CSC 5750 Lecture Notes - Lecture 15: Web Server, Scripting Language, Server-Side

• School: Wayne State University
• Department: Computer Science
• Course: CSC 5750
• Professor: Daniel Ouellette

Document Summary

Php used to mean personal home page but now means php: hypertext. Most web hosting organizations include php support in their services. Many web application stacks include php among their scripting languages. Although php code is embedded within html, the file extension for any file containing php code is . php. All php file processing is done by the web server. As a php file is processed by the web server, it alternates between two modes: When php closing tag read, web server returns to. Client browser requests web page with . php file extension. When php opening tag read, web server scans web page in php mode. Web server scans web page in html mode. A php statement ends with a semicolon. // anywhere in a line signals a single-line comment. # anywhere in a line signals a single-line comment. Html may be printed from php using methods echo and print. Method echo has syntax: echo , , , ;