PHP ʖ²ἯTH º󍋼/A array_fill ˵÷ =ד 1. array_fill() =ד $a = array_fill(5, 6, 'banana'); Ӄ print_r() ²鿴 $a ϔʾȧς£º Array ([5] = banana [6] = banana [7] = banana [8] = banana [9] = banana [10] = banana) º󍋼/A ưµ㼯A array_diff ɏһ¼¶ array_filter