PHP Manual
MongoDB\BSON\Document
Returns whether a key is present in the document

MongoDB\BSON\Document::offsetExists

(mongodb >=1.17.0)

MongoDB\BSON\Document::offsetExists — Returns whether a key is present in the document

Description

final public MongoDB\BSON\Document::offsetExists(mixed $key): bool

Parameters

key: The key to look for in the document.

Return Values

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

See Also

ArrayAccess::offsetExists() - Whether an offset exists
MongoDB\BSON\Document::has() - Returns whether a key is present in the document