108 lines
2.9 KiB
PHP
108 lines
2.9 KiB
PHP
<?php
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/**
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* This file is part of Twig.
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*
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* (c) 2014 Fabien Potencier
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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use Symfony\Component\Translation\TranslatorInterface;
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use Symfony\Component\Translation\IdentityTranslator;
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/**
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* @author Robin van der Vleuten <robinvdvleuten@gmail.com>
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*/
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class Twig_Extensions_Extension_Date extends Twig_Extension
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{
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public static $units = array(
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'y' => 'year',
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'm' => 'month',
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'd' => 'day',
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'h' => 'hour',
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'i' => 'minute',
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's' => 'second',
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);
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/**
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* @var TranslatorInterface
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*/
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private $translator;
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public function __construct(TranslatorInterface $translator = null)
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{
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// Ignore the IdentityTranslator, otherwise the parameters won't be replaced properly
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if ($translator instanceof IdentityTranslator) {
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$translator = null;
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}
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$this->translator = $translator;
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}
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/**
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* {@inheritdoc}
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*/
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public function getFilters()
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{
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return array(
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new Twig_SimpleFilter('time_diff', array($this, 'diff'), array('needs_environment' => true)),
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);
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}
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/**
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* Filter for converting dates to a time ago string like Facebook and Twitter has.
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*
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* @param Twig_Environment $env a Twig_Environment instance
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* @param string|DateTime $date a string or DateTime object to convert
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* @param string|DateTime $now A string or DateTime object to compare with. If none given, the current time will be used.
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*
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* @return string the converted time
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*/
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public function diff(Twig_Environment $env, $date, $now = null)
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{
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// Convert both dates to DateTime instances.
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$date = twig_date_converter($env, $date);
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$now = twig_date_converter($env, $now);
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// Get the difference between the two DateTime objects.
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$diff = $date->diff($now);
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// Check for each interval if it appears in the $diff object.
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foreach (self::$units as $attribute => $unit) {
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$count = $diff->$attribute;
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if (0 !== $count) {
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return $this->getPluralizedInterval($count, $diff->invert, $unit);
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}
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}
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return '';
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}
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protected function getPluralizedInterval($count, $invert, $unit)
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{
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if ($this->translator) {
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$id = sprintf('diff.%s.%s', $invert ? 'in' : 'ago', $unit);
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return $this->translator->transChoice($id, $count, array('%count%' => $count), 'date');
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}
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if (1 !== $count) {
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$unit .= 's';
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}
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return $invert ? "in $count $unit" : "$count $unit ago";
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}
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/**
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* {@inheritdoc}
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*/
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public function getName()
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{
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return 'date';
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}
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}
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class_alias('Twig_Extensions_Extension_Date', 'Twig\Extensions\DateExtension', false);
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