MongoDB\BSON\Document::has

(mongodb >=1.16.0)

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

Description

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

Parameters

key (string)

The key to look for in the document.

Return Values

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

Errors/Exceptions

See Also