The PHP 4 style of object creation is still supported, but you are encouraged to use the new magic method approach. PHP 5 deprecates some existing object-related functions.

PHP 7.x brings several improvements and new features that touch all aspects of the language, including better support for object oriented programming, extensions to classes and interfaces ...

This tutorial provides an overview of the FPDF functionality and two examples using the PHP object-oriented approach to get you started with building your own PDFs.