# PHP Cheat Sheet

PHP originally stood for Personal Home Page, but it now stands for the recursive acronym PHP: Hypertext Preprocessor.


# PHP Cheat Sheet

PHP originally stood for Personal Home Page, but it now stands for the recursive acronym PHP: Hypertext Preprocessor.

## Brief History

See https://en.wikipedia.org/wiki/PHP#History for details.

**PHP 1.0**: Started in 1995.

**PHP 2.0**: Started in 1997.

**PHP 3**: Started in 1998.

**PHP 4**: Started in 2000. No longer maintained.

**PHP 5**: Started in 2006.  Powered by the new Zend Engine II.  PHP 5 included new features such as improved support for object-oriented programming, the PHP Data Objects (PDO) extension (which defines a lightweight and consistent interface for accessing databases), and numerous performance enhancements.

**PHP 6**: In March 2010, the project in its current form was officially abandoned.

**PHP 7**: Started in 2015.

Add Brief History of PHP
Add Brief History of PHP