Clear Related Pages From WP Rocket's Cache on Update
When a post is updated, also clears the WP Rocket cache for the homepage, the blog page, its category and tag archives and the author page, so lists never show stale titles or excerpts.
Opens WPIDE on
Code
$wpide_extra_urls = array(); // e.g. array( home_url( '/news/' ) ).
add_action( 'transition_post_status', function ( $new, $old, $post ) use ( $wpide_extra_urls ) {
if ( ! function_exists( 'rocket_clean_files' ) || ( 'publish' !== $new && 'publish' !== $old ) || wp_is_post_revision( $post ) || ! is_post_type_viewable( $post->post_type ) ) {
return;
}
$urls = $wpide_extra_urls;
$urls[] = home_url( '/' );
if ( 'post' === $post->post_type && get_option( 'page_for_posts' ) ) {
$urls[] = get_permalink( (int) get_option( 'page_for_posts' ) );
}
foreach ( get_object_taxonomies( $post->post_type ) as $taxonomy ) {
if ( ! is_taxonomy_viewable( $taxonomy ) ) {
continue;
}
foreach ( (array) wp_get_post_terms( $post->ID, $taxonomy ) as $term ) {
$link = get_term_link( $term );
if ( ! is_wp_error( $link ) ) {
$urls[] = $link;
}
}
}
$urls[] = get_author_posts_url( (int) $post->post_author );
rocket_clean_files( array_values( array_unique( array_filter( $urls ) ) ) );
}, 20, 3 );Notes
Does nothing unless WP Rocket is active. Add extra URLs to $wpide_extra_urls, such as a landing page that lists posts.
How to add this snippet
- Install WPIDE on your WordPress site (it is free) and open Code Snippets.
- Use snippet above adds it from the library in one click. Or copy the code into a new snippet with the same code type.
- It is added inactive: review the code and settings, then switch it on.