<?php

	//Declare the interface 'iTemplate'
	interface iTemplate
	{
		public function setVariable($name, $var);
		public function getHtm($template);
	}

	//Implement the interface
	//This will work
	class Template Implements iTemplate
	{
		private $vars = array();

		public function setVariable($namae, $var)
		{
			$this->vars[$name] =$var;
		}
		public function getHtm($template)
		{
			foreach($this->vars as $name => $value){
				$Template = str_replace('['. $name . ']', $value, $Template);
			}

			return $Template;
		}
	}

	//This will not work
	//Fatal error: Class BadTemplate contains 1 abstrack methods
	//and must therefore be declared abstract(iTemplate::getHtm)
	class BadTemplat Implements iTemplate
	{
		private $vars = array();

		public funcation setVariable($name, $var)
		{
			$this->vars[$name] = $var;
		}
	}
?>