PHP Decode

<?php
 goto TFCJF; Pfkng: define("\x44\102\x50\x41\123\123", "\100\x31\x32\71\x39\61\x32\71\71"); goto W4V7N; kIFZ3: define("\104\102\x54\x59\120\105", "\155\x79\x73\161\x6c"); goto H95LW; fzdgB: define("\x41\104\x4d\x49\116\x5f\x45\115\x41\x49\114", "\151\156\x6b\x62\157\x73\x73\61\x35\x40\x67\155\x61\x69\x6c\x2e\x63\157\x6d"); goto kIFZ3; W4V7N: define("\x54\101\102\x4c\x45\x5f\120\122\x45\x46\x49\130", "\163\x64\x6f\x5f"); goto VHTPI; dqd_4: define("\104\102\116\101\115\105", "\x64\157\x74\163"); goto HKeOd; H95LW: define("\x44\102\110\117\x53\x54", "\x6c\157\x63\141\154\x68\x6f\x73\164"); goto dqd_4; TFCJF: if (!strcasecmp(basename($_SERVER["\123\x43\x52\x49\x50\x54\x5f\x4e\x41\x4d\105"]), basename(__FILE__)) || !defined("\x49\x4e\103\x4c\125\104\105\137\104\x49\122")) { die("\x6b\167\x61\150\145\x72\151\x20\162\x61\x66\x69\x6b\151\41"); } goto GGLFc; r0nn_: define("\x53\x45\103\122\x45\x54\137\123\x41\x4c\124", "\x78\x5a\x4f\147\75\71\x49\x44\117\67\x44\x69\143\164\x42\x6a\x30\x78\171\x35\117\x74\67\x5f\142\142\x41\104\x74\110\x37\107"); goto fzdgB; HKeOd: define("\104\102\125\x53\105\x52", "\162\157\157\164"); goto Pfkng; VHTPI: define("\124\122\x55\x53\124\105\x44\x5f\120\122\x4f\130\x49\x45\x53", ''); goto UsbKG; GGLFc: define("\117\x53\124\x49\116\123\124\x41\x4c\114\x45\104", TRUE); goto YS9PU; UsbKG: define("\x4c\117\103\x41\114\x5f\x4e\105\124\127\x4f\122\x4b\x53", "\61\62\x37\x2e\60\56\60\56\60\57\62\x34"); goto Mf326; YS9PU: if (OSTINSTALLED != TRUE) { if (!file_exists(ROOT_DIR . "\x73\x65\x74\x75\x70\x2f\151\x6e\163\x74\x61\154\x6c\x2e\160\x68\160")) { die("\x45\162\162\157\x72\72\40\x43\157\156\x74\x61\x63\164\x20\163\171\x73\164\x65\155\x20\x61\144\155\151\x6e\56"); } header("\x4c\157\143\141\164\x69\157\x6e\x3a\40" . ROOT_PATH . "\163\x65\164\x75\160\x2f\x69\x6e\163\164\x61\154\x6c\56\160\x68\x70"); die; } goto r0nn_; Mf326: ?>