array(2) {
  ["dir"]=>
  string(21) "books/app/assets/docs"
  ["file"]=>
  string(40) "zshaolin/sources/freetype-2.4.10.tar.bz2"
}
string(72) "/books/app/assets/docs?file=zshaolin%2Fsources%2Ffreetype-2.4.10.tar.bz2"