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Welcome to CSC 301 Web Programming

Welcome to CSC 301 Web Programming. Charles Frank. PHP. Stands for: Personal Home Page (originally), PHP: Hypertext Preprocessor (now; follows GNU’s recursive naming convention). Developed: Created by Rasmus Lerdorf in ’94

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Welcome to CSC 301 Web Programming

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  1. Welcome to CSC 301Web Programming Charles Frank

  2. PHP • Stands for: • Personal Home Page (originally), • PHP: Hypertext Preprocessor (now; follows GNU’s recursive naming convention). • Developed: • Created by RasmusLerdorf in ’94 • Became later an Open Source project, developed and maintained by the PHP Group • Open Source project = you have access to the source code, and you can use, alter and redistribute it without charge • Current release: 5.5.12

  3. PHP • What is it? • A server-side scripting language designed specifically for the Web. • PHP code: • is embedded within HTML pages; extension is .php • is interpreted at the Web server each time the page is visited  you can only execute PHP scripts through a Web server with PHP installed! • generates (= creates on the fly) (X)HTML or JavaScript or other output that the visitor will see on the client tier • IMPORTANT: a client will never see the PHP code, only the (X)HTML that the Web server returns from the script  the browser doesn’t (need to) understand PHP (different from client-side JavaScript)!

  4. PHP Popularity • http://w3techs.com/technologies/overview/programming_language/all • http://w3techs.com/

  5. MySQL • http://www.mysql.com/ • “The world’s most popular open source database” • http://www.mysql.com/why-mysql/

  6. Home page for PHP • http://www.php.net • Search for: phpinfo

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