PHP 8.4.1 Released!

MongoDB\BSON\Document::offsetExists

(mongodb >=1.17.0)

MongoDB\BSON\Document::offsetExistsReturns whether a key is present in the document

说明

final public MongoDB\BSON\Document::offsetExists(mixed $key): bool

参数

key

The key to look for in the document.

返回值

Returns true if the key is present in the document and false otherwise.

参见

添加备注

用户贡献的备注

此页面尚无用户贡献的备注。
To Top