view.php

<?php
require_once ('vtpl/vtpl.php') ;

#[\AllowDynamicProperties]
class View
{
	/**
	 * private variable that holds the instance handle
	 */
	static private $instance = NULL;

	/**
	 * This is the only way to get a instantce of the class
	 */
	static function get_instance() {
		if (self :: $instance === NULL)
		{
			self :: $instance = new view(); //create class instance
		}
		return self :: $instance;
	}

	function set($array) {
		if ($array)
		foreach($array as $key => $value) {
			$this->$key = $value;
		}
	}
	/**
	 * Declare the constructor private to avoid object initialization, this is a singleton
	 */
	private function __construct() {
	}
	
	private function recompile($filename, $file) {
		$vtpl = new Vtpl();
		$vtpl->addTemplatePath(PATH . '/templates/');
		$vtpl->htmlPath = PATH . '/html/';
		
		$vtpl->loadHtmlTemplate($filename);
		$vtpl->loadTemplateFileFromPath(str_replace('.html','.tpl',$filename));
		$vtpl->saveCompiledTemplate($file);
	} 

	/**
	 * Renders the specified file (html)
	 *
	 * @param string @filename
	 */
	function render( $filename = null ) {
		$file	 	  = PATH . '/compiled_templates/' . $filename;
		$htmlFile 	  = PATH . '/html/'. $filename;
		$templateFile = PATH . '/templates/'. str_replace('.html','.tpl',$filename);
		
		if (
		 !file_exists($file) 
		 || (max(@filemtime($htmlFile), 
				 @filemtime($templateFile))
			> @filemtime($file)) 
		 || (defined('VTPL_DEBUG') && VTPL_DEBUG))
		{
			self :: recompile($filename, $file);	
		}
		include_once($file);
	}
}