PHP

Php is a back-end language widely leverage in web technologies.

HERE ARE THE VIDEO FOR CORE-PHP
-please note core Php is very important, core php libraries will
help you get a deep grasp of php methods, function, libraries and more.

HERE ARE THE VIDEO FOR PHP MVC.
-majorly all the development work that you will handle professional
will be based on a MODEL VIEW CONTROLLER, where the model will
be the data base schema , the view will be Front End (GUI) and the CONTROLLER will be the back end method/ function calls.

HERE ARE THE VIDEO FOR PHP APIS INTEGRATION
-while wbuilding up a systeam , you will need to make lot of
API calls and for that you will need to INTEGRATE SDK from each
API and SDK contributors , majorly google, facebook, amazon aws, drop box and moreā€¦

HERE ARE THE DOCUMENTATION TO LEARN PHP-
-Documentation will have complete information that you will require
to achieve any development task from PHP. These documentation are
can be complex in nature so it is advice to bruh up on the core concepts on PHP before jumping in
into it.

https://laravel.com/docs/8.x/installation

https://codeigniter.com/docs

https://www.php.net/manual/en/index.php

https://devdocs.magento.com/

https://docs.opencart.com/

https://codex.wordpress.org/

https://developer.wordpress.org/

–ABSOLUTE BEGINNER LESSONS OF PHP
-Please watch this is you have just started , these lessons
are well put out together and will help you learn all
the foundational concepts of php.

HERE ARE THE BEST WEBSITE TO LEARN PHP (ALL LEVELS)

https://www.guru99.com/php-tutorials.html

https://www.w3schools.com/php/DEFAULT.asp

https://www.tutorialspoint.com/php/index.htm

https://www.phptpoint.com/php-introduction/

https://www.javatpoint.com/php-mvc-architecture

https://www.tutorialspoint.com/codeigniter/index.htm

https://www.tutorialspoint.com/laravel/index.htm

https://www.javatpoint.com/codeigniter-tutorial

https://www.hostinger.in/tutorials/codeigniter-tutorial