string(7) "p1d3a4/" array(2) { [0]=> array(3) { [0]=> string(2) "p1" [1]=> string(2) "d3" [2]=> string(2) "a4" } [1]=> array(3) { [0]=> string(1) "1" [1]=> string(1) "3" [2]=> string(1) "4" } }