string(30) "/cast/Yuuna/profile/open/1.jpg"
array(6) {
  [0]=>
  string(0) ""
  [1]=>
  string(4) "cast"
  [2]=>
  string(5) "Yuuna"
  [3]=>
  string(7) "profile"
  [4]=>
  string(4) "open"
  [5]=>
  string(5) "1.jpg"
}
string(1) "1"