hyper text preprocessor presentation.pptx

php is one of the most useful languages in the world.

1. PHP (Hypertext Preprocessor) is a scripting language used to create dynamic web pages. It's free, open-source, and can be embedded into HTML.  What PHP is used for  Creating websites Developing applications Building customer relationship management systems Developing e-commerce websites Creating social media platforms Creating forums Developing APIs for web and mobile applications How PHP works  The web server runs the PHP script before sending the page to the browser The parser interprets the PHP and performs the operations in the script The parser generates the Hypertext Markup Language (HTML)

2. Cont … History of PHP PHP was created by Danish-Canadian programmer Rasmus Lerdorf in 1993  It was originally an abbreviation for "Personal Home Page"  The acronym changed to "PHP: Hypertext Preprocessor" as the language developed  Where PHP is available  PHP is available on all major operating systems, including Linux, Microsoft Windows, and macOS Most web servers, including Apache and IIS, also support PHP

3. Cont … What is PHP? PHP is an acronym for "PHP: Hypertext Preprocessor" PHP is a widely-used, open source scripting language PHP scripts are executed on the server PHP is free to download and use

4. Cont … Comments in PHP A comment in PHP code is a line that is not executed as a part of the program. Its only purpose is to be read by someone who is looking at the code. Comments can be used to: Let others understand your code Remind yourself of what you did - Most programmers have experienced coming back to their own work a year or two later and having to re-figure out what they did. Comments can remind you of what you were thinking when you wrote the code Leave out some parts of your code