The following video is the first video in "PHP Course for beginners" series. It explains: - What is the plan of the course. - What is HTTP Protocol - How connection between client and server is handled - What is HTTP method - What is HTTP header - What is HTTP Cookies - What is PHP - What is it good for - What is can do - etc. READ MORE ABOUT HTTP: https://developer.mozilla.org/en-US/docs/Web/HTTP