function ContextAwarePluginTrait::getCacheTags

Same name in other branches
  1. 9 core/lib/Drupal/Core/Plugin/ContextAwarePluginTrait.php \Drupal\Core\Plugin\ContextAwarePluginTrait::getCacheTags()
  2. 10 core/lib/Drupal/Core/Plugin/ContextAwarePluginTrait.php \Drupal\Core\Plugin\ContextAwarePluginTrait::getCacheTags()
3 calls to ContextAwarePluginTrait::getCacheTags()
ForumBlockBase::getCacheTags in core/modules/forum/src/Plugin/Block/ForumBlockBase.php
SystemBrandingBlock::getCacheTags in core/modules/system/src/Plugin/Block/SystemBrandingBlock.php
SystemMenuBlock::getCacheTags in core/modules/system/src/Plugin/Block/SystemMenuBlock.php
3 methods override ContextAwarePluginTrait::getCacheTags()
ForumBlockBase::getCacheTags in core/modules/forum/src/Plugin/Block/ForumBlockBase.php
SystemBrandingBlock::getCacheTags in core/modules/system/src/Plugin/Block/SystemBrandingBlock.php
SystemMenuBlock::getCacheTags in core/modules/system/src/Plugin/Block/SystemMenuBlock.php

File

core/lib/Drupal/Core/Plugin/ContextAwarePluginTrait.php, line 187

Class

ContextAwarePluginTrait
Provides a trait to add context-aware functionality to plugins.

Namespace

Drupal\Core\Plugin

Code

public function getCacheTags() {
    $tags = [];
    // Applied contexts can affect the cache tags when this plugin is
    // involved in caching, collect and return them.
    foreach ($this->getContexts() as $context) {
        
        /** @var \Drupal\Core\Cache\CacheableDependencyInterface $context */
        if ($context instanceof CacheableDependencyInterface) {
            $tags = Cache::mergeTags($tags, $context->getCacheTags());
        }
    }
    return $tags;
}

Buggy or inaccurate documentation? Please file an issue. Need support? Need help programming? Connect with the Drupal community.