findByFromStartToEnd

public function findByFromStartToEnd() {
	$query = $this->createQuery();
	$constraints = null;
	$constraints[] =  $query->equals('hidden', 0);
	$constraints[] =  $query->equals('deleted', 0);
	$constraints[] =  $query->lessThanOrEqual('start_date', date('Y-m-d'));
	$constraints[] =  $query->greaterThanOrEqual('end_date', date('Y-m-d'));
	return $query->matching(
		$query->logicalAnd( $constraints)
	)->execute();
}