The 'pre_update_site_option_{$option}' PHP filter in WordPress allows developers to modify site options before they are updated. This can be useful for validating input or adding custom functionality.

​The article discusses how to use the pre_user_{field} PHP filter in WordPress to modify user field values before they are saved to the database

The WordPress 'pre_user_email' PHP filter allows developers to modify user email addresses before they are saved to the database. This can be useful for a variety of purposes, such as…

The 'pre_user_nickname' filter in WordPress allows developers to modify the user nickname before it is saved to the database. This can be useful for enforcing naming conventions or adding prefixes/suffixes…

The 'pre_wp_mail' PHP filter in WordPress allows developers to modify email content before it is sent. This can be useful for adding custom headers or filtering out sensitive information.

The pre_wp_update_https_detection_errors PHP filter in WordPress allows developers to modify the error messages displayed when HTTPS detection fails. This can be useful for customizing error messages or handling errors in…

The 'recovery_email_debug_info' PHP filter in WordPress can be a useful tool for troubleshooting email delivery issues. This filter allows developers to add custom debug information to the recovery email sent…

The 'recovery_email_support_info' PHP filter in WordPress allows developers to customize the support information displayed on the password recovery page. This can be useful for providing users with specific instructions or…

The 'recovery_mode_email_link_ttl' PHP filter in WordPress allows for customization of the time-to-live (TTL) for recovery mode email links. This filter can be used to adjust the expiration time for recovery…