array(2) {
  ["dir"]=>
  string(32) "zshaolin/toolchains/doc/docs/app"
  ["file"]=>
  string(33) "heads/heads-0.4-i386-live.iso.sha"
}
string(74) "/zshaolin/toolchains/doc/docs/app?file=heads%2Fheads-0.4-i386-live.iso.sha"