MongoDB\BSON\Document::has

(mongodb >=1.16.0)

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

Beschreibung

final public MongoDB\BSON\Document::has(string $key): bool

Parameter-Liste

key (string)

The key to look for in the document.

Rückgabewerte

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

Fehler/Exceptions

Siehe auch

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