translate_level_to_role()
Function: Translate user level to user role name.
Source: wp-admin/includes/upgrade.php:3448
add_screen_option()
Function: Register and configure an admin screen option
Source: wp-admin/includes/screen.php:205
wp_check_mysql_version()
Function: Checks the version of the installed MySQL binary.
Source: wp-admin/includes/upgrade.php:3477
get_current_screen()
Function: Get the current screen object
Source: wp-admin/includes/screen.php:224
maybe_disable_automattic_widgets()
Function: Disables the Automattic widgets plugin, which was merged into core.
Source: wp-admin/includes/upgrade.php:3490
set_current_screen()
Function: Set the current screen object
Source: wp-admin/includes/screen.php:242
maybe_disable_link_manager()
Function: Disables the Link Manager on upgrade if, at the time of upgrade, no links exist in the DB.
Source: wp-admin/includes/upgrade.php:3510
pre_schema_upgrade()
Function: Runs before the schema is upgraded.
Source: wp-admin/includes/upgrade.php:3526
wp_should_upgrade_global_tables()
Function: Determine if global tables should be upgraded.
Source: wp-admin/includes/upgrade.php:3598
wp_should_upgrade_global_tables
Filter Hook: Filters if upgrade routines should be run on global tables.
Source: wp-admin/includes/upgrade.php:3625