Even though PHP was first released in the 1990s, learning the programming language is still highly rewarding. Even today, it is widely used and in high demand in the job market. PHP is the technology that powers popular content management platforms like WordPress, Joomla, and Drupal. According to W3 Techs, PHP powers about 80% of websites on the internet. Today, we look at the most popular, most comprehensive, and best PHP books to read.