Doctrine\ORM\UnitOfWork::remove PHP Method

    public function remove($entity)
    {
        $visited = array();
        $this->doRemove($entity, $visited);
    }

 /**
  * Removes an entity instance.
  *
  * A removed entity will be removed from the database at or before transaction commit
  * or as a result of the flush operation.
  *
  * @param object $entity The entity instance to remove.
  */
 public function remove($entity)
 {
     if (!is_object($entity)) {
         throw ORMInvalidArgumentException::invalidObject('EntityManager#remove()', $entity);
     }
     $this->errorIfClosed();
     $this->unitOfWork->remove($entity);
 }