MongoGridFSCursor
PHP Manual

MongoGridFSCursor::key

Returns the current result's filename

Description

public string MongoGridFSCursor::key ( void )

Parameters

This function has no parameters.

Return Values

The current result's _id as a string.

Changelog

Version Description
1.3.0 The document's _id is returned as a string value, since the key should be unique. Pre-1.3.0, filename was returned.