MongoDB\Driver\CursorInterface::isDead

(mongodb >=1.6.0)

MongoDB\Driver\CursorInterface::isDead — Checks if the cursor may have additional results

Descripción

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.

Parámetros

Esta función no tiene parámetros.

Valores devueltos

Returns true if additional results are not available, and false otherwise.

Errores/Excepciones

Lanza una MongoDB\Driver\Exception\InvalidArgumentException en errores de análisis de argumentos.

Ver también

MongoDB\Driver\Cursor::isDead() - Checks if the cursor is exhausted or may have additional results

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