PHP is an open source (free) scripting language that allows you to create dynamic websites. It is used by over 20 million websites and over 1 million servers.
This tutorial is provided by an unspecified source. Without more information about the provider, it's not possible to give details about their background, expertise, or reputation in the field of PHP programming education.
The tutorial 'Learn PHP Programming From Scratch' is designed to introduce beginners to PHP programming. It likely covers fundamental concepts of PHP, including syntax, variables, control structures, functions, and working with databases. The course aims to provide a solid foundation for those who want to start developing dynamic web applications using PHP.