Php/docs/mongodb-bson-undefined.construct

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MongoDB\BSON\Undefined::__construct

(mongodb >=1.4.0)

MongoDB\BSON\Undefined::__constructConstruct a new Undefined (unused)


说明

final private MongoDB\BSON\Undefined::__construct ( )

MongoDB\BSON\Undefined objects are created through conversion from a deprecated BSON type and cannot be constructed directly.


参数

此函数没有参数。