MongoCollection::__constructMongoCollection::count
(PECL mongo >=0.9.0)
MongoCollection::count — Counts the number of documents in this collection
Descrierea
public int MongoCollection::count
([ array
$query = array()
[, int $limit = 0
[, int $skip = 0
]]] )Parametri
-
query -
Associative array or object with fields to match.
-
limit -
Specifies an upper limit to the number returned.
-
skip -
Specifies a number of results to skip before starting the count.
Valorile întoarse
Returns the number of documents matching the query.
Istoria schimbărilor
| Versiunea | Descriere |
|---|---|
| 1.0.7 |
Added limit and skip
parameters.
|
Exemple
Example #1 MongoCollection::count() example
<?php
$collection->insert(array('x'=>1));
$collection->insert(array('x'=>2));
$collection->insert(array('x'=>3));
var_dump($collection->count());
var_dump($collection->count(array('x'=>1)));
?>
Exemplul de mai sus va afișa ceva similar cu:
int(3) int(1)
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