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Hooks in wp-admin/network/upgrade.php

WP version: 5.1

Important! Some hooks get applied in multiple files. If you are trying to figure out what a specific hook does, you need to look in all the files that apply the hook. Click the "details" link next to any hook for more information.

Hook Type New? File
1 after_mu_upgrade action no wp-admin/network/upgrade.php
2 wpmu_upgrade_page action no wp-admin/network/upgrade.php
3 wpmu_upgrade_site action no wp-admin/network/upgrade.php