MongoCursor::__constructMongoCursor::count
(PECL mongo >=0.9.2)
MongoCursor::count — Counts the number of results for this query
Descripción
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.
Parámetros
- foundOnly
-
Send cursor limit and skip information to the count function, if applicable.
Valores devueltos
The number of documents returned by this cursor's query.
Ejemplos
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));
?>
El resultado del ejemplo sería algo similar a:
int(3) int(3) int(3) int(2)
Errores/Excepciones
Throws MongoConnectionException if it cannot reach the database.
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