WordPress at a glance
filter is not described

contextual_help_list filter-hook . WP 2.7.0

Deprecated in 3.3.0. It is no longer supported and can be removed in future releases. See {@see get_current_screen()->add_help_tab()} or {@see get_current_screen()->remove_help_tab()}.

Deprecated: 3.3.0 Use {@see get_current_screen()->add_help_tab()} or
{@see get_current_screen()->remove_help_tab()} instead.

Filters the legacy contextual help list.

Usage

add_filter( 'contextual_help_list', 'filter_function_name_5342', 10, 4 );
function filter_function_name_5342( $old_compat_help, $this, $string, $get_current_screen()->remove_help_tab() ){
	// filter...

	return $old_compat_help;
}
$old_compat_help(array)
Old contextual help.
$this(WP_Screen)
Current WP_Screen instance.
$string
-
$get_current_screen()->remove_help_tab()
-

Changelog

Since DEL 3.3.0 Introduced.

Where the hook is called

WP_Screen::render_screen_meta()
contextual_help_list
wp-admin/includes/class-wp-screen.php 799-804
self::$_old_compat_help = apply_filters_deprecated(
	'contextual_help_list',
	array( self::$_old_compat_help, $this ),
	'3.3.0',
	'get_current_screen()->add_help_tab(), get_current_screen()->remove_help_tab()'
);

Where in WP core the hook is used

Usage not found!