$str .= "<tr>";
+ // TODO: refactor this entire class, as $weekend_start and $weekend_end
+ // are not what their names suggest (debug with non zero week start to see it).
$weekend_start = 6 - $this->weekStartDay; // Saturday by default.
$weekend_end = (7 - $this->weekStartDay) % 7; // Sunday by default.
if (defined('WEEKEND_START_DAY')) {