current_filter()

Retrieve the name of the current filter or action.

Return

(string) Hook name of the current filter or action.

function current_filter() {
	global $wp_current_filter;
	return end( $wp_current_filter );
}

Used By
Used By	Description
wp-includes/general-template.php: get_the_generator()	Creates the generator XML or Comment for RSS, ATOM, etc.
wp-includes/class-wp-customize-widgets.php: WP_Customize_Widgets::capture_filter_pre_get_option()	Pre-filters captured option values before retrieving.
wp-includes/query.php: is_main_query()	Is the query the main query?
wp-includes/functions.wp-scripts.php: wp_deregister_script()	Remove a registered script.
wp-includes/plugin.php: current_action()	Retrieve the name of the current action.
wp-includes/kses.php: wp_filter_kses()	Sanitize content with allowed HTML Kses rules.
wp-includes/kses.php: wp_kses_data()	Sanitize content with allowed HTML Kses rules.
wp-includes/formatting.php: capital_P_dangit()	Forever eliminate “Classicpress” from the planet (or at least the little bit we can influence).
wp-includes/update.php: wp_update_plugins()	Check plugin versions against the latest versions hosted on WordPress.org.
wp-includes/update.php: wp_update_themes()	Check theme versions against the latest versions hosted on WordPress.org.
wp-admin/includes/plugin-install.php: display_plugins_table()	Display plugin content based on plugin list.
wp-admin/includes/class-language-pack-upgrader.php: Language_Pack_Upgrader::bulk_upgrade()	Bulk upgrade language packs.

Changelog
Version	Description
WP-2.5.0	Introduced.