The 'pre_post_update' PHP action in WordPress allows developers to modify post data before it is updated. This can be useful for implementing custom validation or sanitization logic.
The 'pre_set_transient_{$transient}' PHP filter in WordPress allows developers to modify transient data before it is saved to the database. This can be useful for caching and optimizing website performance.
The WordPress 'phone_content' PHP filter allows developers to modify phone numbers displayed on a website. This can be useful for formatting or adding additional information, such as country codes.
The 'do_mu_upgrade' PHP filter in WordPress allows for seamless upgrades of WordPress Multisite installations. This filter can be used to customize the upgrade process and ensure that all sites within…