src/Wallabag/CoreBundle/Twig/Extension/WallabagExtension.php

   1 <?php
   2
   3 namespace Wallabag\CoreBundle\Twig\Extension;
   4
   5 class WallabagExtension extends \Twig_Extension
   6 {
   7     public function getFilters()
   8     {
   9         return array(
  10             new \Twig_SimpleFilter('readingTime', array($this, 'getReadingTime')),
  11             new \Twig_SimpleFilter('domainName', array($this, 'getDomainName')),
  12         );
  13     }
  14
  15     /**
  16      * Returns the domain name for a URL
  17      *
  18      * @param $url
  19      * @return string
  20      */
  21     public static function getDomainName($url)
  22     {
  23         return parse_url($url, PHP_URL_HOST);
  24     }
  25
  26     /**
  27      * For a given text, we calculate reading time for an article
  28      *
  29      * @param $text
  30      * @return float
  31      */
  32     public static function getReadingTime($text)
  33     {
  34         return floor(str_word_count(strip_tags($text)) / 200);
  35     }
  36
  37     public function getName()
  38     {
  39         return 'wallabag_extension';
  40     }
  41 }