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<?php
namespace Drupal\Core\Datetime;
use Drupal\Core\Cache\CacheableDependencyInterface;
use Drupal\Core\Cache\UnchangingCacheableDependencyTrait;
use Drupal\Core\Render\RenderableInterface;
/**
* Contains a formatted time difference.
*/
class FormattedDateDiff implements RenderableInterface, CacheableDependencyInterface {
use UnchangingCacheableDependencyTrait;
/**
* The actual formatted time difference.
*
* @var string
*/
protected $string;
/**
* The maximum time in seconds that this string may be cached.
*
* Let's say the time difference is 1 day 1 hour. In this case, we can cache
* it until now + 1 hour, so maxAge is 3600 seconds.
*
* @var int
*/
protected $maxAge;
/**
* Creates a new FormattedDateDiff instance.
*
* @param string $string
* The formatted time difference.
* @param int $max_age
* The maximum time in seconds that this string may be cached.
*/
public function __construct($string, $max_age) {
$this->string = $string;
$this->maxAge = $max_age;
}
/**
* @return string
*/
public function getString() {
return $this->string;
}
/**
* {@inheritdoc}
*/
public function getCacheMaxAge() {
return $this->maxAge;
}
/**
* The maximum age for which this object may be cached.
*
* @return int
* The maximum time in seconds that this object may be cached.
*
* @deprecated in Drupal 8.1.9 and will be removed before Drupal 9.0.0. Use
* \Drupal\Core\Datetime\FormattedDateDiff::getCacheMaxAge() instead.
*/
public function getMaxAge() {
return $this->getCacheMaxAge();
}
/**
* {@inheritdoc}
*/
public function toRenderable() {
return [
'#markup' => $this->string,
'#cache' => [
'max-age' => $this->maxAge,
],
];
}
}