Learn PHP
PHP is a server scripting language, and a powerful tool for making dynamic and interactive Web pages.
PHP is a widely-used, free, and efficient alternative to competitors such as Microsoft’s ASP.
Easy Learning with “PHP Tryit”
With our online “PHP Tryit” editor, you can edit the PHP code, and click on a button to view the result.
ExampleGet your own PHP Server
<!DOCTYPE html>
<html>
<body><?php
echo “My first PHP script!”;
?></body>
</html>
Try it Yourself »
PHP Examples
Learn by examples! This tutorial supplements all explanations with clarifying examples.
PHP Quiz Test
Learn by taking a quiz! This quiz will give you a signal of how much you know, or do not know, about PHP.
My Learning
Track your progress with the free “My Learning” program here at W3Schools.
Log in to your account, and start earning points!
This is an optional feature. You can study W3Schools without using My Learning.
PHP References
W3Schools’ PHP reference contains different categories of all PHP functions, keywords and constants, along with examples.
Curriculum
- 9 Sections
- 99 Lessons
- 10 Weeks
Expand all sectionsCollapse all sections
- PHP XMLThe XML language is a way to structure data for sharing across websites.5
- PHP IntroductionPHP code is executed on the server. What You Should Already Know Before you continue you should have a basic understanding of the following: HTML CSS JavaScript34
- 2.1PHP Introduction
- 2.2PHP Installation
- 2.3PHP Syntax
- 2.4PHP Comments
- 2.5PHP Variables
- 2.6PHP Variables Scope
- 2.7PHP echo and print Statements
- 2.8PHP Data Types
- 2.9PHP Strings
- 2.10PHP Numbers
- 2.11PHP Math
- 2.12PHP Constants
- 2.13PHP Operators
- 2.14PHP if…else…elseif Statements
- 2.15PHP switch Statement
- 2.16PHP Loops
- 2.17PHP while Loop
- 2.18PHP do while Loop
- 2.19PHP for Loop
- 2.20PHP foreach Loop
- 2.21PHP Break and Continue
- 2.22PHP Functions
- 2.23PHP Arrays
- 2.24PHP Indexed Arrays
- 2.25PHP Associative Arrays
- 2.26PHP Multidimensional Arrays
- 2.27PHP Sorting Arrays
- 2.28PHP Global Variables – Superglobals
- 2.29PHP Superglobal – $GLOBALS
- 2.30PHP Superglobal – $_SERVER
- 2.31PHP Superglobal – $_REQUEST
- 2.32PHP Superglobal – $_POST
- 2.33PHP Superglobal – $_GET
- 2.34PHP Regular Expressions
- PHP Forms5
- PHP Advanced13
- PHP OOPFrom PHP5, you can also write PHP code in an object-oriented style. Object-Oriented programming is faster and easier to execute.14
- 5.1PHP – What is OOP?
- 5.2PHP OOP – Classes and Objects
- 5.3PHP OOP – Constructor
- 5.4PHP OOP – Destructor
- 5.5PHP OOP – Access Modifiers
- 5.6PHP OOP – Inheritance
- 5.7PHP OOP – Class Constants
- 5.8PHP OOP – Abstract Classes
- 5.9PHP OOP – Interfaces
- 5.10PHP OOP – Traits
- 5.11PHP OOP – Static Methods
- 5.12PHP OOP – Static Properties
- 5.13PHP Namespaces
- 5.14PHP Iterables
- MySQL Database14
- 6.1PHP MySQL Database
- 6.2PHP Connect to MySQL
- 6.3PHP Create a MySQL Database
- 6.4PHP MySQL Create Table
- 6.5PHP MySQL Insert Data
- 6.6PHP MySQL Get Last Inserted ID
- 6.7PHP MySQL Insert Multiple Records
- 6.8PHP MySQL Prepared Statements
- 6.9PHP MySQL Select Data
- 6.10PHP MySQL Use The WHERE Clause
- 6.11PHP MySQL Use The ORDER BY Clause
- 6.12PHP MySQL Delete Data
- 6.13PHP MySQL Update Data
- 6.14PHP MySQL Limit Data Selections
- PHP - AJAXAJAX is about updating parts of a web page, without reloading the whole page.6
- PHP Examples2
- PHP ReferenceThis section contains a complete PHP reference documentation.6
Instructors
