HelloWorld.php

<?php # Script 4.1 - HelloWorld.php
/* This page defines the HelloWorld class.
 * The class says "Hello World!" in different languages.
 */

class HelloWorld
{
	// This method print a greeting
	// It takes one argument: the language to use.
	// Default language is English.

	function sayHello( $language = "English" )
	{
		// Put the greeting within P tags:
		echo '<p>';

		// print a message specific to language
		switch( $language )
		{
			case 'Hindi':
				echo 'नमस्ते दुनिया';
				break;
			case 'Greek':
				echo 'Γειά σου Κόσμε';
				break;
			case 'Chinese Simplified':
				echo '你好，世界';
				break;
			case 'Chinese Traditinal':
				echo '你好，世界';
				break;
			case 'Japanese':
				echo 'こんにちは世界';
				break;
			case 'Bengali':
				echo 'ওহে বিশ্ব!';
				break;
			case 'Dutch':
				echo 'Hallo, Wereld!';
				break;
			case 'French':
				echo 'Bonjour, Monde!';
				break;
			case 'German':
				echo 'Hallo, Welt!';
				break;
			case 'Italian':
				echo 'Ciao, Mondo!';
				break;
			case 'Spanish':
				echo 'iHola, Mundo!';
				break;
			default:
				echo 'Hello World!';
				break;
		} // end of switch

		// close the HTML paragrath tag
		echo '</p>';
	} // End of sayHello() method
} // End of HelloWorld class

$language = ! empty ( $_GET['lang'] ) ? $_GET['lang'] : 'English';
$helloworld = new HelloWorld();
$helloworld->sayHello( $language );