functions.php

<?php

if ( version_compare( $GLOBALS['wp_version'], '4.7-alpha', '<' ) ) {
	require get_template_directory() . '/inc/back-compat.php';
	return;
}

/**
 * Sets up theme defaults and registers support for various WordPress features.
 *
 * Note that this function is hooked into the after_setup_theme hook, which
 * runs before the init hook. The init hook is too late for some features, such
 * as indicating support for post thumbnails.
 */
function twentyseventeen_setup() {