Title: wp-admin/network/upgrade.php | Developer.WordPress.org

---

# File: wp-admin/network/upgrade.php

 * hook[after_mu_upgrade](https://developer.wordpress.org/reference/hooks/after_mu_upgrade/)
 * Fires after the Multisite DB upgrade for each site is complete.
 * Used by [0 functions](https://developer.wordpress.org/reference/hooks/after_mu_upgrade/#used-by)
   | Uses [0 functions](https://developer.wordpress.org/reference/hooks/after_mu_upgrade/#uses)
   | Source: [wp-admin/network/upgrade.php:114](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-admin/network/upgrade.php#L114-L114)
 * hook[wpmu_upgrade_site](https://developer.wordpress.org/reference/hooks/wpmu_upgrade_site/)
 * Fires after each site has been upgraded.
 * Used by [0 functions](https://developer.wordpress.org/reference/hooks/wpmu_upgrade_site/#used-by)
   | Uses [0 functions](https://developer.wordpress.org/reference/hooks/wpmu_upgrade_site/#uses)
   | Source: [wp-admin/network/upgrade.php:123](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-admin/network/upgrade.php#L123-L123)
 * hook[wpmu_upgrade_page](https://developer.wordpress.org/reference/hooks/wpmu_upgrade_page/)
 * Fires before the footer on the network upgrade screen.
 * Used by [0 functions](https://developer.wordpress.org/reference/hooks/wpmu_upgrade_page/#used-by)
   | Uses [0 functions](https://developer.wordpress.org/reference/hooks/wpmu_upgrade_page/#uses)
   | Source: [wp-admin/network/upgrade.php:153](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-admin/network/upgrade.php#L153-L153)