Php/docs/mongodb-driver-cursorinterface.isdead
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MongoDB\Driver\CursorInterface::isDead
(mongodb >=1.6.0)
MongoDB\Driver\CursorInterface::isDead — Checks if the cursor may have additional results
Description
abstract public MongoDB\Driver\CursorInterface::isDead ( ) : bool
Checks whether the cursor may have additional results available to read. A cursor is initially "alive" but may become "dead" for any of the following reasons:
- Advancing a non-tailable cursor did not return a document
- The cursor encountered an error
- The cursor read its last batch to completion
- The cursor reached its configured limit
This is primarily useful with tailable cursors.
Parameters
This function has no parameters.
Return Values
Returns TRUE
if additional results are not available, and FALSE
otherwise.
Errors/Exceptions
- Throws MongoDB\Driver\Exception\InvalidArgumentException on argument parsing errors.
See Also
- MongoDB\Driver\Cursor::isDead() - Checks if the cursor is exhausted or may have additional results