*/ 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 $translator = null) { // Ignore the IdentityTranslator, otherwise the parameters won't be replaced properly if ($translator instanceof IdentityTranslator) { $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);