MongoCursor::count

(PECL mongo >=0.9.2)

MongoCursor::count — Counts the number of results for this query

Descrierea

public MongoCursor::count ([ bool $foundOnly = FALSE ] ) : int

This method does not affect the state of the cursor: if you haven't queried yet, you can still apply limits, skips, etc. If you have started iterating through results, it will not move the current position of the cursor. If you have exhausted the cursor, it will not reset it.

Parametri

foundOnly: Send cursor limit and skip information to the count function, if applicable.

Valorile întoarse

The number of documents returned by this cursor's query.

Exemple

Example #1 MongoCursor::count() example


<?php

$collection->insert(array('x'=>1));
$collection->insert(array('x'=>2));
$collection->insert(array('x'=>3));

$cursor = $collection->find();

var_dump($cursor->count());
var_dump($cursor->count(true));

$cursor->limit(2);

var_dump($cursor->count());
var_dump($cursor->count(true));

?>

Exemplul de mai sus va afișa ceva similar cu:

int(3)
int(3)
int(3)
int(2)

Erori/Excepții

Throws MongoConnectionException if it cannot reach the database.