Donut Chart

This widget function displays a donut chart whenever you call it.

Structure

showDonutChart($chartTitle = "Title Of The Pie Chart", $chartData, $chartSize = "col-md-12")

Parameters

The function accepts 3 parameters that are illustrated below

• Chart Title- This is the title of the chart

• Chart Data- sql query, the query needs to have 2 fields to be used that is: label and value

• Chart Size= This is a bootstrap class for chart size, default is col-md-12

Example Usage

echo showDonutChart("Orders Per Year", sql("SELECT COUNT(*) AS value,YEAR(OrderDate) AS label FROM orders GROUP BY YEAR(OrderDate) ORDER BY YEAR(OrderDate) DESC", $eo), "col-md-6");

In the above chart I have passed in chart title, my sql query and size class

Output

Donut Chart Output