Rounding

woocommerce-rounding.php

<?php
/*
 * Plugin Name: Woocommerce Rounding
 * Description: Round woocommerce orders total
 * Plugin URI: http://www.amintaibouta.com
 * Author: Amin T.
 * Author URI: http://www.amintaibouta.com
 * Version: 1.0
 */

 defined( 'ABSPATH' ) or die( 'No script kiddies please!' );


add_action( 'woocommerce_cart_calculate_fees', 'wrpp_add_cart_fee' );
function wrpp_add_cart_fee() {
	global $woocommerce;
	//Get the cart total and round it
	$total = number_format($woocommerce->cart->subtotal,2);
	$round = wrpp_round_price($total);
	//Add fee item +/- to the cart
	$woocommerce->cart->add_fee( __('Rounding Adjustment', 'woocommerce'), $round - $total ,true,'');
}
//Get the rounded value based on the last float value
function wrpp_round_price($total){
	//Get the floating part of the total
	$total = str_replace(',', '', $total);
	$float_part = number_format(round($total - intval($total), 2), 2, ".", "");
	//Get the last nunmber of the floating part
	$index = substr($float_part,-1);
	switch ($index)
	{
		case "1":
			return $total - 0.01;
		break;
		case "2":
			return $total - 0.02;
		break;
		case "3":
			return $total + 0.02;
		break;
		case "4":
			return $total + 0.01;
		break;
		case "6":
			return $total - 0.01;
		break;
		case "7":
			return $total - 0.02;
		break;
		case "8":
			return $total + 0.02;
		break;
		case "9":
			return $total + 0.01;
		break;
		default:
			return $total;
		break;
	}
}

//Set the new item in the right place
function wrpp_load_scripts() {
	wp_enqueue_script('custom-js', WP_PLUGIN_URL . '/woocommerce-rounding/woocommerce-rounding.js',array('jquery'));
}
add_action('wp_enqueue_scripts', 'wrpp_load_scripts');


?>