phpの配列を0で初期化

phpで配列0初期化

phpでは代入する場合初期化をする必要はありませんが、
0やnullで初期化した配列が欲しい場合があります。
そんな時に使えるのがこれ。

array_fill(0, 50, 0);

// array_fill(スタート位置, 個数, 初期化値);

Array
(
    [0] => 0
    [1] => 0
    [2] => 0
    [3] => 0
    [4] => 0
    [5] => 0
    [6] => 0
    [7] => 0
    [8] => 0
    [9] => 0
    [10] => 0
    [11] => 0
    [12] => 0
    [13] => 0
    [14] => 0
    [15] => 0
    [16] => 0
    [17] => 0
    [18] => 0
    [19] => 0
    [20] => 0
    [21] => 0
    [22] => 0
    [23] => 0
    [24] => 0
    [25] => 0
    [26] => 0
    [27] => 0
    [28] => 0
    [29] => 0
    [30] => 0
    [31] => 0
    [32] => 0
    [33] => 0
    [34] => 0
    [35] => 0
    [36] => 0
    [37] => 0
    [38] => 0
    [39] => 0
    [40] => 0
    [41] => 0
    [42] => 0
    [43] => 0
    [44] => 0
    [45] => 0
    [46] => 0
    [47] => 0
    [48] => 0
    [49] => 0
)