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data_get
函數(shù)使用「.」符號(hào)從多維數(shù)組或?qū)ο笾懈鶕?jù)指定鍵檢索值:
$data = ['products' => ['desk' => ['price' => 100]]];
$price = data_get($data, 'products.desk.price');
// 100
data_get
函數(shù)也接受一個(gè)默認(rèn)值,如果沒有找到指定的鍵,將返回默認(rèn)值:
$discount = data_get($data, 'products.desk.discount', 0);
// 0
這個(gè)函數(shù)也可以使用 「*」 作為通配符匹配鍵名:
$data = [
'product-one' => ['name' => 'Desk 1', 'price' => 100],
'product-two' => ['name' => 'Desk 2', 'price' => 150],
];
data_get($data, '*.name');
// ['Desk 1', 'Desk 2'];
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