MongoCollection::countMongoCollection::createDBRef
(PECL mongo >=0.9.0)
MongoCollection::createDBRef — Creates a database reference
Description
public array MongoCollection::createDBRef
( array
$a
)Parameters
-
a -
Object to which to create a reference.
Return Values
Returns a database reference array.
Examples
Example #1 MongoCollection::createDBRef() example
<?php
$songs = $db->songs;
$playlists = $db->playlists;
// create a reference to a song
$manamana = $songs->findOne(array('title' => 'Ma na ma na'));
$refToSong = $songs->createDBRef($manamana);
// add the reference to my playlist
$playlists->update(array('username' => 'me'), array('$push' => array('songlist' => $refToSong)));
?>
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