The 'pre_handle_404' PHP filter in WordPress allows developers to customize the 404 error page. This filter can be used to redirect users to a different page or display a custom…

The 'ms_sites_list_table_query_args' PHP filter in WordPress allows developers to modify the query arguments used to retrieve a list of sites in a multisite network. This can be useful for customizing…

The 'new_admin_email_content' PHP filter in WordPress allows developers to customize the content of emails sent to site administrators.

This WordPress PHP function helps you delete empty custom fields from your posts by looping through specified post types, counting the number of non-empty occurrences of each custom field, deleting…

This WordPress PHP function allows you to delete specific custom fields from your posts by triggering during the 'admin_init' action hook. It targets specific post types, loops through each post,…

The 'pre_reschedule_event' PHP filter in WordPress allows developers to modify the parameters of scheduled events before they are rescheduled. This can be useful for customizing the behavior of plugins or…

The 'pre_trash_post' PHP filter in WordPress allows developers to modify the post data before it is moved to the trash. This can be useful for adding custom logic or preventing…

The 'pre_upload_error' PHP filter in WordPress allows developers to customize error messages that appear when a user tries to upload a file that does not meet certain criteria. This can…

The 'pre_wp_unique_post_slug' PHP filter in WordPress allows developers to modify the post slug before it is saved to the database. This can be useful for customizing the URL structure of…