/** Define ABSPATH as this file's directory */
if ( ! defined( 'ABSPATH' ) ) {
	define( 'ABSPATH', __DIR__ . '/' );
}

/*
 * Load wp-config.php from the site root (/home)
 */
if ( file_exists( '/home/wp-config.php' ) ) {

	require_once '/home/wp-config.php';

} else {

	define( 'WPINC', 'wp-includes' );
	require_once ABSPATH . WPINC . '/version.php';
	require_once ABSPATH . WPINC . '/compat.php';
	require_once ABSPATH . WPINC . '/load.php';

	wp_check_php_mysql_versions();
	wp_fix_server_vars();

	define( 'WP_CONTENT_DIR', ABSPATH . 'wp-content' );
	require_once ABSPATH . WPINC . '/functions.php';

	$path = wp_guess_url() . '/wp-admin/setup-config.php';

	if ( ! str_contains( $_SERVER['REQUEST_URI'], 'setup-config' ) ) {
		header( 'Location: ' . $path );
		exit;
	}

	wp_load_translations_early();

	wp_die(
		'<p><strong>wp-config.php não encontrado em /home</strong></p>',
		'WordPress › Erro'
	);
}
<br />
<b>Fatal error</b>:  Uncaught Error: Call to undefined function wp() in /home/pndf/www/home/wp-blog-header.php:16
Stack trace:
#0 /home/pndf/www/home/index.php(17): require()
#1 {main}
  thrown in <b>/home/pndf/www/home/wp-blog-header.php</b> on line <b>16</b><br />