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 $url
  19      *
  20      * @return string
  21      */
  22     public static function getDomainName($url)
  23     {
  24         return parse_url($url, PHP_URL_HOST);
  25     }
  26
  27     /**
  28      * For a given text, we calculate reading time for an article.
  29      *
  30      * @param $text
  31      *
  32      * @return float
  33      */
  34     public static function getReadingTime($text)
  35     {
  36         return floor(str_word_count(strip_tags($text)) / 200);
  37     }
  38
  39     public function getName()
  40     {
  41         return 'wallabag_extension';
  42     }
  43 }