public isForeignKey () Check whether the relation act as a foreign key

public getIntermediateModel () Gets the intermediate model for has-*-through relations

public array getParams () Returns parameters that must be always used when the related records are obtained

implements Phalcon\Mvc\Model\Relatio

public isReusable () Check if records returned by getting belongs-to/has-many are implicitly cached during the current request

public getOption (mixed $name) Returns an option by the specified name If the option doesn’t exist null is returned

integer NO_ACTION

public string | array getReferencedFields () Returns the referenced fields

integer ACTION_RESTRICT

public isThrough () Check whether the relation is a ‘many-to-many’ relation or not