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Commitcd6b150

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minor#12398 [Cache] Improved the example about cache tags (pavelmaca, javiereguiluz)
This PR was merged into the 4.3 branch.Discussion----------[Cache] Improved the example about cache tagsThis continues the work started in#12181.Commits-------f9d438f Fixed code2651f92 [Cache] Improved the example about cache tagsce0c625 [Cache] Fix example for using cache tags with TagAwareCacheInterface
2 parents358b8c5 +f9d438f commitcd6b150

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‎cache.rst‎

Lines changed: 22 additions & 12 deletions
Original file line numberDiff line numberDiff line change
@@ -489,23 +489,33 @@ the same key could be invalidate with one function call::
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use Symfony\Contracts\Cache\ItemInterface;
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use Symfony\Contracts\Cache\TagAwareCacheInterface;
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// using autowiring
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public function listProducts(TagAwareCacheInterface $pool)
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class SomeClass
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{
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$value0 = $pool->get('item_0', function (ItemInterface $item) {
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$item->tag(['foo', 'bar']);
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private $myCachePool;
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return 'debug';
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});
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// using autowiring to inject the cache pool
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public function __construct(TagAwareCacheInterface $myCachePool)
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{
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$this->myCachePool = $myCachePool;
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}
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$value1 = $pool->get('item_1', function (ItemInterface $item) {
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$item->tag('foo');
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public function someMethod()
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{
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$value0 = $this->myCachePool->get('item_0', function (ItemInterface $item) {
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$item->tag(['foo', 'bar']);
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return 'debug';
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});
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return 'debug';
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});
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// Remove all cache keys tagged with "bar"
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$pool->invalidateTags(['bar']);
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$value1 = $this->myCachePool->get('item_1', function (ItemInterface $item) {
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$item->tag('foo');
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return 'debug';
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});
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// Remove all cache keys tagged with "bar"
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$this->myCachePool->invalidateTags(['bar']);
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}
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}
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The cache adapter needs to implement:class:`Symfony\\Contracts\\Cache\\TagAwareCacheInterface``

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