bool touch() Update the model's update timestamp.

HasOneOrMany class HasOneOrMany extends

void addConstraints() Set the base constraints on the relation query.

Collection except(mixed $keys)

string getForeignKey() Get the foreign key of the relationship.

static Model forceCreate(array $attributes)

$this setCreatedAt(mixed $value) Set the value of the "created at" attribute

string getKeyName() Get the primary key for the model.

Model getRelated()

BelongsToMany orWherePivot(string