What is WordPress Hook: clean_network_cache
The clean_network_cache hook in WordPress is used to clear the cache for a specific network. This can be useful for developers who need to ensure that the network cache is up to date and accurate.
Understanding the Hook: clean_network_cache
The clean_network_cache hook is located within the wp-includes/ms-blogs.php file in WordPress. It is called when the cache for a specific network needs to be cleared, such as when a new site is added or removed from the network.
Hook Parameters (if applicable): clean_network_cache
The clean_network_cache hook does not accept any arguments or parameters. It is a simple hook that is called to clear the cache for a specific network without any additional customization.
Hook Doesn’t Work: clean_network_cache
If the clean_network_cache hook doesn’t work as expected, it could be due to a caching plugin or server-side caching interfering with the process. It is recommended to disable any caching plugins and clear server-side caches to troubleshoot this issue.
Best Practices & Usage Notes (if applicable): clean_network_cache
When using the clean_network_cache hook, it is important to be aware of any caching mechanisms in place that could affect its functionality. Additionally, it is best practice to only use this hook when necessary to avoid unnecessary cache clearing and potential performance impacts.
Usage Example: clean_network_cache
“`php
function clear_network_cache_on_update( $network_id ) {
// Clear the cache for the specified network
clean_network_cache( $network_id );
}
add_action( ‘update_network’, ‘clear_network_cache_on_update’ );
“`