<?php

class PageControllerExtension extends Extension {

    public function onBeforeInit() {

        /* =========================================
         * SEO
         =========================================*/

        $tags = '';
        if(!$this->owner->MetaDescription && $metaDescription = SiteConfig::current_site_config()->MetaDescription) {
            $tags .= "<meta name=\"description\" content=\"" . Convert::raw2att($metaDescription) . "\" />\n";
        }
        $this->owner->extend('MetaTags', $tags);

    }

}