Learn PHP basics with hands-on practice in hello world in PHP, variables in PHP, functions in PHP, arrays in PHP, PHP inheritance, PHP exceptions, and more.

This interactive course introduces you to the fundamentals of PHP programming, one of the most widely used languages in web development. Starting with a simple hello world in PHP, you’ll explore the basics, including PHP output, variables in PHP, and PHP data types. You’ll also learn about PHP constants, arithmetic operators, comparison operators, logical operators, and assignment operators.

The course progresses into conditional statements in PHP, PHP switch, and various loops such as PHP for loop, PHP while loop, and more. You will then dive deeper into functions in PHP, understand PHP variable scope, and learn PHP pass by reference or value. Additionally, you’ll gain a working knowledge of strings in PHP, PHP string operations, and handling arrays in PHP, including PHP multidimensional arrays.

In the advanced sections, you’ll explore classes in PHP, inheritance, constructors, and destructors, handling PHP exceptions with PHP throw and catch exceptions.

Learn PHP

# Problem Statement

Let's start with a very basic example.

Write a *class* called `Triangle` having **two** `public` variables for `length` and `height` and **one** *member* function called `area` which will *return* the **area** of the right angle **triangle**. You can calculate the area of a triangle using
$$Area = 1/2(length)(height)$$

## Input
two variables (integer or float) as the dimensions of the triangle

## Output
area of that triangle

## Sample Input
4, 5
## Sample Output
10
# Coding Challenge
**Write your code below**. It is recommended​ that you try solving the exercise yourself before viewing the solution.

**Good Luck!**

>Note: There is a `test` function given in the code for testing purposes. Do not modify it.

This is a basic exercise on defining a class that helps calculate the area of a triangle.

PHP Basics

PHP Variables

PHP Operators

PHP Conditional Statements

PHP Loops

PHP Functions

PHP Strings

PHP Arrays

PHP Assessment 1

PHP Classes

Exception Handling in PHP

PHP Assessment 2

Exercise: Calculating Area

Problem Statement