add-woocommerce-cart-to-main-menu-for-divi.code-snippets.php

<?php

/**
 * Add WooCommerce cart to Main Menu for Divi
 *
 * Add WooCommerce cart icon to right of main menu
 */
// Author Paul Moss
// Created September 13 2019
// Append cart item (and cart count) to end of main menu.
if ( is_page_template( 'page-template-blank.php' ) ) {
	return;
}
add_action( 'wp_head', function () { ?>
<style>
.custom-cart-info ::before {
    text-shadow: 0 0;
    font-family: ETmodules !important;
    font-weight: 400;
    font-style: normal;
    font-variant: normal;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    line-height: 1;
    text-transform: none;
    speak: none;
}
.custom-cart-info span::before {
    margin-right: 10px;
	content: "\e07a";
}
</style>
<?php } );

// Append cart item (and cart count) to end of main menu.
add_filter( 'wp_nav_menu_main-menu_items', 'am_append_cart_icon', 10, 2 );
function am_append_cart_icon( $items, $args ) {
	$cart_item_count = WC()->cart->get_cart_contents_count();
	$cart_count_span = '';
	if ( empty( $cart_item_count )) {
		$cart_item_count = 0;
	}
	$cart_count_span = '<span>'.$cart_item_count.' Items</span>';
	$cart_link = '<li class="cart menu-item menu-item-type-post_type menu-item-object-page"><a href="' . get_permalink( wc_get_page_id( 'cart' ) ) . '" class="custom-cart-info">'.$cart_count_span.'</a></li>';

	// Add the cart link to the end of the menu.
	$items = $items . $cart_link;

	return $items;
}

Adds Cart Icon with number of items to main menu for Divi main menu

Can be added to functions.php or as a custom php snippet.