$$STYLE$$
$$PAGECONTENT$$
'; public function __construct() { } public function __destruct($title) { $this->title = $title; } public function addContent($content) { $this->pagecontent .= $content; } public function setTemplate($template) { $this->template = $template; } public function setNavigation($navigation) { $this->navigation = $navigation; } public function addStylesheet($stylesheet) { $this->style .= ''; } public function displayPage() { $page = $this->template; $page = str_replace('$$TITLE$$', $this->title, $page); $page = str_replace('$$STYLE$$', $this->style, $page); $page = str_replace('$$NAVIGATION$$', $this->navigation, $page); $page = str_replace('$$PAGECONTENT$$', $this->pagecontent, $page); echo $page; } }