findOne return is not array about mongo-php-library

[Liudon]

I found the solution. use the "typeMap" option.

<?php

// This path should point to Composer's autoloader
require_once __DIR__ . "/vendor/autoload.php";

$manager = new MongoDB\Driver\Manager("mongodb://localhost:27017");
$options = array(
    'typeMap' => array(
        'root' => 'array',
        'document' => 'array',
    ),
);
$collection = new MongoDB\Collection($manager, "db.abc", $options);
$sunnyvale = $collection->findOne(array("id" => 94086));
var_dump($sunnyvale);

?>

[Liudon]

the method "find" return is object. and "typeMap" option does not work.

[globules-io]

findOne has always returned an Object while find returns an array. I believe it has always been like this. Otherwise use find with limit 1 to get an array

[jmikola]

As of 1.0.0-beta2, find() and aggregate() also take a typeMap option, which is applied to the returned cursor. Alternatively, you could call setTypeMap() yourself before iterating.

Furthermore, the Client, Database, and Collection objects can also be constructed with a typeMap option, which will be applied by default to relevant operations within each class (as we already do with write concerns and read preferences). The option is also inherited by selected "children" (e.g. the Database returned from Client::selectDatabase() will inherit the Client's options).

As noted in the 1.0.0-beta2 release notes, we intend to have a more user-friendly default type map, so documents and arrays may be returned as ArrayObjects instead of stdClass and array, respectively. This will allow us to ensure we preserve their BSON types when going back to the database (i.e. object data can be cast back to stdClass and arrays can be filtered through array_values() to be numerically reindexed). This is being tracked in #78 and PHPLIB-74.

[jmikola]

#78 is merged, so we're now returning ArrayObject instances for BSON document and array types, each of which handle BSON serialization for documents and arrays on the way back into the database. With this change, you can use array access on both types (e.g. $result['field'] or $array[2]) and you should still be able to use property syntax on documents $result->field, provided some BC for people that have now gotten used to working with stdClass instances.

Expect a 1.0.0 release with these new defaults soon.