PHP Класс FluidTYPO3\Vhs\ViewHelpers\Render\CacheViewHelper
Caches the child content (any type supported as long as it
can be serialized). Because of the added overhead you should
only use this if what you are caching is complex enough that
it performs many DB request (for example when displaying an
object with many lazy properties which don't load until the
template asks for the property value). In short, applies to
just about the same use cases as any other cache - but remember
that Fluid is already a very efficient rendering engine so don't
just assume that using the ViewHelper will increase performance
or decrease memory usage.
Works forcibly, i.e. can only re-render its content if the
cache is cleared. A CTRL+Refresh in the browser does nothing,
even if a BE user is logged in. Only use this ViewHelper around
content which you are absolutely sure it makes sense to cache
along with an identity - for example, if rendering an uncached
plugin which contains a Partial template that is in all aspects
just a solid-state HTML representation of something like a list
of current news.
The cache behind this ViewHelper is the Extbase object cache,
which is cleared when you clear the page content cache.
Do not use on form elements, it will invalidate the checksum.
Do not use around ViewHelpers which add header data or which
interact with the PageRenderer or other "live" objects; this
includes many of the VHS ViewHelpers!
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Защищенные свойства (Protected)
Свойство |
Тип |
Описание |
|
$cache |
TYPO3\CMS\Core\Cache\Frontend\StringFrontend |
|
|
Открытые методы
Защищенные методы
Описание методов
initialize()
публичный Метод
public render ( mixed $identity, mixed $content = null ) : mixed |
$identity |
mixed |
Identifier for the cached content (usage preferred) |
$content |
mixed |
Value to be cached |
Результат |
mixed |
|
retrieve()
защищенный Метод
Описание свойств
$cache защищенное свойство
protected StringFrontend,TYPO3\CMS\Core\Cache\Frontend $cache |
Результат |
TYPO3\CMS\Core\Cache\Frontend\StringFrontend |
|