Returns the ID for this cursor

# MongoDB\Driver\CursorInterface::getId

(mongodb >=1.6.0)

MongoDB\Driver\CursorInterface::getId — Returns the ID for this cursor

### Description

abstract public MongoDB\Driver\CursorInterface::getId(): MongoDB\BSON\Int64

Returns the ID for this cursor, which uniquely identifies the cursor on the server.

### Parameters

This function has no parameters.

### Return Values

Returns the ID for this cursor.

### Errors/Exceptions

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

### Changelog

Version | Description
--- | ---
PECL mongodb 1.20.0 | Added MongoDB\BSON\Int64 to the tentative return type for this method. MongoDB\Driver\CursorId will be removed from the return type in version 2.0.

### See Also

- MongoDB\Driver\Cursor::getId() - Returns the ID for this cursor
- MongoDB\Driver\CursorId
- MongoDB\BSON\Int64

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