MongoDB\Driver\ClientEncryption::getKeyByAltName

(mongodb >=1.15.0)

MongoDB\Driver\ClientEncryption::getKeyByAltName — Gets a key document by an alternate name

final public MongoDB\Driver\ClientEncryption::getKeyByAltName(string $keyAltName): ?object

Finds a single key document in the key vault collection with the given alternate name keyAltName.

Returns the key document, or null if no document matched.

Throws MongoDB\Driver\Exception\InvalidArgumentException on argument parsing errors.
Throws MongoDB\Driver\Exception\ConnectionException if connection to the server fails (for reasons other than authentication).
Throws MongoDB\Driver\Exception\AuthenticationException if authentication is needed and fails.
Throws MongoDB\Driver\Exception\RuntimeException on other errors.