upgrader_pre_install
Filter Hook: Filters the installation response before the installation has started.
Source: wp-admin/includes/class-wp-upgrader.php:545
Filter Hook: Filters the installation response before the installation has started.
Source: wp-admin/includes/class-wp-upgrader.php:545
Filter Hook: Filters the source file location for the upgrade package.
Source: wp-admin/includes/class-wp-upgrader.php:582
Filter Hook: Filters whether the upgrader cleared the destination.
Source: wp-admin/includes/class-wp-upgrader.php:638
Filter Hook: Filters the installation response after the installation has finished.
Source: wp-admin/includes/class-wp-upgrader.php:703
Method: Run an upgrade/installation.
Source: wp-admin/includes/class-wp-upgrader.php:747
Method: Toggle maintenance mode for the site.
Source: wp-admin/includes/class-wp-upgrader.php:973
Class:
Source: wp-admin/includes/class-wp-upgrader.php:52
Method: Construct the upgrader with a skin.
Source: wp-admin/includes/class-wp-upgrader.php:143
Method: Initialize the upgrader.
Source: wp-admin/includes/class-wp-upgrader.php:162
Class: Plugin Upgrader Skin for ClassicPress Plugin Upgrades.
Source: wp-admin/includes/class-plugin-upgrader-skin.php:18