Fires before the theme is loaded.
wp-settings.php:705file scope /** * Fires before the theme is loaded. * * @since 2.6.0 */do_action( 'setup_theme' ); // Define the template related constants and globals.wp_templating_constants();wp_set_template_globals(); // Load the default text localization domain.Introduced in 2.6.0. Unchanged from 6.7.7 through 7.1.0.
Signature, return type and hooks compared across 5 parsed releases.