MongoDB\BSON\Document::has
(mongodb >=1.16.0)
MongoDB\BSON\Document::has — Returns whether a key is present in the document
Liste de paramètres
-
key(string) -
The key to look for in the document.
Valeurs de retour
Returns true if the key is present in the document and false otherwise.
Erreurs / Exceptions
- Lance une exception MongoDB\Driver\InvalidArgumentException lors d'une erreur survenue pendant l'analyse d'un argument.
Voir aussi
- MongoDB\BSON\Document::get() - Returns the value of a key in the document
- » BSON Types
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