-$table->addColumn(new TableColumn($dayHeaders['day_header_0'], $dayHeaders['day_header_0'], new TimeCellRenderer(), $dayTotals[$dayHeaders['day_header_0']]));
-$table->addColumn(new TableColumn($dayHeaders['day_header_1'], $dayHeaders['day_header_1'], new TimeCellRenderer(), $dayTotals[$dayHeaders['day_header_1']]));
-$table->addColumn(new TableColumn($dayHeaders['day_header_2'], $dayHeaders['day_header_2'], new TimeCellRenderer(), $dayTotals[$dayHeaders['day_header_2']]));
-$table->addColumn(new TableColumn($dayHeaders['day_header_3'], $dayHeaders['day_header_3'], new TimeCellRenderer(), $dayTotals[$dayHeaders['day_header_3']]));
-$table->addColumn(new TableColumn($dayHeaders['day_header_4'], $dayHeaders['day_header_4'], new TimeCellRenderer(), $dayTotals[$dayHeaders['day_header_4']]));
-$table->addColumn(new TableColumn($dayHeaders['day_header_5'], $dayHeaders['day_header_5'], new TimeCellRenderer(), $dayTotals[$dayHeaders['day_header_5']]));
-$table->addColumn(new TableColumn($dayHeaders['day_header_6'], $dayHeaders['day_header_6'], new TimeCellRenderer(), $dayTotals[$dayHeaders['day_header_6']]));
+for ($i = 0; $i < 7; $i++) {
+ $table->addColumn(new TableColumn($dayHeaders[$i], $dayHeaders[$i], new TimeCellRenderer(), $dayTotals[$dayHeaders[$i]]));
+}