What is PHP?
- 2. www.prakulinfomedia.com INTRODUCTION • PHP is a server side scripting language that allows web- developers to create dynamic & interactive web pages and websites. • PHP is acronym for PHP: Hypertext Preprocessor. • It first appeared in 1995; 20 years ago and since then there have been many versions and new updates rolled out for this programming language. •It supports wide range of database and is an open-source and cross-platform(Windows, Linus, Unix, Mac OS) language that is widely used to create websites.
- 3. www.prakulinfomedia.com THEORY •PHP code can be embedded with HTML or it can be used with various template engine and web framework. With PHP the output is not limited to HTML, the output can also be a pdf file, images and flash movies. •It is a server-side scripting language and creates interactive dynamic pages or websites that interacts with the database. •The language is widely used, efficient and effective and creates a hassle free code that is easy to understand and modify. •Using PHP one can evaluate the data that is sent from a browser, build custom web content, interact with database and can even send and receive cookies.
- 4. www.prakulinfomedia.com PHP File & Extension • A PHP file may contain text, HTML code, CSS(Cascading Style Sheets) , JavaScript and PHP code. • The PHP code is executed on server side and the result in displayed on the browser as plain HTML. • PHP files have .php as extension but it may also vary with the version also. Other extensions coud be: .phtml, .php4, .php5, .php3
- 5. www.prakulinfomedia.com How PHP Code Works? • PHP Code is usually interpreted by interpreter, which is implemented as a native module of web server or a CGI(Common Gateway Interface) executable. •Once the code is interpreted and executed, the web server sends the output to the client. •The client see the result/ output on the web-browser as web page.
- 6. www.prakulinfomedia.com PHP Frameworks • A framework is an abstraction in which the software providing generic functionality can be selectively changed by additional user-written code. It provided application specific software. • Various PHP Frameworks: YII CakePHP CodeIgniter Akelos Symfony PHPDevShell Prado Zend Zoop QPHP
- 7. www.prakulinfomedia.com PHP CMS • A CMS(Content Management System) is an application that allows publishing, editing and modification of content, organizing, deleting as well as maintenance from a central interface. • CMS helps to manage the content workflow . •Various CMS WordPress Joomla Magento Drupal OpenCart Shopify
- 8. www.prakulinfomedia.com Example Code • PHP Code embedded with HTML <! DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <html> <head> <title>Example</title> </head> <body> <?php echo "Hi, I'm a PHP script!"; ?> </body> </html>
- 10. www.prakulinfomedia.com Contact US We are a IT Solutions providing web services. We have an expertise in Web Designing & Development and also in SEO, SMO and Internet Marketing. Visit Us: 52/151, Near Apex College, V.T Road, Mansarovar, Jaipur Email: info@prakulinfomedia.com Phone: 0141-278244, 9782889479
Editor's Notes
- #4: to understand