<?php namespace WallabagBundle\Twig\Extension; class WallabagExtension extends \Twig_Extension { public function getFilters() { return array( new \Twig_SimpleFilter('readingTime', array($this, 'getReadingTime')), new \Twig_SimpleFilter('domainName', array($this, 'getDomainName')), ); } /** * Returns the domain name for a URL * * @param $url * @return string */ public static function getDomainName($url) { return parse_url($url, PHP_URL_HOST); } /** * For a given text, we calculate reading time for an article * * @param $text * @return float */ public static function getReadingTime($text) { return floor(str_word_count(strip_tags($text)) / 200); } public function getName() { return 'wallabag_extension'; } }