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Laravel 8 Arr::collapse() {#collection-method}

2021-07-03 16:24 更新

Arr::collapse 函数将多个数组合并为一个数组：

use Illuminate\Support\Arr;

$array = Arr::collapse([[1, 2, 3], [4, 5, 6], [7, 8, 9]]);

// [1, 2, 3, 4, 5, 6, 7, 8, 9]

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