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Commitc2481c4

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feature#7424 Covering two missing Cache adapters introduced in 3.2 (weaverryan)
This PR was merged into the 3.2 branch.Discussion----------Covering two missing Cache adapters introduced in 3.2Hi guys!These are 2 missing adapters that were introduced in 3.2!symfony/symfony#18894 andsymfony/symfony#18823Cheers!Commits-------a3e69e2 Tweaks based on feedback!1b6cb69 Covering two missing adapters introduced in 3.2
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‎components/cache/cache_pools.rst‎

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@@ -58,6 +58,25 @@ contents as regular files in a set of directories on the local file system::
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$directory = null
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);
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Php Files Cache Adapter
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~~~~~~~~~~~~~~~~~~~~~~~
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This adapter is very similar to the Filesystem adapter, except that the saving creates
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a ``.php`` file, which is included on fetch (allowing the file to be saved in OPcache)::
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use Symfony\Component\Cache\Adapter\PhpFilesAdapter;
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$cache = new PhpFilesAdapter(
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// the subdirectory of the main cache directory where cache items are stored
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$namespace = '',
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// in seconds; applied to cache items that don't define their own lifetime
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// 0 means to store the cache items indefinitely (i.e. until the files are deleted)
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$defaultLifetime = 0,
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// the main cache directory (the application needs read-write permissions on it)
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// if none is specified, a directory is created inside the system temporary directory
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$directory = null
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);
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APCu Cache Adapter
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~~~~~~~~~~~~~~~~~~
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@@ -189,6 +208,41 @@ This adapter also defines two optional arguments called ``namespace`` (default:
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``''``) and ``defaultLifetime`` (default: ``0``) and adapts them to make them
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work in the underlying Doctrine cache.
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Php Array Cache Adapter
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~~~~~~~~~~~~~~~~~~~~~~~
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This adapter is a highly performant way to cache static data (e.g. application configuration)
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that is optimized and preloaded into OPcache memory storage::
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use Symfony\Component\Cache\Adapter\PhpArrayAdapter;
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use Symfony\Component\Cache\Adapter\PhpFilesAdapter;
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// somehow, decide it's time to warm up the cache!
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if ($needsWarmup) {
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// some static values
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$values = array(
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'stats.num_products' => 4711,
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'stats.num_users' => 1356,
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);
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$cache = new PhpArrayAdapter(
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// single file where values are cached
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__DIR__ . '/somefile.cache',
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// a backup adapter, if you set values after warmup
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new FilesystemAdapter()
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);
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$cache->warmUp($values);
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}
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// ... then, use the cache!
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$cacheItem = $cache->getItem('stats.num_users');
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echo $cacheItem->get();
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..note::
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This adapter requires PHP 7.x and should be used with the php.ini setting
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``opcache.enable`` on.
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Looking for Cache Items
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-----------------------
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