public static function Cache::mergeContexts in Drupal 9

Same name and namespace in other branches

8 core/lib/Drupal/Core/Cache/Cache.php \Drupal\Core\Cache\Cache::mergeContexts()

Merges arrays of cache contexts and removes duplicates.

Parameters

string[] ...: Cache contexts arrays to merge.

Return value

string[] The merged array of cache contexts.

54 calls to Cache::mergeContexts()

ArgumentPluginBase::getCacheContexts in core/modules/views/src/Plugin/views/argument/ArgumentPluginBase.php: The cache contexts associated with this object.
AssertPageCacheContextsAndTagsTrait::assertCacheContexts in core/modules/system/tests/src/Functional/Cache/AssertPageCacheContextsAndTagsTrait.php: Ensures that some cache contexts are present in the current response.
AssertViewsCacheTagsTrait::assertViewsCacheTags in core/modules/views/src/Tests/AssertViewsCacheTagsTrait.php: Asserts a view's result & render cache items' cache tags.
AssertViewsCacheTagsTrait::assertViewsCacheTagsFromStaticRenderArray in core/modules/views/src/Tests/AssertViewsCacheTagsTrait.php: Asserts a view's result & render cache items' cache tags.
BlockContentCacheTagsTest::testBlock in core/modules/block_content/tests/src/Functional/BlockContentCacheTagsTest.php: Tests that the block is cached with the correct contexts and tags.

... See full list

File

core/lib/Drupal/Core/Cache/Cache.php, line 29

Class

Cache: Helper methods for cache.

Namespace

Drupal\Core\Cache

Code

public static function mergeContexts(array ...$cache_contexts) {
  $cache_contexts = array_unique(array_merge(...$cache_contexts));
  assert(\Drupal::service('cache_contexts_manager')
    ->assertValidTokens($cache_contexts), sprintf('Failed to assert that "%s" are valid cache contexts.', implode(', ', $cache_contexts)));
  return $cache_contexts;
}

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