MongoDB\BSON\DBPointer::serialize

MongoDB\BSON\DBPointer::unserialize

MongoDB\BSON\DBPointer

MongoDB\BSON\DBPointer::__toString

(mongodb >=1.4.0)

MongoDB\BSON\DBPointer::__toString — Returns an empty string

说明

final public string MongoDB\BSON\DBPointer::__toString ( void )

参数

此函数没有参数。

返回值

Returns an empty string.

错误／异常

Throws MongoDB\Driver\Exception\InvalidArgumentException on argument parsing errors.

参见

» BSON Types

MongoDB\BSON\DBPointer::serialize

MongoDB\BSON\DBPointer::unserialize

MongoDB\BSON\DBPointer