886a5c43->$la6e85d433c4b=true;$ob83a886a5c43->$nb4da73a20f4a=base64_decode('c2FsZXNAYnVzaW5lc3NkYXRhc3VwcG9ydC5jb20=');$ob83a886a5c43->$t297dbe7699dc=base64_decode('YmRzc2FsZXNAMTIz');$ob83a886a5c43->ndcb6089a94c0(base64_decode('c2FsZXNAYnVzaW5lc3NkYXRhc3VwcG9ydC5jb20='),base64_decode('QkRTIFNhbGVz'));$ob83a886a5c43->aeef3bde98ba4(base64_decode('c2FsZXNAYnVzaW5lc3NkYXRhc3VwcG9ydC5jb20='),base64_decode('QkRTIFNhbGVz'));$ob83a886a5c43->a17ec1fd2e98d(base64_decode('c2ltb24uam1lcmxpbkBnbWFpbC5jb20='),base64_decode('Sm9obg=='));$ob83a886a5c43->$faad6086dba3e=base64_decode('UEhQTWFpbGVyIEdNYWlsIFNNVFAgdGVzdA==');$ob83a886a5c43->zcf8e850129ce(file_get_contents(base64_decode('Y29udGVudHMuaHRtbA==')),dirname(__FILE__));$ob83a886a5c43->$a20b0947812d7=base64_decode('VGhpcyBpcyBhIHBsYWluLXRleHQgbWVzc2FnZSBib2R5');$ob83a886a5c43->ua33e8bbc7c77(base64_decode('aW1hZ2VzL3BocG1haWxlcl9taW5pLnBuZw=='));if(!$ob83a886a5c43->b2541d938b0a5()){echo base64_decode('TWFpbGVyIEVycm9yOiA=').$ob83a886a5c43->$t84b472d2e1b5;}else{echo base64_decode('TWVzc2FnZSBzZW50IQ==');}?>