deprecated_hook_run action-hook . WC 1.0

Usage

add_action( 'deprecated_hook_run', 'action_function_name_8361', 10, 4 );
function action_function_name_8361( $hook, $replacement, $version, $message ){
	// action...
}

$hook

-

$replacement

-

$version

-

$message

-

Where the hook is called

do_action( 'deprecated_hook_run', $hook, $replacement, $version, $message );

Where in WP core the hook is used WooCommerce