本文整理匯總了PHP中Psr\Cache\CacheItemInterface::hasChanged方法的典型用法代碼示例。如果您正苦於以下問題：PHP CacheItemInterface::hasChanged方法的具體用法？PHP CacheItemInterface::hasChanged怎麽用？PHP CacheItemInterface::hasChanged使用的例子？那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在類Psr\Cache\CacheItemInterface的用法示例。
在下文中一共展示了CacheItemInterface::hasChanged方法的1個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的PHP代碼示例。
示例1: save
/**
* {@inheritdoc}
*/
public function save(CacheItemInterface $item)
{
if (!$item instanceof Item) {
throw new InvalidArgumentException('MatthiasMullie\\Scrapbook\\Psr6\\Pool can only save
MatthiasMullie\\Scrapbook\\Psr6\\Item objects');
}
if (!$item->hasChanged()) {
/*
* If the item didn't change, we don't have to re-save it. We do,
* however, need to check if the item actually holds a value: if it
* does, it should be considered "saved" (even though nothing has
* changed, the value for this key is in cache) and if it doesn't,
* well then nothing is in cache.
*/
return $item->get() !== null;
}
$expire = $item->getExpiration();
return $this->store->set($item->getKey(), $item->get(), $expire);
}