Programming language
- 1. Programming Languages PHP is open source software. PHP HyperText Preprocessor is widely used ,general purpose scripting language that was originally designed for web development to produce dynamic web page. PHP code is embedded in to the HTML sorce documents PHP is available as a processor for most modern web servers and as standalone interpreter on most operating systems and computing platforms.
- 2. Programming Languages(cont..) The main implementations of PHP is now produced by the PHP group and serves for PHP as there is no formal specifications. PHP is a free software released under the PHP license. PHP stores whole number in a platform – dependent range. This range is typically that of 32-bit signed integers. Unsigned integers are converted to signed values in certain situations. This ,behaviour is different from other programming language.
- 3. Design and Implementations PHP design Patterns: The factory Pattern, user interface method, singleton pattern, The observer pattern, The chain of command pattern, Strategy pattern.
- 4. Design and implementations(cont..) FACTORY PATTERN: The factory class and its related Iuser interface and user class
- 5. Design and implementations(cont..) User Interface Method: The Iuser interface and the user class with factory methods.
- 6. Design and Implementations(cont..) Singleton Method The database connections singleton.
- 7. Design and Implementations(cont..) The Observer Pattern: The observer user list and the user list event logger.
- 8. Design and implementations(cont..) The chain of command pattern: The command chain and related commands.
- 9. Design and Implementations(cont..) Strategy pattern The user list and the strategies for selecting user.
- 10. Design and implementations(cont..) PHP originally stood for personal Home Page. Initially created a set of perl scripts he called 'Personal Home page Tools' To maintain his Personal Home Page. C Programming Language common gateway interface ,extending them to add the ability work with web forms and to communicate with database and called this implementations. 'personal Home Page'could be used to built simple and dynamic web applications.
- 11. Specifications PHP 2 its inculded perl-like variables,form handling and the ability to embed HTML. The syntax was similar to perl but was more limited and simpler, After testing PHP 3 began,changing the language's name to the recursive initialism ”Hypertext Preprocessor”. PHP 4 is no longer under development nor will any security updates be released. PHP 5 inculded new features such as improved support for object-oriented programming. PHP 5 became the only stable version under development.
- 12. USage PHP runs on the web server. Javascript and flash in contrast,are client side because they run on web client. The usage in a PHP program cause the PHP interpreter on a web server to output a web page. The instructions in javascript cause firefox to run browser commands.
- 13. What programmer are Using? ASP-Microsoft technology, able to host on most servers. PHP-open Source,able to host on most servers. Cold Fusion-Macromedia frameworks,limited server availabilty. ASP.Net-Microsoft framework,upgrade to ASP. Perl-older frameworks,still in use,able to host on most servers. JSP-java server page,limited server availabilty. C#,vB.net,j#.C++-programming language for ASP.Net.
- 14. Programming Language popularity Table Java Java script Python PHP Ruby 500000 450000 370000 320000 300000
- 15. What language are using in web applications WEB 2.0 CSS P2P AJAX BLOGS SOCIAL NETWORKING.
- 16. 10 Programming language You should learn right now PHP C# AJAX JavaScript Perl C RUBY & RUBY on Rails JAVA Pythan VB.NET