array(2) { [0]=> int(1) [1]=> array(10) { [0]=> int(2) [1]=> int(1) [2]=> int(4) [3]=> int(2) [4]=> int(5) [5]=> int(3) [6]=> int(6) [7]=> string(7) "問題2" [8]=> string(7) "答え2" [9]=> string(39) "https://www.shika-kokushi.com/test2.png" } }