Q1: 一致する値を表示する方法は?
配列 1:
Array ( [0] => 9 [1] => 10 [2] => 11 [3] => 12 [4] => 13 [5] => 14 [6] => 15 [7] => 16 )
配列 2:
Array ( [0] => 8 [1] => 9 [2] => 10 [3] => 11 [4] => 12 [5] => 13 [6] => 14 [7] => 15 [8] => 16 [9] => 17 [10] => 18 [11] => 19 [12] => 20 [13] => 21 [14] => 22 [15] => 23 )
出力:
09-16
配列内の一致する最初の値と最後の値を表示する方法