Hooks in WordPress are a way for one piece of code to interact and/or modify another piece of code at specific, pre-defined spots. They are used extensively throughout third-party plugins, themes, and by Core itself.
Pressidium specific WordPress actions
The following actions are defined in our MU plugin and can be used to implement theme or plugin-specific workflows and additional logic when triggered.
| Action | Arguments | Description |
pressidium_site_purged | $blog_domains | Fires after the site was entirely purged from the cache. |
pressidium_network_site_purged | $blog_domains | Fires after all sites of the network were entirely purged from cache. |
pressidium_page_purged | $posts, $domains, $paths | Fires after one or more pages were automatically purged from cache from our MU plugin (on posts insert/update/delete, comments update etc.). It is not triggered when a manual cache purge is requested via NinukisCaching::purge_cache(). |
pressidium_page_paths_purged | $domains, $paths | Fires after one or more pages were purged from cache by manually invoking the NinukisCaching::purge_cache() method. |
pressidium_site_purged
Fires after the site was entirely purged from cache.
do_action( 'pressidium_site_purged', array $blog_domains )Parameters
$blog_domains
(array) Mapped domains to purge from cache.
pressidium_network_site_purged
Fires after all sites of the network were entirely purged from cache.
do_action( 'pressidium_network_site_purged', array $blog_domains )Parameters
$blog_domains
(array) Mapped domains to purge from cache.
pressidium_page_purged
Fires after one or more pages were automatically purged from cache from our MU plugin (on posts insert/update/delete, comments update etc.). It is not triggered when a manual cache purge is requested via NinukisCaching::purge_cache().
do_action( 'pressidium_page_purged', array $posts, array $domains, array $paths )Parameters
$posts
(array) IDs of the posts/pages to purge from cache.
$domains
(array) Mapped domains to purge from cache.
$paths
(array) Paths to purge from cache (formatted like ^/my-path/).
pressidium_page_paths_purged
Fires after one or more pages were purged from cache by manually invoking the NinukisCaching::purge_cache() method.
do_action( 'pressidium_page_paths_purged', array $domains, array $paths )Parameters
$domains
(array) Domains purged.
$paths
(array) Paths purged.
Pressidium specific WordPress filters
The following hooks are defined in our MU plugin and can be used to modify the default behavior.
| Filter | Arguments | Description |
pressidium_purge_page_cache | $paths, $posts | Filters computed paths that are going to be purged from cache. |
pressidium_multisite_mapped_domains | $mapped_domains, $blog_id | Filters the list of mapped domains a blog may be associated with. |
pressidium_purge_page_cache
Filters computed paths that are going to be purged.
apply_filters( 'pressidium_purge_page_cache', array $paths, array $posts )Parameters
$paths
(array) Paths to be purged.
$posts
(array) IDs of the posts/pages to be purged.
pressidium_multisite_mapped_domains
Filters the list of mapped domains a blog may be associated with.
apply_filters( 'pressidium_multisite_mapped_domains', array $mapped_domains, int|null $posts )Parameters
$mapped_domains
(array) Mapped domains.
$blog_id
(int|null) ID of the blog.
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