MongoDB\BSON\Document::offsetExists
(mongodb >=1.17.0)
MongoDB\BSON\Document::offsetExists — Returns whether a key is present in the document
参数
key
-
The key to look for in the document.
参见
- ArrayAccess::offsetExists() - 检查一个偏移位置是否存在
- MongoDB\BSON\Document::has() - Returns whether a key is present in the document
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