PHP Introduction

PHP is a server-side scripting language.

What You Should Already Know
Before you continue you should have a basic understanding of the [...]

PHP Installation

Apache friends Xampp
Download xampp and install all at once!

What do you Need?
If your server supports PHP you don’t [...]

PHP Syntax

PHP code is executed on the server, and the plain HTML result is sent to the [...]

PHP Variables

A variable is used to store information.

Variables in PHP
Variables are used for storing a values, like text strings, numbers [...]

PHP String Variables

A string variable is used to store and manipulate text.

String Variables in PHP
String variables are used for values that contains [...]

PHP Operators

Operators are used to operate on values.

PHP Operators
This section lists the different operators used in PHP.
Arithmetic Operators

Operator
Description
Example
Result

+
Addition
x=2
[...]

PHP If…Else Statements

Conditional statements are used to perform different actions based on different conditions.

Conditional Statements
Very often when you write code, [...]

PHP Switch Statement

Conditional statements are used to perform different actions based on different conditions.

The PHP Switch Statement
Use the switch statement [...]

PHP Arrays

An array stores multiple values in one single variable.

What is an Array?
A variable is a storage area holding a number [...]

PHP Looping – While Loops

Loops execute a block of code a specified number of times, or while a specified condition is true.

PHP [...]

PHP Looping – For Loops

Loops execute a block of code a specified number of times, or while a specified condition [...]

PHP Functions

The real power of PHP comes from its functions.
In PHP, there are more than 700 built-in functions.

PHP Functions
In this chapter [...]

PHP Forms and User Input

The PHP $_GET and $_POST variables are used to retrieve information from forms, like user input.

PHP Form Handling
The [...]

PHP $_GET Function

The built-in $_GET function is used to collect values in a form with method="get".

The $_GET Function
The [...]

PHP $_POST Function

The built-in $_POST function is used to collect values in a form with method="post".

The $_POST Function
The [...]