MongoDBRef::get

(PECL mongo >= 0.9.0)

MongoDBRef::get — Fetches the object pointed to by a reference

说明

public static array MongoDBRef::get ( MongoDB $db , array $ref )

参数

db: Database to use.
ref: Reference to fetch.

返回值

Returns the document to which the reference refers or NULL if the document does not exist (the reference is broken).

范例

Example #1 MongoCollection::createDBRef() example


<?php

// get $person out of the db
$person = $people->findOne();

// dereference the address
$address = MongoDBRef::get($people->db, $person['address']);

?>

参见

MongoDB::getDBRef() - Fetches the document pointed to by a database reference
MongoCollection::getDBRef() - Fetches the document pointed to by a database reference