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MongoDB\BSON\Undefined::__toString

PHP function Edit on GitHub ✎

(mongodb >=1.4.0)

Returns an empty string

Description

MongoDB\BSON\Undefined::__toString(): string

Parameters Parameters

Return Values

Returns an empty string.

See Also

  • BSON Types

Source: reference/mongodb/bson/undefined/tostring.xml · from the official PHP manual (php/doc-en)