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public function RefinableCacheableDependencyTrait::addCacheContexts

public RefinableCacheableDependencyTrait::addCacheContexts(array $cache_contexts)

Adds cache contexts.

Parameters

string[] $cache_contexts: The cache contexts to be added.

Return value

$this

Overrides RefinableCacheableDependencyInterface::addCacheContexts

File

core/lib/Drupal/Core/Cache/RefinableCacheableDependencyTrait.php, line 71

Class

RefinableCacheableDependencyTrait
Trait for \Drupal\Core\Cache\RefinableCacheableDependencyInterface.

Namespace

Drupal\Core\Cache

Code

public function addCacheContexts(array $cache_contexts) {
  if ($cache_contexts) {
    $this->cacheContexts = Cache::mergeContexts($this->cacheContexts, $cache_contexts);
  }
  return $this;
}

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https://api.drupal.org/api/drupal/core!lib!Drupal!Core!Cache!RefinableCacheableDependencyTrait.php/function/RefinableCacheableDependencyTrait::addCacheContexts/8.1.x