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<?php
/**
* This file is part of Twig.
*
* (c) 2014 Fabien Potencier
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
use Symfony\Component\Translation\TranslatorInterface;
/**
* @author Robin van der Vleuten <robinvdvleuten@gmail.com>
*/
class Twig_Extensions_Extension_Date extends Twig_Extension
{
public static $units = array(
'y' => 'year',
'm' => 'month',
'd' => 'day',
'h' => 'hour',
'i' => 'minute',
's' => 'second',
);
/**
* @var TranslatorInterface
*/
private $translator;
public function __construct(TranslatorInterface $translator = null)
{
$this->translator = $translator;
}
/**
* {@inheritdoc}
*/
public function getFilters()
{
return array(
new Twig_SimpleFilter('time_diff', array($this, 'diff'), array('needs_environment' => true)),
);
}
/**
* Filter for converting dates to a time ago string like Facebook and Twitter has.
*
* @param Twig_Environment $env a Twig_Environment instance
* @param string|DateTime $date a string or DateTime object to convert
* @param string|DateTime $now A string or DateTime object to compare with. If none given, the current time will be used.
*
* @return string the converted time
*/
public function diff(Twig_Environment $env, $date, $now = null)
{
// Convert both dates to DateTime instances.
$date = twig_date_converter($env, $date);
$now = twig_date_converter($env, $now);
// Get the difference between the two DateTime objects.
$diff = $date->diff($now);
// Check for each interval if it appears in the $diff object.
foreach (self::$units as $attribute => $unit) {
$count = $diff->$attribute;
if (0 !== $count) {
return $this->getPluralizedInterval($count, $diff->invert, $unit);
}
}
return '';
}
protected function getPluralizedInterval($count, $invert, $unit)
{
if ($this->translator) {
$id = sprintf('diff.%s.%s', $invert ? 'in' : 'ago', $unit);
return $this->translator->transChoice($id, $count, array('%count%' => $count), 'date');
}
if (1 !== $count) {
$unit .= 's';
}
return $invert ? "in $count $unit" : "$count $unit ago";
}
/**
* {@inheritdoc}
*/
public function getName()
{
return 'date';
}
}
class_alias('Twig_Extensions_Extension_Date', 'Twig\Extensions\DateExtension', false);
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