activated_plugin хук-событие . WP 2.9.0

Fires after a plugin has been activated.

If a plugin is silently activated (such as during an update), this hook does not fire.

Использование

add_action( 'activated_plugin', 'action_function_name_7967', 10, 2 );
function action_function_name_7967( $plugin, $network_wide ){
	// action...
}

$plugin(строка)

Path to the plugin file relative to the plugins directory.

$network_wide(true/false)

Whether to enable the plugin for all sites in the network or just the current site. Multisite only.
По умолчанию: false

Где вызывается хук

do_action( 'activated_plugin', $plugin, $network_wide );

Где используется хук (в ядре WP)