Working with PHP PDO and MySQL, there comes a time when you require a Graphical Outcome of your stored data.
I ended up choosing Morris.js library linked with the Raphael.js graphic library to which produces a really good Client professional output.
What I liked about Morris, is its easy output from a Json (string) input. So all it requires is a Json encoded output from the Database at the server then sent to the client-side web browser with the output.
Using the Source examples that I provide as a download, demonstrates how to easily populate Morris Charts dynamically with PDO-PHP using Json with little markup code required. The Source includes examples for a Bar chart, Line chart, Area chart and a Donut chart.
Two methods are found in the source code.
• A Static method connecting directly using only Json static data.
Download the file folder and extract the files. Extract the morris.sql file with PhpMyAdmin or similar into your MySQL database server. Run the index.php file in a XAMPP or WAMP stack. Full Source Code is provided includes Bootstrap 3 versioned files.
Using a PDO connection, PDO - php easily pulls the Server- Side data and using a built in features, convert the data to Json efficiently with minimal code.
The trick is to create the correct Aliases in the SQL statement when calling the Database. The result is a quick and easy way to parse the results into the required Json format to be sent to the Morris Chart.
Let work with the Donut Chart which requires the label and value for each input. We change the sql statement to reflect the ‘ip as label’ and ‘count(*) as value’. This will allow us to prepare and execute the PDO statement. PDO performs all the magic in FETCH_ASSOC using fetchAll.
Pulling the data from the Database requires low overhead. The conversion to Json is quick and easy and sending light- weight data from the Server does not slow the response in the browser.
This project uses MorrisChart.js. The code uses PHP 5.6 and higher.
This project is licensed under the MIT license agreement. This means that you can use the code as you wish commercially or modify as needed.
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