To elaborate on the selected answer, if your relationships also have child relationships that must be deleted, you have to retrieve all child relationship records first, then call the delete() method so their delete events are fired properly as well.
You can do this easily with higher order messages.
class User extends Eloquent
{
/**
* The "booting" method of the model.
*
* @return void
*/
public static function boot() {
parent::boot();
static::deleting(function($user) {
$user->photos()->get()->each->delete();
});
}
}
You can also improve performance by querying only the relationships ID column:
class User extends Eloquent
{
/**
* The "booting" method of the model.
*
* @return void
*/
public static function boot() {
parent::boot();
static::deleting(function($user) {
$user->photos()->get(['id'])->each->delete();
});
}
}