PHP

PHP Programming Language

PHP is a scripting language which enables interactivity. Below are topics related to PHP. One of the very best collaboratively written resources I've come across is

Basic ideas

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

other topics

• functions in php
• includes and requires
• variables in php
• common operators in php
• conditionals in php

More advanced topics

• sessions

Resources

• Official documentation
• PHP the right way