Laravel 8 has() {#collection-method}

2021-07-19 09:38 更新

has 方法判断集合中是否存在指定键：

$collection = collect(['account_id' => 1, 'product' => 'Desk', 'amount' => 5]);

$collection->has('product');

// true

$collection->has(['product', 'amount']);

// true

$collection->has(['amount', 'price']);

// false

以上内容是否对您有帮助：

← Laravel 8 groupBy() {#collection-method}

Laravel 8 implode() {#collection-method} →

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Laravel 8 has() {#collection-method}

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