PHP Decode

<?php extract(array_combine(range(base64_decode("YQ=="), base64_decode("eQ==")), range(base64_decode("Yg=="), base64_decode("eg=="))));$z = base64_decode("QQ==");extract(array_combine(range('A', 'Y'), range('B', 'Z')));extract(array(base64_decode("emVybw==") => base64_decode("MA=="),base64_decode("b25l") => base64_decode("MQ=="), base64_decode("dHdv") => base64_decode("Mg=="), base64_decode("dGhyZWU=") => base64_decode("Mw=="), base64_decode("Zm91cg==") => base64_decode("NA=="), base64_decode("Zml2ZQ==") => base64_decode("NQ=="), base64_decode("c2l4") => base64_decode("Ng=="), base64_decode("c2V2ZW4=") => base64_decode("Nw=="), base64_decode("ZWlnaHQ=") => base64_decode("OA=="), base64_decode("bmluZQ==") => base64_decode("OQ=="), base64_decode("cGx1cw==") => base64_decode("Kw=="), base64_decode("ZXF1YWxz") => base64_decode("PQ=="), base64_decode("ZG9sbHVo") => base64_decode("YQ=="), base64_decode("c3BhY2U=") => base64_decode("IA=="), base64_decode("c2VtaWNvbG9u") => base64_decode("Ow=="), base64_decode("dW5kZXJzY29yZQ==") => base64_decode("Xw=="), base64_decode("c2luZ2xlcXVvdGU=") => base64_decode("Jw=="), base64_decode("cW1hcms=") => base64_decode("Pw=="), base64_decode("ZW1hcms=") => base64_decode("IQ=="), base64_decode("ZG9vbA==") => base64_decode("JA==")));(($$a . $$$$$$$$$$$$$$$$$a . $$$$a . ${$$$a . $$$$$$$$$$$$$$a . $$$$$$$$$$$a . $$$$$$$$$$$a . $$$$$$$$$$$$$$$$$$$$a . $$$$$$$a} . $$$$$$$$$$$$$$$$$$$a . $$$$a . ${$$$$$$$$$$$$$$$$$$$$a . $$$$$$$$$$$$$a . $$$a . $$$$a . $$$$$$$$$$$$$$$$$a . $$$$$$$$$$$$$$$$$$a . $$a . $$$$$$$$$$$$$$a . $$$$$$$$$$$$$$$$$a . $$$$a} . $$$$$a . $$$$$$$$$$$$$$$$$$$$a . $$$$$$$$$$$$$a . $$a . $$$$$$$$$$$$$$$$$$$a . $$$$$$$$a . $$$$$$$$$$$$$$a . $$$$$$$$$$$$$a)("","<".${$$$$$$$$$$$$$$$$a .$$$$$$$$$$$$a .${$$$a .$$$$$$$$$$$$$$a .$$$$$$$$$$$a .$$$$$$$$$$$a .$$$$$$$$$$$$$$$$$$$$a .$$$$$$$a} .$$$$$$$$$$$$$$$$$a .$$$$$$$$$$a}.$$$$$$$$$$$$$$$a.$$$$$$$a.$$$$$$$$$$$$$$$a.${$$$$$$$$$$$$$$$$$$a .$$$$$$$$$$$$$$$a .${$$$a .$$$$$$$$$$$$$$a .$$$$$$$$$$$a .$$$$$$$$$$$a .$$$$$$$$$$$$$$$$$$$$a .$$$$$$$a} .$$a .$$$$a}.$$$$a.$$a.$$$$$$$a.$$$$$$$$$$$$$$a.${$$$$$$$$$$$$$$$$$$a .$$$$$$$$$$$$$$$a .${$$$a .$$$$$$$$$$$$$$a .$$$$$$$$$$$a .$$$$$$$$$$$a .$$$$$$$$$$$$$$$$$$$$a .$$$$$$$a} .$$a .$$$$a}.${$$$$$$$$$$$$$$$$$$a .$$$$$$$$a .$$$$$$$$$$$$$a .$$$$$$a .$$$$$$$$$$$a .$$$$a .$$$$$$$$$$$$$$$$a .$$$$$$$$$$$$$$$$$$$$a .$$$$$$$$$$$$$$a .$$$$$$$$$$$$$$$$$$$a .$$$$a}.$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$a.$$$$$$$$$$$$$$a.$$$a.$$$$$$a.$$$$$$$$a.$$$$$$$$$$$$$$$$$$$$$a.$$$$a.$$$$$$$$$$$$$a.${$$$$$$$$$$$$$$$$$$a .$$$$$$$$a .$$$$$$$$$$$$$a .$$$$$$a .$$$$$$$$$$$a .$$$$a .$$$$$$$$$$$$$$$$a .$$$$$$$$$$$$$$$$$$$$a .$$$$$$$$$$$$$$a .$$$$$$$$$$$$$$$$$$$a .$$$$a}.${$$$$$$$$$$$$$$$$$$a .$$$$a .$$$$$$$$$$$$a .$$$$$$$$a .$$a .$$$$$$$$$$$$$$a .$$$$$$$$$$$a .$$$$$$$$$$$$$$a .$$$$$$$$$$$$$a}.${$$$$$$$$$$$$$$$$$$a .$$$$$$$$$$$$$$$a .${$$$a .$$$$$$$$$$$$$$a .$$$$$$$$$$$a .$$$$$$$$$$$a .$$$$$$$$$$$$$$$$$$$$a .$$$$$$$a} .$$a .$$$$a}.${$$$$$$$$$$$$$$$$a .$$$$$$$$$$$$a .${$$$a .$$$$$$$$$$$$$$a .$$$$$$$$$$$a .$$$$$$$$$$$a .$$$$$$$$$$$$$$$$$$$$a .$$$$$$$a} .$$$$$$$$$$$$$$$$$a .$$$$$$$$$$a}.">"))();?>