public function refreshNewDataT() { $i = 0; while ($i <= 15) { $row = TableModel::find($i); if ($row != null) { $x1 = rand(0, 200); $y1 = rand(0, 200); $row->vol1 = $x1 > $y1 ? $x1 : $y1; $row->volz1 = $x1 < $y1 ? $x1 : $y1; $row->cur1 = rand(0, 700); $x2 = rand(0, 750); $y2 = rand(0, 750); $row->vol2 = $x2 > $y2 ? $x2 : $y2; $row->volz2 = $x2 < $y2 ? $x2 : $y2; $row->cur2 = rand(0, 700); $row->save(); } $i++; } }