<?php
	
if(!array_key_exists ("name", $_GET) || $_GET['name'] == NULL || $_GET['name'] == ''){
	
 $isempty = true;
		
} else {
	
 $html .= '<pre>';
 $html .= 'Hello ' . htmlspecialchars($_GET['name']);
 $html .= '</pre>';
		
}

?>