MongoDB\BSON\Document::has
Returns whether a key is present in the document
Description
final public bool MongoDB\BSON\Document::has(string $key)
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
- Throws MongoDB\Driver\Exception\InvalidArgumentException on argument parsing errors.