MongoDB\Driver\CursorInterface::isDead

(mongodb >=1.6.0)

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

Descrizione

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.

Elenco dei parametri

Questa funzione non contiene parametri.

Valori restituiti

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

Errori/Eccezioni

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

Vedere anche:

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

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