source: code/Website/php-ofc-library/ofc_y_axis.php

<?php

class y_axis extends y_axis_base
{
        function y_axis(){}
        
        /**
         * @param $colour as string. The grid are the lines inside the chart.
         * HEX colour, e.g. '#ff0000'
         */
        function set_grid_colour( $colour )
        {
                $tmp = 'grid-colour';
                $this->$tmp = $colour;
        }
        
}