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EDIT :: tax-functions.php

<?php /** * Tax Functions * * These are functions used for checking if taxes are enabled, calculating taxes, etc. * Functions for retrieving tax amounts and such for individual payments are in * includes/payment-functions.php and includes/cart-functions.php * * @package EDD * @subpackage Functions/Taxes * @copyright Copyright (c) 2015, Pippin Williamson * @license http://opensource.org/licenses/gpl-2.0.php GNU Public License * @since 1.3.3 */ // Exit if accessed directly if ( !defined( 'ABSPATH' ) ) exit; /** * Checks if taxes are enabled by using the option set from the EDD Settings. * The value returned can be filtered. * * @since 1.3.3 * @return bool Whether or not taxes are enabled */ function edd_use_taxes() { $ret = edd_get_option( 'enable_taxes', false ); return (bool) apply_filters( 'edd_use_taxes', $ret ); } /** * Retrieve tax rates * * @since 1.6 * @return array Defined tax rates */ function edd_get_tax_rates() { $rates = get_option( 'edd_tax_rates', array() ); return apply_filters( 'edd_get_tax_rates', $rates ); } /** * Get taxation rate * * @since 1.3.3 * @param bool $country * @param bool $state * @return mixed|void */ function edd_get_tax_rate( $country = false, $state = false ) { $rate = (float) edd_get_option( 'tax_rate', 0 ); $user_address = edd_get_customer_address(); if( empty( $country ) ) { if( ! empty( $_POST['billing_country'] ) ) { $country = $_POST['billing_country']; } elseif( is_user_logged_in() && ! empty( $user_address ) ) { $country = $user_address['country']; } $country = ! empty( $country ) ? $country : edd_get_shop_country(); } if( empty( $state ) ) { if( ! empty( $_POST['state'] ) ) { $state = $_POST['state']; } elseif( ! empty( $_POST['card_state'] ) ) { $state = $_POST['card_state']; } elseif( is_user_logged_in() && ! empty( $user_address ) ) { $state = $user_address['state']; } $state = ! empty( $state ) ? $state : edd_get_shop_state(); } if( ! empty( $country ) ) { $tax_rates = edd_get_tax_rates(); if( ! empty( $tax_rates ) ) { // Locate the tax rate for this country / state, if it exists foreach( $tax_rates as $key => $tax_rate ) { if( $country != $tax_rate['country'] ) continue; if( ! empty( $tax_rate['global'] ) ) { if( ! empty( $tax_rate['rate'] ) ) { $rate = number_format( $tax_rate['rate'], 4 ); } } else { if( empty( $tax_rate['state'] ) || strtolower( $state ) != strtolower( $tax_rate['state'] ) ) continue; $state_rate = $tax_rate['rate']; if( 0 !== $state_rate || ! empty( $state_rate ) ) { $rate = number_format( $state_rate, 4 ); } } } } } if( $rate > 1 ) { // Convert to a number we can use $rate = $rate / 100; } return apply_filters( 'edd_tax_rate', $rate, $country, $state ); } /** * Retrieve a fully formatted tax rate * * @since 1.9 * @param string $country The country to retrieve a rate for * @param string $state The state to retrieve a rate for * @return string Formatted rate */ function edd_get_formatted_tax_rate( $country = false, $state = false ) { $rate = edd_get_tax_rate( $country, $state ); $rate = round( $rate * 100, 4 ); $formatted = $rate .= '%'; return apply_filters( 'edd_formatted_tax_rate', $formatted, $rate, $country, $state ); } /** * Calculate the taxed amount * * @since 1.3.3 * @param $amount float The original amount to calculate a tax cost * @param $country string The country to calculate tax for. Will use default if not passed * @param $state string The state to calculate tax for. Will use default if not passed * @return float $tax Taxed amount */ function edd_calculate_tax( $amount = 0, $country = false, $state = false ) { $rate = edd_get_tax_rate( $country, $state ); $tax = 0.00; if ( edd_use_taxes() && $amount > 0 ) { if ( edd_prices_include_tax() ) { $pre_tax = ( $amount / ( 1 + $rate ) ); $tax = $amount - $pre_tax; } else { $tax = $amount * $rate; } } return apply_filters( 'edd_taxed_amount', $tax, $rate, $country, $state ); } /** * Returns the formatted tax amount for the given year * * @since 1.3.3 * @param $year int The year to retrieve taxes for, i.e. 2012 * @uses edd_get_sales_tax_for_year() * @return void */ function edd_sales_tax_for_year( $year = null ) { echo edd_currency_filter( edd_format_amount( edd_get_sales_tax_for_year( $year ) ) ); } /** * Gets the sales tax for the given year * * @since 1.3.3 * @param $year int The year to retrieve taxes for, i.e. 2012 * @uses edd_get_payment_tax() * @return float $tax Sales tax */ function edd_get_sales_tax_for_year( $year = null ) { global $wpdb; // Start at zero $tax = 0; if ( ! empty( $year ) ) { $args = array( 'post_type' => 'edd_payment', 'post_status' => array( 'publish', 'revoked' ), 'posts_per_page' => -1, 'year' => $year, 'fields' => 'ids' ); $payments = get_posts( $args ); $payment_ids = implode( ',', $payments ); if ( count( $payments ) > 0 ) { $sql = "SELECT SUM( meta_value ) FROM $wpdb->postmeta WHERE meta_key = '_edd_payment_tax' AND post_id IN( $payment_ids )"; $tax = $wpdb->get_var( $sql ); } } return apply_filters( 'edd_get_sales_tax_for_year', $tax, $year ); } /** * Is the cart taxed? * * This used to include a check for local tax opt-in, but that was ripped out in v1.6, so this is just a wrapper now * * @since 1.5 * @return bool */ function edd_is_cart_taxed() { return edd_use_taxes(); } /** * Check if the individual product prices include tax * * @since 1.5 * @return bool $include_tax */ function edd_prices_include_tax() { $ret = ( edd_get_option( 'prices_include_tax', false ) == 'yes' && edd_use_taxes() ); return apply_filters( 'edd_prices_include_tax', $ret ); } /** * Checks whether the user has enabled display of taxes on the checkout * * @since 1.5 * @return bool $include_tax */ function edd_prices_show_tax_on_checkout() { $ret = ( edd_get_option( 'checkout_include_tax', false ) == 'yes' && edd_use_taxes() ); return apply_filters( 'edd_taxes_on_prices_on_checkout', $ret ); } /** * Check to see if we should show included taxes * * Some countries (notably in the EU) require included taxes to be displayed. * * @since 1.7 * @author Daniel J Griffiths * @return bool */ function edd_display_tax_rate() { $ret = edd_use_taxes() && edd_get_option( 'display_tax_rate', false ); return apply_filters( 'edd_display_tax_rate', $ret ); } /** * Should we show address fields for taxation purposes? * * @since 1.y * @return bool */ function edd_cart_needs_tax_address_fields() { if( ! edd_is_cart_taxed() ) return false; return ! did_action( 'edd_after_cc_fields', 'edd_default_cc_address_fields' ); } /** * Is this Download excluded from tax? * * @since 1.9 * @return bool */ function edd_download_is_tax_exclusive( $download_id = 0 ) { $ret = (bool) get_post_meta( $download_id, '_edd_download_tax_exclusive', true ); return apply_filters( 'edd_download_is_tax_exclusive', $ret, $download_id ); }

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