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Laravel 8 intersectByKeys() {#collection-method}

intersectByKeys 方法从原集合中移除在指定 array 或集合中不存在的任何键:

$collection = collect([
    'serial' => 'UX301', 'type' => 'screen', 'year' => 2009,
]);

$intersect = $collection->intersectByKeys([
    'reference' => 'UX404', 'type' => 'tab', 'year' => 2011,
]);

$intersect->all();

// ['type' => 'screen', 'year' => 2009]
Laravel 8 intersect() {#collection-method}
Laravel 8 isEmpty() {#collection-method}
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