Persisting Entities

// get the entity manager that manages this entity
$em = $this->getDoctrine()->
getManagerForClass(MyEntity::class);

// create a new entity
$entity = new MyEntity();

// populate / alter properties
$entity->setName('Default Entity');

// tell Doctrine you want to (eventually) save
$em->persist($entity);

// actually executes the queries
$em->flush();