MongoDB\Driver\BulkWrite::count
(mongodb >=1.0.0)
MongoDB\Driver\BulkWrite::count — Count number of write operations in the bulk
Opis
public MongoDB\Driver\BulkWrite::count
( void
) : int
Returns the number of write operations added to the MongoDB\Driver\BulkWrite object.
Parametry
Ta funkcja nie posiada parametrów.
Zwracane wartości
Returns number of write operations added to the MongoDB\Driver\BulkWrite object.
Błędy/Wyjątki
- Rzuca wyjątek MongoDB\Driver\Exception\InvalidArgumentException przy błędach parsowania argumentów.
Rejestr zmian
| Wersja | Opis |
|---|---|
| 1.2.0 | Returns the number of write operations added to the MongoDB\Driver\BulkWrite object. Earlier versions returned the expected number of client-to-server roundtrips required to execute all write operations. |
Przykłady
Przykład #1 MongoDB\Driver\BulkWrite::count() example
<?php
$bulk = new MongoDB\Driver\BulkWrite;
$bulk->insert(['_id' => 1, 'x' => 1]);
$bulk->insert(['_id' => 2, 'x' => 2]);
$bulk->update(['x' => 2], ['$set' => ['x' => 1]]);
$bulk->delete(['x' => 1]);
var_dump(count($bulk));
?>
Powyższy przykład wyświetli:
int(4)
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