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Yoast SEO Premium: Alter Yoast SEO orphaned content count cache

Yoast SEO Premium allows you to either disable the orphaned content count cache, or change the way it's invalidated. The wpseo_premium_orphaned_count_cache filter allows you to disable the cache in its entirety. The wpseo_premium_orphaned_count_cache_invalidation_method filter allows you to change the way the cache is invalidated.

Usage​

Disabling the cache​

The example below shows how you can use the filter to disable the orphaned count caching.

<?php

add_filter( 'wpseo_premium_orphaned_count_cache', '__return_false' );

Changing the way the cache is invalidated​

The example below shows how you can use the filter to change the way the cache is invalidated.

There are two options:

  • flush, which is this is the default behaviour. With this option the entire cache group orphaned_counts is flushed when the cache is invalidated, using wp_cache_flush_group().
  • or delete. With this option only the cache keys that are related to the post type of the changed post are deleted, using wp_cache_delete().

To change the invalidation method to delete use the following code:

<?php

add_filter( 'wpseo_premium_orphaned_count_cache_invalidation_method', function() {
    return 'delete';
} );