The following tips on object-oriented PHP programming are excerpted from the newly released second edition of PHP and MySQL Web Development, copyright 2003 Sams ...

In the second instalment of this article series dedicated to PHP 7, we continue our exploration of PHP 7 new features focusing on object-oriented programming support, classes, and interfaces.

In this article, we will review new PHP 8 features related to classes, including enums, the new readonly modifier for a class property, and constructor parameter promotion.