Fires in head section for all admin pages.
wp-admin/admin-header.php:168file scopewp-admin/includes/media.php:608wp_iframe()wp-admin/includes/template.php:2177iframe_header()wp-includes/build/pages/font-library/page.php:267wp_font_library_render_page()wp-includes/build/pages/options-connectors/page.php:267wp_options_connectors_render_page() /** * Fires in head section for all admin pages. * * @since 2.1.0 */do_action( 'admin_head' ); if ( 'f' === get_user_setting( 'mfold' ) ) { $admin_body_class .= ' folded';} if ( ! get_user_setting( 'unfold' ) ) {Introduced in 2.1.0. Unchanged from 6.7.7 through 7.1.0.
Signature, return type and hooks compared across 5 parsed releases.