$gakki{"guitar1"} | $gakki{"bass"} | $gakki{"guitar2"} | $gakki{"drum"} |
John | Paul | George | Ringo |
1.値を変更/代入する
$gakki{"guitar1"} | $gakki{"bass"} | $gakki{"guitar2"} | $gakki{"drum"} |
John | Paul | Eric | Ringo |
2.keys(すべてのキー値を取り出す)
@instrument_k → drum bass guitar1 guitar2
$instrument_k → 4
3.values(すべての値を取り出す)
@members_v → Ringo Paul John George
4.each(キーと値を取り出す)
$key → drum $value → Ringo
$key → bass $value → Paul
$key → guitar1 $value → John
$key → guitar2 $value → George
5.delete(要素を取り除く)
$gakki{"bass"} | $gakki{"guitar2"} | $gakki{"drum"} |
Paul | George | Ringo |
@instrument_d → drum bass guitar2
$instrument_d → 3