Fires in head section for a specific admin page.
wp-admin/admin-header.php:161file scopewp-admin/includes/template.php:2171iframe_header() * * The dynamic portion of the hook name, `$hook_suffix`, refers to the hook suffix * for the admin page. * * @since 2.1.0 */do_action( "admin_head-{$hook_suffix}" ); // phpcs:ignore WordPress.NamingConventions.ValidHookName.UseUnderscores /** * Fires in head section for all admin pages. * * @since 2.1.0 */Introduced in 2.1.0. Unchanged from 6.7.7 through 7.1.0.
Signature, return type and hooks compared across 5 parsed releases.