lib/Doctrine/ODM/MongoDB/DocumentManager.php
public function flush($document = null, array $options = array())
    {
        if (null !== $document && ! is_object($document) && ! is_array($document)) {
            throw new \InvalidArgumentException(gettype($document));
        }
        $this->errorIfClosed();
        $this->unitOfWork->commit($document, $options);
    }
public function flush($document = null, array $options = array())
    {
        if (null !== $document && ! is_object($document) && ! is_array($document)) {
            throw new \InvalidArgumentException(gettype($document));
        }
        $this->errorIfClosed();
        $this->unitOfWork->commit($document, $options);
    }
public function flush ( $ document = null , array $ options = array ( ) ) { if ( null !== $ document && ! is_object ( $ document ) && ! is_array ( $ document ) ) { throw new \ InvalidArgumentException ( gettype ( $ document ) ) ; } $ this -> errorIfClosed ( ) ; $ this -> unitOfWork -> commit ( $ document , $ options ) ; }
Flushes all changes to objects that have been queued up to now to the database.
This effectively synchronizes the in-memory state of managed objects with the
database.

@param object $document
@param array $options Array of options to be used with batchInsert(), update() and remove()
@throws \InvalidArgumentException
Flushes all changes to objects that have been queued up to now to the database . This effectively synchronizes the in - memory state of managed objects with the database .