Alcaeus\MongoDbAdapter\Tests\Mongo\MongoDBRefTest::dataIsRef PHP Method

    public static function dataIsRef()
    {
        $objectRef = new \stdClass();
        $objectRef->{'$ref'} = 'coll';
        $objectRef->{'$id'} = 'id';
        return ['validRef' => [true, ['$ref' => 'coll', '$id' => 'id']], 'validRefWithDatabase' => [true, ['$ref' => 'coll', '$id' => 'id', '$db' => 'db']], 'refMissing' => [false, ['$id' => 'id']], 'idMissing' => [false, ['$ref' => 'coll']], 'objectRef' => [true, $objectRef], 'int' => [false, 5]];
    }