What is WordPress Hook: wp_revisions_to_keep
The wp_revisions_to_keep hook is a specific WordPress hook that allows developers to modify the number of revisions to keep for each post. This hook provides the ability to customize the number of revisions saved for a post, which can be useful for optimizing database storage and improving website performance.
Understanding the Hook: wp_revisions_to_keep
The wp_revisions_to_keep hook is located within the WordPress process that handles post revisions. By using this hook, developers can modify the default number of revisions to keep for each post, providing greater control over the revision history for individual posts.
Hook Parameters (if applicable): wp_revisions_to_keep
The wp_revisions_to_keep hook accepts a single parameter, which is the default number of revisions to keep for each post. By modifying this parameter, developers can specify the desired number of revisions to be saved for a post.
Hook Doesn’t Work: wp_revisions_to_keep
If the wp_revisions_to_keep hook doesn’t work as expected, it may be due to conflicts with other plugins or themes that also modify post revisions. To troubleshoot this issue, developers should deactivate other plugins and switch to a default theme to identify any conflicts. Additionally, ensuring that the hook is implemented correctly in the code can help resolve any issues with its functionality.
Best Practices & Usage Notes (if applicable): wp_revisions_to_keep
When using the wp_revisions_to_keep hook, it’s important to consider the impact on database storage and website performance. Modifying the number of revisions to keep should be done thoughtfully, taking into account the specific needs of the website and the importance of revision history for individual posts.
Usage Example: wp_revisions_to_keep
“`php
function custom_revisions_to_keep( $num, $post ) {
if ( $post->post_type == ‘product’ ) {
return 5; // Keep 5 revisions for product posts
}
return $num; // Keep the default number of revisions for other post types
}
add_filter( ‘wp_revisions_to_keep’, ‘custom_revisions_to_keep’, 10, 2 );
“`