Smart function.php In WordPress

<?php 
	include 'includes/options-page.php';

	require_once 'includes/wp_bootstrap_navwalker.php';
	require_once 'includes/theme_inits.php';
	require_once 'includes/theme_enqueue.php';
	require_once 'includes/theme_cpt_job.php';
	require_once 'includes/theme_functions.php';
	require_once 'includes/theme_sidebar.php';
	require_once 'includes/theme_extras.php';
	require_once 'includes/theme_shortcodes.php';	
	require_once 'includes/gf_options.php';
?>