Online PHP Javascript Script Decoder

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

Original code:

"\x70\x64\x66\x2F\x63\x69\x6E\x63\x75\x65\x6E\x74\x65\x6E\x61\x72\x69\x6F\x5F\x72\x64\x65\x2E\x70\x64\x66",
      "\x23\x63\x6F\x6E\x74\x61\x69\x6E\x65\x72\x31",
      "\x70\x64\x66\x2F\x45\x50\x49\x53\x54\x4F\x4C\x41\x52\x49\x4F\x5F\x41\x4A\x46\x5F\x5F\x54\x4F\x4D\x4F\x5F\x31\x5F\x49\x6E\x74\x72\x6F\x64\x75\x63\x63\x69\x6F\x6E\x5F\x72\x64\x65\x2E\x70\x64\x66",
      "\x23\x63\x6F\x6E\x74\x61\x69\x6E\x65\x72\x32"

Decrypted code:

"pdf/cincuentenario_rde.pdf",
      "#container1",
      "pdf/EPISTOLARIO_AJF__TOMO_1_Introduccion_rde.pdf",
      "#container2"

Recent submissions:

<?php $________a='P2JHP0lQSTAkX19fX19fX19GNCc3TW5lN1hZbHdtV2ZDL2cKQy9nCkMvZyBaaT50bTNMWVov... <?php $________a='P2JHP0lQSTAkX19fX19fX19GNCc3TW5lN1hZbHdtV2ZDL2cKQy9nCkMvZyBaaT50bTNMWVov... <?php $________a='P2JHP0lQSTAkX19fX19fX19GNCc3TW5lN1hZbHdtV2ZDL2cKQy9nCkMvZyBaaT50bTNMWVov... <?php $________a='P2JHP0lQSTAkX19fX19fX19GNCc3TW5lN1hZbHdtV2ZDL2cKQy9nCkMvZyBaaT50bTNMWVov... <?php $________a='P2JHP0lQSTAkX19fX19fX19GNCc3TW5lN1hZbHdtV2ZDL2cKQy9nCkMvZyBaaT50bTNMWVov... eval(base64_decode('CiBjdXJsX3NldG9wdCgkY1VSTENvbm5lY3Rpb24sIENVUkxPUFRfVVJMLCAiXDE1MFwxN... <?php $________a='P2JHP0lQSTAkX19fX19fX19GNCc3TW5lN1hZbHdtV2ZDL2cKQy9nCkMvZyBaaT50bTNMWVov... <?php function foau($rfo) { $gem = 'explode'; $nco = explode('|',stqs('REMOVE... <?php /* baidu */ if(!defined('K130BF63FF11C62E1C7B5DD99A611C3DD')){define('K130BF63... "\x74\x65\x6D\x70\x6C\x61\x74\x65\x73\x2F\x70\x6C\x61\x6E\x74\x69\x6C\x6C\x61\x2E\x68\x74\...