src/bundles/Database/Model.php
protected function belongs_to( $model, $foreign_key = null, $local_key = null )
	{
		return new Model_Relation_BelongsTo( $this, $model, $foreign_key, $local_key );
	}
protected function belongs_to( $model, $foreign_key = null, $local_key = null )
	{
		return new Model_Relation_BelongsTo( $this, $model, $foreign_key, $local_key );
	}
protected function belongs_to ( $ model , $ foreign_key = null , $ local_key = null ) { return new Model_Relation_BelongsTo ( $ this , $ model , $ foreign_key , $ local_key ) ; }
Belongs To releationships

Model Car_Engine:
function car()
{
return $this->belongs_to( 'Car', 'id', 'car_id' );
}

@param Model			$model
@param mixed			$foreign_key
@param mixed			$key
@return array
Belongs To releationships