/** * Run the database seeds. * * @return void */ public function run() { $maxParticipantID = Participant::count(); $maxTrialID = Trial::count(); for ($i = 0; $i < 1000; $i++) { $p = new Participation(); $p->participant_id = rand(1, $maxParticipantID); $p->trial_id = rand(1, $maxTrialID); $p->save(); } // }