Display total participant as quantity in cart page (If Consider each participant as separate booking is enabled)

function.php

function total_participant_in_woocommerce_cart_item_quantity($product_quantity, $cart_item_key, $cart_item) {
	$_product   = apply_filters( 'woocommerce_cart_item_product', $cart_item['data'], $cart_item, $cart_item_key );
	$product_id = apply_filters( 'woocommerce_cart_item_product_id', $cart_item['product_id'], $cart_item, $cart_item_key );
	if($_product->is_sold_individually())
	{
    	$product_type = $_product->get_type();
	 	if( $product_type == 'phive_booking' )
	 	{
			$_persons_as_booking 		= get_post_meta( $product_id, "_phive_booking_persons_as_booking", 1 );
			if($_persons_as_booking=='yes' && array_key_exists('phive_booked_persons', $cart_item) && !empty($cart_item['phive_booked_persons']))
			{
				$no_of_persons=array_sum($cart_item['phive_booked_persons']);
				$product_quantity = sprintf( '%s <input type="hidden" name="cart[%s][qty]" value="1" />',$no_of_persons, $cart_item_key );	
			}
	 	}
	}
	return $product_quantity;
}
add_filter( 'woocommerce_cart_item_quantity', 'total_participant_in_woocommerce_cart_item_quantity',10,3 );