MongoCursor::count

(PECL mongo >=0.9.2)

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

Descrição

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.

Parâmetros

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

Valor Retornado

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

Exemplos

Exemplo #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));

?>

O exemplo acima irá imprimir algo similar à:

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

Erros

Throws MongoConnectionException if it cannot reach the database.