inc/Twig/Extensions/Extension/Intl.php

   1 <?php
   2
   3 /*
   4  * This file is part of Twig.
   5  *
   6  * (c) 2010 Fabien Potencier
   7  *
   8  * For the full copyright and license information, please view the LICENSE
   9  * file that was distributed with this source code.
  10  */
  11
  12 class Twig_Extensions_Extension_Intl extends Twig_Extension
  13 {
  14     public function __construct()
  15     {
  16         if (!class_exists('IntlDateFormatter')) {
  17             throw new RuntimeException('The intl extension is needed to use intl-based filters.');
  18         }
  19     }
  20
  21     /**
  22      * Returns a list of filters to add to the existing list.
  23      *
  24      * @return array An array of filters
  25      */
  26     public function getFilters()
  27     {
  28         return array(
  29             'localizeddate' => new Twig_Filter_Function('twig_localized_date_filter', array('needs_environment' => true)),
  30         );
  31     }
  32
  33     /**
  34      * Returns the name of the extension.
  35      *
  36      * @return string The extension name
  37      */
  38     public function getName()
  39     {
  40         return 'intl';
  41     }
  42 }
  43
  44 function twig_localized_date_filter(Twig_Environment $env, $date, $dateFormat = 'medium', $timeFormat = 'medium', $locale = null, $timezone = null, $format = null)
  45 {
  46     $date = twig_date_converter($env, $date, $timezone);
  47
  48     $formatValues = array(
  49         'none'   => IntlDateFormatter::NONE,
  50         'short'  => IntlDateFormatter::SHORT,
  51         'medium' => IntlDateFormatter::MEDIUM,
  52         'long'   => IntlDateFormatter::LONG,
  53         'full'   => IntlDateFormatter::FULL,
  54     );
  55
  56     $formatter = IntlDateFormatter::create(
  57         $locale !== null ? $locale : Locale::getDefault(),
  58         $formatValues[$dateFormat],
  59         $formatValues[$timeFormat],
  60         $date->getTimezone()->getName(),
  61         IntlDateFormatter::GREGORIAN,
  62         $format
  63     );
  64
  65     return $formatter->format($date->getTimestamp());
  66 }