where('service_id', '=', $service_id)->delete(); } public static function deleteLabelAssignedAs($label_id) { DB::table('labels_assigned')->where('label_id', '=', $label_id)->delete(); } public static function insertLabelsAssigned(array $labels_array, string $service_id) { for ($i = 1; $i <= 4; $i++) { if (!is_null($labels_array[($i - 1)])) { DB::insert('INSERT INTO labels_assigned (label_id, service_id) values (?, ?)', [$labels_array[($i - 1)], $service_id]); } } } }