PHP - Manual: MongoDB\BSON\Undefined::__construct
2024-11-15
(mongodb >=1.4.0)
MongoDB\BSON\Undefined::__construct — Construct a new Undefined (unused)
MongoDB\BSON\Undefined objects are created through conversion from a deprecated BSON type and cannot be constructed directly.
此函数没有参数。
官方地址:https://www.php.net/manual/en/mongodb-bson-undefined.construct.php