Fires when admin styles enqueued for the legacy (pre-3.5.0) media upload popup are printed.
wp-admin/includes/media.php:585wp_iframe() /** * Fires when admin styles enqueued for the legacy (pre-3.5.0) media upload popup are printed. * * @since 2.9.0 */ do_action( 'admin_print_styles-media-upload-popup' ); // phpcs:ignore WordPress.NamingConventions.ValidHookName.UseUnderscores /** This action is documented in wp-admin/admin-header.php */ do_action( 'admin_print_styles' ); /** * Fires when admin scripts enqueued for the legacy (pre-3.5.0) media upload popup are printed.Introduced in 2.9.0. Unchanged from 6.7.7 through 7.1.0.
Signature, return type and hooks compared across 5 parsed releases.