Are there any good open source PHP analytic libraries or classes?

Yes, there are several open-source PHP analytics libraries and classes that you can use for data analysis and reporting. Here are a few notable ones:

1. PhpSpreadsheet:

   • Website: PhpSpreadsheet
   • Description: PhpSpreadsheet is a library for reading and writing spreadsheet files in various formats, including Excel and CSV. It can be useful for handling and analyzing tabular data.

2. PhpMyAdmin:

   • Website: PhpMyAdmin
   • Description: PhpMyAdmin is a web-based tool for managing MySQL and MariaDB databases. While it's primarily a database management tool, it provides features for running SQL queries, exporting data, and generating reports.

3. Chart.js:

   • Website: Chart.js
   • Description: While not a PHP library, Chart.js is a popular JavaScript library for creating interactive and visually appealing charts. You can use PHP to fetch and process data from your server and then use Chart.js to visualize that data on the client side.

4. PHPlot:

   • Website: PHPlot
   • Description: PHPlot is a PHP library for creating various types of plots and charts, including bar charts, line graphs, and pie charts. It can be useful for creating simple visualizations directly in PHP.

5. JpGraph:

   • Website: JpGraph
   • Description: JpGraph is a graph creation library for PHP that supports various chart types. It's designed to create dynamic, interactive, and static charts for web applications.

6. SimpleReports:

   • GitHub Repository: SimpleReports
   • Description: SimpleReports is an open-source PHP reporting tool that allows you to create reports from your MySQL database. It provides a web-based interface for designing and running reports.

Remember to check the documentation and user community for each library to understand their features, compatibility, and how well they fit your specific analytics and reporting needs. Additionally, consider the licensing terms to ensure they align with your project requirements.