MongoCursor
PHP Manual

MongoCursor::count

(PECL mongo >=0.9.2)

MongoCursor::countCounts the number of results for this query

Descrizione

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

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 exhasted the cursor, it will not reset it.

Elenco dei parametri

foundOnly

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

Valori restituiti

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

Esempi

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));

?>

Il precedente esempio visualizzerĂ  qualcosa simile a:

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

Errori/Eccezioni

Throws MongoConnectionException if it cannot reach the database.


MongoCursor
PHP Manual