MongoCollection::findOne
MongoCollection::getIndexInfo
MongoCollection
PHP Manual

# MongoCollection::getDBRef

(PECL mongo >=0.9.0)

MongoCollection::getDBRef — Fetches a database reference

### Descripción

public array MongoCollection::getDBRef ( array `$ref` )

### Lista de parámetros

`ref`

  A database reference.

### Valores retornados

Returns the database document pointed to by the reference.

MongoCollection::findOne
MongoCollection::getIndexInfo
MongoCollection
PHP Manual