MongoCollection
PHP Manual

MongoCollection::findOne

(PECL mongo >=0.9.0)

MongoCollection::findOne — Querys this collection, returning a single element

설명

public array MongoCollection::findOne ([ array $query= array() [, array $fields= array() ]] )

인수

query

The fields for which to search.

fields

Fields of the results to return.

반환값

Returns record matching the search or NULL.

MongoCollection
PHP Manual