get_dynamic_sidebar.php

<?php
function get_dynamic_sidebar( $name ) {
	$contents = "";
	ob_start();
	dynamic_sidebar( $name );
	$contents = ob_get_clean();

	return $contents;
}

add_action( 'theme_footer', 'add_footer_navi' );
function add_footer_navi() {

	$html  = '';
	
	if( is_active_sidebar( 'footer-1' ) ) {
		$html .= '<div class="footer-nav-box each-box">';
		$html .= get_dynamic_sidebar( 'footer-1' );
		$html .= '</div>';
	}
	if( is_active_sidebar( 'footer-2' ) ) {
		$html .= '<div class="footer-nav-box each-box">';
		$html .= get_dynamic_sidebar( 'footer-2' );
		$html .= '</div>';
	}
	
	echo $html;

}

Thanks for posting.