Generate a cumulative graph
add_filter(‘frm_graph_data’, ‘generate_cumulative_graph’, 10, 2); function generate_cumulative_graph( $data, $atts ) { if ( isset( $atts[‘title’] ) && $atts[‘title’] == ‘Cumulative graph’ ) { for ( $i=2, $l=count($data); $i<$l; $i++ ) { $data[ $i ][1]+= $data[ $i-1 ][1]; } } return $data;…Continue reading