W3schools Home
Tutorials Library
Computer Science Fundamentals
Computer Fundamentals
Data Structure
Microsoft Windows
Operating System
HTTP
SDLC
Software Testing
Web Design
HTML
HTML5
CSS3
SCSS
Responsive Web Design
Bootstrap 4
Programming Languages
C Programming
C++ Programming
C++ 11
Java Programming
Python Programming
Python Data Science
Matplotlib
R Programming
Golang
C Sharp Programming
Swift
Mojo
Scripting Languages
JSP
PHP
PHP 8
Web Development
JavaScript
jQuery
React
Angular
Express.js
WordPress
Laravel
Laravel 12.x
RESTful Web Services
PWA (Progressive Web Application)
Web Hosting
Vue.js 3
Database Design and Development
SQL (Structured Query Language)
DBMS (Database Management System)
MySQL
MongoDB
Data Interchange Formats
JSON
XML
Software Development Tools
GIT
Containerization
Docker
Mobile Development
Android
Network & Security
Cyber Security
Ethical Hacking
Artificial Intelligence
Machine Learning
TensorFlow
Special Topics
Technical Writing
Entrepreneurship
Cloud Computing
Blockchain
Key Definitions
Definition
Example Programs
CSS Examples
C Programming Examples
C++ Programming Examples
Java Programming Examples
Python Programming Examples
PHP Examples
JavaScript Examples
Code Challenges
Practice Tests
Computer Fundamentals Practice Tests
HTML Practice Tests
CSS3 Practice Tests
C Programming Practice Tests
JSP Practice Tests
Development Tools
HTML Editor
C Compiler
C++ Compiler
Go Compiler
PHP Interpreter
Python2 Interpreter
Python3 Interpreter
PX to REM Converter
SCSS to CSS Converter
JSON Viewer
PHP Tutorial Index
64 Tutorials
PHP (Hypertext Preprocessor) is an open-source HTML-embedded server-side scripting language used to develop dynamic and interactive web applications and used as a general-purpose programming language.
PHP Overview
PHP Tutorial
PHP Introduction
PHP Installation
PHP Basics
PHP Basics
PHP Syntax
PHP Data Types
PHP Variables
PHP Constants
PHP Print and Echo Statements
Operators
PHP Operators
PHP Arithmetic Operators
PHP Assignment Operators
PHP Comparison Operators
PHP Logical Operators
PHP Ternary Operator
PHP Concatenation Operators
Decision Control Structures
PHP Decision Making
PHP if else statement
PHP elseif statement
PHP switch statement
Loop Control Structures
PHP Looping
PHP while loop
PHP do-while
PHP for loop
PHP foreach loop
Functions
PHP Date and Time
PHP Functions
PHP String Handling Functions
PHP Include and Require
PHP Headers
PHP File Handling
PHP Cookies
PHP Sessions
PHP Sending Emails
Compare Strings In PHP
array_diff() Function in PHP
array_merge() Function in PHP
array_search() Function in PHP
eval() in PHP
preg_replace() Function in PHP
URL Encoding and Decoding with PHP
sleep() Function in PHP
strlen() Function in PHP
ksort() Function in PHP
strlen() Function in PHP
gettype() Function in PHP
Forms
PHP GET and POST
PHP Web Form
PHP Server Side Form Validation
PHP File Upload
PHP Classes and Objects
PHP OOP Terminology
PHP Access Modifiers
What is stdClass in PHP?
PHP Inheritance
PHP OOP Traits
PHP Abstract Classes
PHP Constructor
PHP Destructor
PHP Namespaces
Miscellaneous
PHP Arrays
PHP RSS Feed
PHP Composer
Environment Variables in PHP
PHP Error Handling
↑