Create filter for home path

<?php
/**
 * WPSEO plugin file.
 *
 * @package WPSEO\Admin
 */

if ( ! defined( 'WPSEO_VERSION' ) ) {
	header( 'Status: 403 Forbidden' );
	header( 'HTTP/1.1 403 Forbidden' );
	exit();
}

$yform     = Yoast_Form::get_instance();
$home_path = get_home_path();

if ( ! is_writable( $home_path ) && ! empty( $_SERVER['DOCUMENT_ROOT'] ) ) {
	$home_path = $_SERVER['DOCUMENT_ROOT'] . DIRECTORY_SEPARATOR;
}

$robots_file    = $home_path . 'robots.txt';
$ht_access_file = $home_path . '.htaccess';

if ( isset( $_POST['create_robots'] ) ) {
	if ( ! current_user_can( 'edit_files' ) ) {
		$die_msg = sprintf(
			/* translators: %s expands to robots.txt. */
			__( 'You cannot create a %s file.', 'wordpress-seo' ),
			'robots.txt'
		);
		die( esc_html( $die_msg ) );
	}

	check_admin_referer( 'wpseo_create_robots' );

	ob_start();
	error_reporting( 0 );
	do_robots();
	$robots_content = ob_get_clean();

	$f = fopen( $robots_file, 'x' );
	fwrite( $f, $robots_content );
}

Is it possible to create a filter to override the homepath?