MongoDB\BSON\Document::has
(mongodb >=1.16.0)
MongoDB\BSON\Document::has — Returns whether a key is present in the document
パラメータ
key(string)-
The key to look for in the document.
エラー / 例外
- Throws MongoDB\Driver\Exception\InvalidArgumentException on argument parsing errors.
参考
- MongoDB\BSON\Document::get() - Returns the value of a key in the document
- » BSON Types
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