PHP 5 Forms - Validate E-mail and URL This chapter shows how to validate names, e-mails, and URLs. PHP

The PHP superglobals $_GET and $_POST are used to collect form-data. PHP - A Simple HTML Form The example

PHP 5 Global Variables - Superglobals Superglobals were introduced in PHP 4.1.0, and are built-in variables that are always available

PHP 5 Functions The real power of PHP comes from its functions; it has more than 1000 built-in functions.

The elements in an array can be sorted in alphabetical or numerical order, descending or ascending. PHP - Sort

PHP 5 Operators PHP Operators Operators are used to perform operations on variables and values. PHP divides the operators

An array stores multiple values in one single variable: Example What is an Array? An array is

PHP 5 if...else...elseif Statements Conditional statements are used to perform different actions based on different conditions. PHP Conditional Statements

PHP 5 Strings A string is a sequence of characters, like "Hello world!". PHP String Functions In

PHP 5 echo and print Statements In PHP there are two basic ways to get output: echo and print. In this tutorial