public function testCreate() { $collection = "d"; $id = 123; $db = "phpunit_temp"; $ref = MongoDBRef::create($collection, $id); $this->assertEquals("d", $ref['$ref'], json_encode($ref)); $this->assertEquals(123, $ref['$id'], json_encode($ref)); $this->assertArrayNotHasKey('$db', $ref, json_encode($ref)); $ref = MongoDBRef::create($collection, $id, $db); $this->assertEquals("d", $ref['$ref'], json_encode($ref)); $this->assertEquals(123, $ref['$id'], json_encode($ref)); $this->assertEquals("phpunit_temp", $ref['$db'], json_encode($ref)); // test converting to strings $ref = MongoDBRef::create(1, 2, 3); $this->assertEquals("1", $ref['$ref'], json_encode($ref)); $this->assertEquals(2, $ref['$id'], json_encode($ref)); $this->assertEquals("3", $ref['$db'], json_encode($ref)); // more for tracking this behavior than condoning it... $one = 1; $two = 2; $three = 3; $ref = MongoDBRef::create(1, 2, 3); $this->assertEquals("1", $one); $this->assertEquals(2, $two); $this->assertEquals("3", $three); }
public function InsertCollection($obj, $id) { //Insert obj values into Collection if (!is_null($obj) || !is_null($this->Collect)) { $this->Collect->remove(); } if (!is_null($id)) { $obj['_id'] = $id; } echo $obj["Thing"]; $Recipe = $obj["Recipe"]; $RecipeCollection = $this->dbObj->selectCollection("RecipeTest"); $RecipeCollection->Insert($Recipe); //echo $Recipe['_id'].'\n'; $RecipeRef = MongoDBRef::create($RecipeCollection->getName(), $Recipe['_id']); $CreativeWork = $obj["CreativeWork"]; $CreativeWork["RecipeReference"] = $RecipeRef; $CreativeWorkCollection = $this->dbObj->selectCollection("CreativeWorkTest"); $CreativeWorkCollection->Insert($CreativeWork); //echo $CreativeWork['_id']; $CreativeWrokRef = MongoDBRef::create($CreativeWorkCollection->getName(), $CreativeWork['_id']); $thing = $obj["Thing"]; $thing["CreativeWorkRef"] = $CreativeWrokRef; $thingCollection = $this->dbObj->selectCollection("Thingtest"); $thingCollection->Insert($thing); //Back ref $recipeback = $this->dbObj->RecipeTest; $RecipeResult = $recipeback->findOne(array("ingredients" => "suth")); echo 'Result' . $RecipeResult['_id']; print_r($RecipeResult); $CWback = $this->dbObj->CreativeWorkTest; //$CWbackResult = MongoDBRef::get($CWback->db, $RecipeResult['_id']); $CWbackResult = $CWback->findOne(array("about" => "test1")); print_r($CWbackResult); }
public function testShouldReturnLazyLoadingCursor() { $parentCategory = new Category(); $parentCategory->setName('Parent category'); $parentCategory->setDesc('Parent category'); $parentCategory->save(); for ($i = 0; $i < 10; $i++) { $category = new Category(); $category->setName('Category ' . $i); $category->setDesc('Category ' . $i . ' desc'); $category->setCategory($parentCategory); $category->save(); } Category::enableLazyLoading(); $categories = Category::find([['category' => ['$ne' => null]]]); $this->assertInstanceOf('\\Vegas\\Odm\\Collection\\LazyLoadingCursor', $categories); foreach ($categories as $category) { $this->assertInstanceOf('\\Fixtures\\Collection\\Category', $category); $this->assertInstanceOf('\\Fixtures\\Collection\\Category', $category->getCategory()); } $categories = Category::find([['category' => ['$ne' => null]]]); $this->assertInstanceOf('\\Vegas\\Odm\\Collection\\LazyLoadingCursor', $categories); foreach ($categories as $category) { $this->assertInstanceOf('\\Fixtures\\Collection\\Category', $category); $reflectionClass = new \ReflectionClass(get_class($category)); $categoryProperty = $reflectionClass->getProperty('category'); $categoryProperty->setAccessible(true); $this->assertTrue(\MongoDBRef::isRef($categoryProperty->getValue($category))); } }
/** * Creates a new database reference * * @param string|\Phalcon\Mvc\Collection $collection * @param mixed|\MongoId|\Phalcon\Mvc\Collection $id * @param string $database * @return array */ public static function create($collection, $id = null, $database = null) { if ($collection instanceof \Phalcon\Mvc\Collection) { $id = $collection->getId(); $collection = $collection->getSource(); } if ($id instanceof \Phalcon\Mvc\Collection) { $id = $id->getId(); } if (is_array($collection) && self::isRef($collection)) { if (isset($collection['$id'])) { $id = $collection['$id']; } if (isset($collection['$ref'])) { $collection = $collection['$ref']; } } if (!$id instanceof \MongoId && $id !== null) { $id = new \MongoId($id); } if ($collection instanceof \MongoId) { return $collection; } if ($id === null) { return null; } return parent::create($collection, $id, $database); }
/** * Returns true if the value passed appears to be a Mongo database reference * * @param mixed $obj * @return boolean **/ static function isRef($value) { if (!is_array($value)) { return false; } return MongoDBRef::isRef($value); }
/** * method to convert plans names into their refs * triggered before save the rate entity for edit * * @param Mongodloid collection $collection * @param array $data * * @return void * @todo move to model */ public function update($data) { if (isset($data['rates'])) { $plansColl = Billrun_Factory::db()->plansCollection(); $currentDate = new MongoDate(); $rates = $data['rates']; //convert plans foreach ($rates as &$rate) { if (isset($rate['plans'])) { $sourcePlans = (array) $rate['plans']; // this is array of strings (retreive from client) $newRefPlans = array(); // this will be the new array of DBRefs unset($rate['plans']); foreach ($sourcePlans as &$plan) { if (MongoDBRef::isRef($plan)) { $newRefPlans[] = $plan; } else { $planEntity = $plansColl->query('name', $plan)->lessEq('from', $currentDate)->greaterEq('to', $currentDate)->cursor()->setReadPreference(Billrun_Factory::config()->getConfigValue('read_only_db_pref'))->current(); $newRefPlans[] = $planEntity->createRef($plansColl); } } $rate['plans'] = $newRefPlans; } } $data['rates'] = $rates; } return parent::update($data); }
public function getReference() { $collection = collection::forClass($this->_className)->select(); if (null != $this->_model) { $this->_model->save(); } $id = $this->getId(); return \MongoDBRef::create($collection->getName(), $id, (string) $collection->db); }
public function testRef() { ini_set("mongo.cmd", ":"); $this->object->insert(array("_id" => 123, "hello" => "world")); $this->object->insert(array("_id" => 456, "ref" => array(":ref" => "bar", ":id" => 123))); $ref = $this->object->findOne(array("_id" => 456)); $obj = MongoDBRef::get($this->object->db, $ref["ref"]); $this->assertNotNull($obj); $this->assertEquals("world", $obj["hello"], json_encode($obj)); }
function __construct(Glutton $glutton, $data = null, AxonCollection $parent = null, $position = null) { $this->_glutton = $glutton; if (\MongoDBRef::isRef($data)) { $this->_reference = Reader::simplifyReference($data); $data = array_diff_key($data, $this->_reference); } $this->_elements = $data; $this->_parent = $parent; $this->_position = $position; }
/** * Import an account. * * @param string $username The username to use. * @param string $password The password to use. */ public function import($username, $password) { $data = $this->get($username); $this->db->remove(array('username' => $this->clean($username))); $users = new users(ConnectionFactory::get('mongo')); $id = $users->create($username, $password, $data['email'], $data['hideEmail'], $this->groups[$data['mgroup']], true); $newRef = MongoDBRef::create('users', $id); $oldRef = MongoDBRef::create('unimportedUsers', $data['_id']); $this->mongo->news->update(array('user' => $oldRef), array('$set' => array('user' => $newRef))); $this->mongo->articles->update(array('user' => $oldRef), array('$set' => array('user' => $newRef))); self::ApcPurge('get', $data['_id']); }
public function populateDb() { $this->_users = array('bob' => array('_id' => new MongoId('4c04516a1f5f5e21361e3ab0'), '_type' => array('My_ShantyMongo_Teacher', 'My_ShantyMongo_User'), 'name' => array('first' => 'Bob', 'last' => 'Jones'), 'addresses' => array(array('street' => '19 Hill St', 'suburb' => 'Brisbane', 'state' => 'QLD', 'postcode' => '4000', 'country' => 'Australia'), array('street' => '742 Evergreen Terrace', 'suburb' => 'Springfield', 'state' => 'Nevada', 'postcode' => '89002', 'country' => 'USA')), 'friends' => array(MongoDBRef::create('user', new MongoId('4c04516f1f5f5e21361e3ab1')), MongoDBRef::create('user', new MongoId('4c0451791f5f5e21361e3ab2')), MongoDBRef::create('user', new MongoId('broken reference'))), 'faculty' => 'Maths', 'email' => '*****@*****.**', 'sex' => 'M', 'partner' => MongoDBRef::create('user', new MongoId('4c04516f1f5f5e21361e3ab1')), 'bestFriend' => MongoDBRef::create('user', new MongoId('4c0451791f5f5e21361e3ab2'))), 'cherry' => array('_id' => new MongoId('4c04516f1f5f5e21361e3ab1'), '_type' => array('My_ShantyMongo_Student', 'My_ShantyMongo_User'), 'name' => array('first' => 'Cherry', 'last' => 'Jones'), 'email' => '*****@*****.**', 'sex' => 'F', 'concession' => true), 'roger' => array('_id' => new MongoId('4c0451791f5f5e21361e3ab2'), '_type' => array('My_ShantyMongo_ArtStudent', 'My_ShantyMongo_Student', 'My_ShantyMongo_User'), 'name' => array('first' => 'Roger', 'last' => 'Smith'), 'email' => '*****@*****.**', 'sex' => 'M', 'concession' => false)); $this->_userCollection = $this->_connection->selectDb(TESTS_SHANTY_MONGO_DB)->selectCollection('user'); foreach ($this->_users as $user) { $this->_userCollection->insert($user, true); } $this->_articles = array('regular' => array('_id' => new MongoId('4c04516f1f5f5e21361e3ac1'), 'title' => 'How to use Shanty Mongo', 'author' => MongoDBRef::create('user', new MongoId('4c04516a1f5f5e21361e3ab0')), 'editor' => MongoDBRef::create('user', new MongoId('4c04516f1f5f5e21361e3ab1')), 'contributors' => array(MongoDBRef::create('user', new MongoId('4c04516f1f5f5e21361e3ab1')), MongoDBRef::create('user', new MongoId('4c0451791f5f5e21361e3ab2'))), 'relatedArticles' => array(MongoDBRef::create('article', new MongoId('4c04516f1f5f5e21361e3ac2'))), 'tags' => array('awesome', 'howto', 'mongodb')), 'broken' => array('_id' => new MongoId('4c04516f1f5f5e21361e3ac2'), 'title' => 'How to use Bend Space and Time', 'author' => MongoDBRef::create('user', new MongoId('broken_reference')), 'tags' => array('physics', 'hard', 'cool'))); $this->_articleCollection = $this->_connection->selectDb(TESTS_SHANTY_MONGO_DB)->selectCollection('article'); foreach ($this->_articles as $article) { $this->_articleCollection->insert($article, true); } }
/** * Transform the value in a MongoDBRef if needed * @param $attr * @param $value * @return mixed */ protected function _val($attr, $value) { $reference = \Rocketr\Schema\Reference::get($this->get_collection_name(), $attr); $collection = \Rocketr\Schema\HasCollection::get($this->get_collection_name(), $attr); if ($reference xor $collection) { $ref_attr = \Rocketr\Schema\Map::on($this->get_collection_name(), $attr); $_id = is_array($value) && isset($value[$ref_attr]) || is_object($value) && $value->{$ref_attr} ? is_array($value) ? $value[$ref_attr] : $value->{$ref_attr} : $value; $target = $reference ? $reference : $collection; $_id = $ref_attr == '_id' && \MongoId::isValid($_id) ? new \MongoId($_id) : $_id; return \MongoDBRef::create($target, $_id); } else { return $value; } }
/** * for every rate who has ref to original plan add ref to new plan * @param type $source_id * @param type $new_id */ public function duplicate_rates($source_id, $new_id) { $rates_col = Billrun_Factory::db()->ratesCollection(); $source_ref = MongoDBRef::create("plans", $source_id); $dest_ref = MongoDBRef::create("plans", $new_id); $usage_types = Billrun_Factory::config()->getConfigValue('admin_panel.line_usages'); foreach ($usage_types as $type => $string) { $attribute = "rates." . $type . ".plans"; $query = array($attribute => $source_ref); $update = array('$push' => array($attribute => $dest_ref)); $params = array("multiple" => 1); $rates_col->update($query, $update, $params); } }
/** * Creates a new database reference * * @param string|\Phalcon\Mvc\Collection $collection * @param mixed|\MongoId|\Phalcon\Mvc\Collection $id * @param string $database * @return array */ public static function create($collection, $id = null, $database = null) { if ($collection instanceof \Phalcon\Mvc\Collection) { $id = $collection->getId(); $collection = $collection->getSource(); } if ($id instanceof \Phalcon\Mvc\Collection) { $id = $id->getId(); } if (!$id instanceof \MongoId && $id !== null) { $id = new \MongoId($id); } return parent::create($collection, $id, $database); }
public function setReference($name, Base $object = null) { if (!in_array($name, static::$_references)) { throw new Exception("Document doesn't reference {$name}"); } $this->_referenced[$name] = $object; if ($object === null) { $this->_data[$name] = null; } else { $class = get_class($object); $this->_data[$name] = \MongoDBRef::create($class::collection()->getName(), $object->mongoId()); } $this->_flagAttributeAsModified($name); }
public function testExtendedDBRef() { $targetCollection = $this->getCollection('simpleTarget'); $targetId = new \MongoId(); $extends = []; list($ref, $sourceDocument) = $this->createReferencedDocument($extends, true); //extending by embedding some data $ref['data'] = $sourceDocument['data']; $targetDocument = ['_id' => $targetId, 'ref' => $ref, 'text' => 'amasource']; $targetCollection->save($targetDocument); $targetDocumentFromDB = $targetCollection->findOne(['_id' => $targetId]); $this->assertTrue(\MongoDBRef::isRef($targetDocumentFromDB['ref'])); $sourceDocumentFromDB = $this->getSourceCollection()->getDBRef($targetDocumentFromDB['ref']); $this->assertEquals($sourceDocument, $sourceDocumentFromDB); $this->assertEquals($sourceDocumentFromDB['data'], $targetDocumentFromDB['ref']['data']); }
/** * Returns corresponding object indicated by MongoDBRef * * @param $fieldName * @return mixed * @throws InvalidReferenceException */ public function readRef($fieldName) { $oRef = $this->readNestedAttribute($fieldName); if (!\MongoDBRef::isRef($oRef)) { throw new InvalidReferenceException(); } if (isset($this->dbRefs) && isset($this->dbRefs[$fieldName])) { $modelInstance = $this->instantiateModel($this->dbRefs[$fieldName]); } else { if ($this->getDI()->has('mongoMapper')) { $modelInstance = $this->getDI()->get('mongoMapper')->resolveModel($oRef['$ref']); } else { return $oRef; } } return forward_static_call(array($modelInstance, 'findById'), $oRef['$id']); }
public function createReferencedDocument($sourceDocument = null, $refIsFull = true) { $sourceCollection = $this->getSourceCollection(); $sourceId = new \MongoId(); $identity = ['_id' => $sourceId, 'data' => md5(rand(0, time()))]; if (is_array($sourceDocument)) { $sourceDocument = array_merge($sourceDocument, $identity); } else { $sourceDocument = $identity; } $sourceCollection->save($sourceDocument); if ($refIsFull) { return [\MongoDBRef::create($sourceCollection->getName(), $sourceId, $sourceCollection->db), $sourceDocument]; } else { return [\MongoDBRef::create($sourceCollection->getName(), $sourceId), $sourceDocument]; } }
/** * @depends testReferences */ public function testDeferencing() { $d = new Model1(); $d->where('a', 'barfoo'); foreach ($d as $doc) { $this->assertTrue(isset($doc->next)); $this->assertTrue(MongoDBRef::isRef($doc->next)); $this->assertTrue(MongoDBRef::isRef($doc->nested[0])); $this->assertTrue(MongoDBRef::isRef($doc->nested[1])); $this->assertTrue(MongoDBRef::isRef($doc->query)); /* Check dynamic references properties */ $this->assertTrue(is_array($doc->query['dynamic'])); $this->assertTrue(count($doc->query['dynamic']) > 0); /* Deference */ $doc->doDeferencing(); /* Test deferenced values */ $this->assertTrue($doc->next instanceof Model1); $this->assertTrue($doc->nested[0] instanceof Model1); $this->assertTrue($doc->nested[1] instanceof Model1); $this->assertTrue(is_array($doc->query)); $this->assertTrue($doc->query[0] instanceof Model1); /* Testing mongodb refs */ $this->assertTrue(is_array($doc->mdbref)); foreach ($doc->mdbref as $property => $value) { if ($property == '_id') { $this->assertEquals($value, $doc->next->getID()); continue; } else { $this->assertEquals($value, $doc->next->{$property}); continue; } $this->assertTrue(FALSE); } /* Testing Iteration in defered documents */ /* They should fail because they are cloned */ /* instances of a real document */ try { $doc->next->next(); $this->assertTrue(FALSE); } catch (ActiveMongo_Exception $e) { $this->assertTrue(TRUE); } } }
public function walk($record) { if (!$this->started) { $this->clear(); $this->started = true; } else { throw new \RuntimeException('Reader was already started. To run new scan please invoke clear() method'); } if (is_array($record)) { if (\MongoDBRef::isRef($record)) { $this->references['*'] = self::simplifyReference($record); } array_walk($record, $this); } elseif (is_object($record)) { $this->walk_object($record); } else { throw new \InvalidArgumentException('Record for scan must be an object or an array'); } }
/** * Sets up the fixture, for example, opens a network connection. * This method is called before a test is executed. * * @access protected */ protected function setUp() { if (file_exists('tests/classic.jpg')) { unlink('tests/classic.jpg'); } $db = $this->sharedFixture->selectDB('phpunit'); $grid = $db->getGridFS('_files', '_chunks'); $grid->drop(); $files = $db->selectCollection('_files'); $chunks = $db->selectCollection('_chunks'); $chunk4 = array('cn' => 4, 'data' => new MongoBinData('xyz')); $chunks->insert($chunk4); $chunk3 = array('cn' => 3, 'data' => new MongoBinData('rst'), 'next' => MongoDBRef::create($chunks->getName(), $chunk4['_id'])); $chunks->insert($chunk3); $chunk2 = array('cn' => 2, 'data' => new MongoBinData('lmno'), 'next' => MongoDBRef::create($chunks->getName(), $chunk3['_id'])); $chunks->insert($chunk2); $chunk1 = array('cn' => 1, 'data' => new MongoBinData('abc'), 'next' => MongoDBRef::create($chunks->getName(), $chunk2['_id'])); $chunks->insert($chunk1); $files->insert(array("filename" => "classic.jpg", "contentType" => "image/jpeg", "length" => 4, "chunkSize" => 4, "next" => MongoDBRef::create($chunks->getName(), $chunk1['_id']))); $file = $grid->findOne(); $this->object = new MongoGridFSFileClassic($file); $this->object->start = memory_get_usage(true); }
/** * method to load Mongo DB reference object * * @param MongoDBRef $ref the reference object * * @return array */ public function getRef($ref) { if (!MongoDBRef::isRef($ref)) { return; } if (!$ref['$id'] instanceof MongoId) { $ref['$id'] = new MongoId($ref['$id']); } return new Mongodloid_Entity($this->_collection->getDBRef($ref)); }
/** * Utility function to expand any DBRefs present in a document * * @param mixed The document to scan for DBRefs instances * @return void * @access private */ private function _deref(&$data) { foreach ($data as $key => $value) { if (is_object($value) || is_array($value)) { if (is_object($data)) { $data->{$key} = $this->_deref($value); } else { $data[$key] = $this->_deref($value); } } if (MongoDBRef::isRef($value)) { if (is_object($data)) { $data->{$key} = $this->_db->getDBRef($value); } else { $data[$key] = $this->_db->getDBRef($value); } } } return $data; }
<?php // Helper functions and includs include_once '/var/www/html/Lux/Core/Helper.php'; $db = new Db("Inventory"); $OUTPUT = new Output(); $REQUEST = new Request(); $collection = $db->selectCollection("Cart"); $RULES = new Rules(1, "cart"); $REQUEST = new Request(); // get the asset, push it into the cart that is selected $collectionName = $REQUEST->get("collection", "Standard"); $cartName = $REQUEST->get("wishlist", "Default"); $document = $collection->findAndModify(array("user_id" => $RULES->getId()), array('$push' => array("wishlist." . $cartName => MongoDBRef::create($collectionName, $REQUEST->get("id"), "Assets")))); // Used for analytics $LOG = new Logging("Cart.order"); $LOG->log($RULES->getId(), 43, $REQUEST->get("id"), 100, "User Wished for item"); $OUTPUT->success(0, $document, null);
public function testIsRef() { $this->assertFalse(MongoDBRef::isRef(array())); $this->assertFalse(MongoDBRef::isRef(array('$ns' => 'foo', '$id' => 'bar'))); $ref = $this->object->createDBRef('foo.bar', array('foo' => 'bar')); $this->assertEquals(NULL, $ref); $ref = array('$ref' => 'blog.posts', '$id' => new MongoId('cb37544b9dc71e4ac3116c00')); $this->assertTrue(MongoDBRef::isRef($ref)); }
/** * Test ExtReference::closureToPHP() * * @return void */ public function testClosureToPHP() { $this->assertEqualsClosure(ExtReference::create(__METHOD__, __FILE__), \MongoDBRef::create(__METHOD__, __FILE__), $this->type->closureToPHP()); $this->assertEqualsClosure(null, null, $this->type->closureToPHP()); }
/** * -------------------------------------------------------------------------------- * Create Database Reference * -------------------------------------------------------------------------------- * * Create mongo dbref object to store later * * @usage : $ref = $this->mongo_db->create_dbref($collection, $id); */ public function create_dbref($collection = "", $id = "", $database = FALSE) { if (empty($collection)) { show_error("In order to retreive documents from MongoDB, a collection name must be passed", 500); } if (empty($id) or !isset($id)) { show_error('To use MongoDBRef::create() ala create_dbref() you must pass a valid id field of the object which to link', 500); } $db = $database ? $database : $this->db; if ($this->CI->config->item('mongo_return') == 'object') { return (object) MongoDBRef::create($collection, $id, $db); } else { return (array) MongoDBRef::create($collection, $id, $db); } }
public function get() { if (func_num_args() == 0) { return $this->_values; } $key = func_get_arg(0); if ($key == '_id') { return $this->getId(); } $getRef = func_num_args() > 1 ? func_get_arg(1) : false; $key = preg_replace('@\\[([^\\]]+)\\]@', '.$1', $key); $result = $this->_values; // if this is chained key, let's pull it if (strpos($key, '.') !== FALSE) { do { list($current, $key) = explode('.', $key, 2); if (isset($result[$current])) { $result = $result[$current]; } else { // if key is not in the values, let's return null -> not found key return null; } } while (strpos($key, '.') !== FALSE); } if (!isset($result[$key])) { return null; } if (!$getRef) { //lazy load MongoId Ref objects or MongoDBRef //http://docs.mongodb.org/manual/reference/database-references/ if ($result[$key] instanceof MongoId && $this->collection()) { $result[$key] = $this->collection()->findOne($result[$key]['$id']); } else { if (MongoDBRef::isRef($result[$key])) { $result[$key] = $this->loadRef($result[$key]); } } } return $result[$key]; }
/** * Convert data changes into operations * * @param array $data */ public function processChanges(array $data = array()) { foreach ($data as $property => $value) { if ($property === '_id') { continue; } if (!array_key_exists($property, $this->_cleanData)) { $this->addOperation('$set', $property, $value); continue; } $newValue = $value; $oldValue = $this->_cleanData[$property]; if (MongoDBRef::isRef($newValue) && MongoDBRef::isRef($oldValue)) { $newValue['$id'] = $newValue['$id']->__toString(); $oldValue['$id'] = $oldValue['$id']->__toString(); } if ($newValue !== $oldValue) { $this->addOperation('$set', $property, $value); } } foreach ($this->_cleanData as $property => $value) { if (array_key_exists($property, $data)) { continue; } $this->addOperation('$unset', $property, 1); } }
/** * Creates a database reference * * @link http://www.php.net/manual/en/mongocollection.createdbref.php * @param array|object $document_or_id Object to which to create a reference. * @return array Returns a database reference array. */ public function createDBRef($document_or_id) { if ($document_or_id instanceof \MongoId) { $id = $document_or_id; } elseif (is_object($document_or_id)) { if (!isset($document_or_id->_id)) { return null; } $id = $document_or_id->_id; } elseif (is_array($document_or_id)) { if (!isset($document_or_id['_id'])) { return null; } $id = $document_or_id['_id']; } else { $id = $document_or_id; } return MongoDBRef::create($this->name, $id); }