11

<?php
if ( ( $locations = get_nav_menu_locations() ) && isset( $locations[ $menu_name ] )) {
    $menu = wp_get_nav_menu_object( $locations[ $menu_name ] );
    $menu_items = wp_get_nav_menu_items($menu->term_id);
}
foreach ( $menu_items as $menu_item ) {
    $numbers[] = get_post_meta( $menu_item->ID, '_menu_item_object_id', true );
}
for ($i=0; $i < count($numbers); $i++) {
    $id = $numbers[$i];
    $post = get_post($id);
    $title = get_the_title($id);
        $wp_customize->add_setting('tla'.$i, array(
                'default' => '',
                'sanitize_callback' => 'theme_sanitize'));
        $wp_customize->add_control(new WP_Customize_Image_Control($wp_customize, 'tla'.$id, array(
                'label'         => 'Site title: '.$title,
                'section'       => 'backgrounds',
                'settings'      => 'tla'.$i)));
        ?> <style type="text/css">.fp-section-<?php echo $i;?>:{background-image: url(<?php get_theme_mod('tla'.$i);?>)}</style> <?php
        echo get_theme_mod( 'tla'.$i );

}
?>