What is WordPress Hook: do_mu_upgrade
The do_mu_upgrade hook is a specific WordPress hook that is used to perform actions or modify data during the upgrade process for a WordPress Multisite installation.
Understanding the Hook: do_mu_upgrade
The do_mu_upgrade hook is located within the wp-admin/includes/upgrade.php file and is specifically used during the upgrade process for a WordPress Multisite installation. This hook allows developers to perform custom actions or modify data before, during, or after the upgrade process.
Hook Parameters (if applicable): do_mu_upgrade
The do_mu_upgrade hook does not accept any arguments or parameters.
Hook Doesn’t Work: do_mu_upgrade
If the do_mu_upgrade hook doesn’t work as expected, it could be due to conflicts with other plugins or themes that are also modifying the upgrade process. It is recommended to deactivate other plugins and switch to a default theme to troubleshoot the issue. Additionally, checking for any syntax errors or incorrect usage of the hook can also cause it to not work properly.
Best Practices & Usage Notes (if applicable): do_mu_upgrade
When using the do_mu_upgrade hook, it is important to note that any actions or modifications made should be thoroughly tested to ensure compatibility with the WordPress Multisite upgrade process. It is also recommended to use this hook sparingly and only when necessary, as it can potentially interfere with the core upgrade functionality.
do_mu_upgrade Usage Example: do_mu_upgrade
“`php
function custom_mu_upgrade_function() {
// Perform custom actions during the WordPress Multisite upgrade process
}
add_action( ‘do_mu_upgrade’, ‘custom_mu_upgrade_function’ );
“`