In Drupal 7, I found a way to reset cache on a specific page with:
$url = url('<front>', array('absolute' => TRUE));
cache_clear_all($url, 'cache_page');
What is the equivalent way in Drupal 9?
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4Using cache tags and contexts. Here's the docs drupal.org/docs/8/api/cache-api/cache-api and this is how to invalidate caches with a certain tag drupal.org/docs/drupal-apis/cache-api/cache-tags#s-invalidating– unusedspoonJan 5 at 10:53
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Yes, there isn't a directly equivalent way in D9, as the way of handing caching was much improved between D7 and D8+.– JaypanJan 7 at 17:00
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why do you want to do this?– sonfdJan 8 at 1:37
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I was adding a library to a specific page and it could be updated only through a configuration settings form, which would then reset the cache, so the library is properly updated.– Ivan GinovskiJan 8 at 18:29
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1 Answer
Solved it like this:
$url = Url::fromUserInput($custom_url);
if ($url instanceof UrlInterface) {
if ($url->isRouted()) {
$nid = $url->getRouteParameters()['node'];
/** @var \Drupal\node\Entity\Node $node */
$node = Node::load($nid);
if ($node instanceof NodeInterface) {
$tags = $node->getCacheTags();
\Drupal::service('cache_tags.invalidator')->invalidateTags($tags);
}
}
}