Plugin_Upgrader::upgrade()
Method: Upgrade a plugin.
Source: wp-admin/includes/class-plugin-upgrader.php:190
Method: Upgrade a plugin.
Source: wp-admin/includes/class-plugin-upgrader.php:190
Method: Bulk upgrade several plugins at once.
Source: wp-admin/includes/class-plugin-upgrader.php:276
Method: Install a plugin package.
Source: wp-admin/includes/class-plugin-upgrader.php:118