function labsSuggestion($subject, $n, $id) { $subject = \App\Subjects::select('id')->where('name', $subject)->first()->toArray(); $rel = App\SubjectsLabs::where('subject_id', $subject['id'])->where('lab_id', '<>', $id)->take($n)->get(); $labs = []; foreach ($rel as $one) { $lab = App\Labs::find($one->lab_id); array_push($labs, $lab); } return $labs; }