Used to call the registered callback for a plugin screen.
load-{$page_hook}
Fires before a particular screen is loaded.
admin_init
Fires as an admin screen or script is being initialized.
do_mu_upgrade
Filters whether to attempt to perform the multisite DB upgrade routine.
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after_db_upgrade
Fires on the next page load after a successful DB upgrade.
admin_post_{$action}
Fires on an authenticated admin post request for the given action.
admin_post
Fires on an authenticated admin post request where no action is supplied.
admin_post_nopriv_{$action}
Fires on a non-authenticated admin post request for the given action.
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admin_post_nopriv
Fires on a non-authenticated admin post request where no action is supplied.
all_admin_notices
Prints generic admin screen notices.
admin_notices
Prints admin screen notices.
user_admin_notices
Prints user admin screen notices.
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network_admin_notices
Prints network admin screen notices.
in_admin_header
Fires at the beginning of the content section in an admin page.
admin_body_class
This filter is documented in wp-admin/admin-header.php
