PHP Filename extensions .phtml, .phps, .php, .php4, .php3, .php5 Website http://php.net/

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PHP (a recursive acronym for PHP: Hypertext Preprocessor) is a popular open source, general-purpose, scripting language designed for web development. PHP is usually used as a server-side language directly embedded inside HTML web pages.

Topics

PHP Introduction Environment Syntax Basics Basic Output Variables Constants Strings Arrays Include File

Control Structures If Statements Looping Constructs Switch Statements Exception Handling Operators Operators Operator precedence Forms Form Handling Form Validation File uploads Cookies Sessions

File Handling Basic I/O Filesystem Functions & OOP Functions Classes Other Topics Date and Time Error Handling Sending Emails