596 lines
16 KiB
PHP
596 lines
16 KiB
PHP
<?php
|
|
/**
|
|
* Performs tax calculations and loads tax rates.
|
|
*
|
|
* @class WC_Tax
|
|
* @version 1.6.4
|
|
* @package WooCommerce/Classes
|
|
* @author WooThemes
|
|
*/
|
|
class WC_Tax {
|
|
|
|
/** @var array Contains an array of tax rates. */
|
|
var $rates;
|
|
|
|
/** @var array Contains an array of parsed tax rates with counties/states as keys. */
|
|
var $parsed_rates;
|
|
|
|
/**
|
|
* Get the tax rates as an array.
|
|
*
|
|
* @access public
|
|
* @return array
|
|
*/
|
|
function get_tax_rates() {
|
|
if ( ! is_array( $this->parsed_rates ) ) {
|
|
|
|
global $woocommerce;
|
|
|
|
$tax_rates = array_filter( (array) get_option('woocommerce_tax_rates') );
|
|
$local_tax_rates = array_filter( (array) get_option('woocommerce_local_tax_rates') );
|
|
|
|
$parsed_rates = array();
|
|
$flat_rates = array();
|
|
$index = 0;
|
|
|
|
if ( ! empty( $tax_rates ) ) foreach( $tax_rates as $rate ) :
|
|
|
|
// Standard Rate?
|
|
if ( isset( $rate['class'] ) && !$rate['class']) $rate['class'] = '*';
|
|
|
|
// Add entry for each country/state - each will hold all matching rates
|
|
if ( isset( $rate['countries'] ) && $rate['countries']) foreach ($rate['countries'] as $country => $states) :
|
|
|
|
if ($states) :
|
|
|
|
foreach ($states as $state) :
|
|
|
|
if (!$rate['label']) :
|
|
$rate['label'] = $woocommerce->countries->tax_or_vat();
|
|
|
|
// Add % to label
|
|
if ( $rate['rate'] > 0 || $rate['rate'] === 0 ) :
|
|
$rate['label'] .= ' ('. rtrim(rtrim($rate['rate'], '0'), '.') . '%)';
|
|
endif;
|
|
endif;
|
|
|
|
$flat_rates[$index] = $rate;
|
|
|
|
$parsed_rates[$country][$state][$rate['class']][$index] = array(
|
|
'label' => $rate['label'],
|
|
'rate' => $rate['rate'],
|
|
'shipping' => $rate['shipping'],
|
|
'compound' => $rate['compound']
|
|
);
|
|
|
|
$index++;
|
|
|
|
endforeach;
|
|
|
|
endif;
|
|
|
|
endforeach;
|
|
|
|
endforeach;
|
|
|
|
if ( ! empty( $local_tax_rates ) ) foreach( $local_tax_rates as $rate ) :
|
|
|
|
// Standard Rate?
|
|
if (!$rate['class']) $rate['class'] = '*';
|
|
|
|
if ( isset( $rate['label'] ) && !$rate['label']) :
|
|
$rate['label'] = $woocommerce->countries->tax_or_vat();
|
|
|
|
// Add % to label
|
|
if ( $rate['rate'] > 0 || $rate['rate'] === 0 ) :
|
|
$rate['label'] .= ' ('. rtrim(rtrim($rate['rate'], '0'), '.') . '%)';
|
|
endif;
|
|
endif;
|
|
|
|
$flat_rates[$index] = $rate;
|
|
|
|
$parsed_rates[$rate['country']][$rate['state']][$rate['class']][$index] = array(
|
|
'label' => $rate['label'],
|
|
'rate' => $rate['rate'],
|
|
'postcode' => array_map('strtoupper', (array) $rate['postcode']),
|
|
'shipping' => $rate['shipping'],
|
|
'compound' => $rate['compound']
|
|
);
|
|
|
|
$index++;
|
|
|
|
endforeach;
|
|
|
|
$this->rates = $flat_rates;
|
|
$this->parsed_rates = $parsed_rates;
|
|
|
|
do_action( 'woocommerce_get_tax_rates', $this );
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Searches for all matching country/state/postcode tax rates.
|
|
*
|
|
* @since 1.4
|
|
* @param string country
|
|
* @param string state
|
|
* @param string postcode
|
|
* @param string Tax Class
|
|
* @return array
|
|
*/
|
|
function find_rates( $country = '', $state = '', $postcode = '', $tax_class = '' ) {
|
|
$this->get_tax_rates();
|
|
|
|
if ( ! $country ) return array();
|
|
|
|
if ( ! $state ) $state = '*';
|
|
|
|
$tax_class = sanitize_title($tax_class);
|
|
if ( ! $tax_class ) $tax_class = '*';
|
|
|
|
$found_rates = array();
|
|
|
|
// Look for a state specific rule
|
|
if ( isset( $this->parsed_rates[ $country ][ $state ][ $tax_class ] ) || isset( $this->parsed_rates[ $country ][ $state ][ '*' ] ) ) {
|
|
|
|
// Look for tax class specific rule
|
|
if ( isset( $this->parsed_rates[ $country ][ $state ][ $tax_class ] ) )
|
|
$found_rates = $this->parsed_rates[ $country ][ $state ][ $tax_class ];
|
|
else
|
|
$found_rates = $this->parsed_rates[ $country ][ $state ][ '*' ];
|
|
|
|
// Default to * if not state specific rules are found
|
|
} elseif ( isset( $this->parsed_rates[ $country ][ '*' ] ) ) {
|
|
|
|
// Look for tax class specific rule
|
|
if ( isset( $this->parsed_rates[ $country ][ '*' ][ $tax_class ] ) )
|
|
$found_rates = $this->parsed_rates[ $country ][ '*' ][ $tax_class ];
|
|
elseif ( isset( $this->parsed_rates[ $country ][ '*' ][ '*' ] ) )
|
|
$found_rates = $this->parsed_rates[ $country ][ '*' ][ '*' ];
|
|
|
|
}
|
|
|
|
// Now we have an array of matching rates, lets filter this based on postcode
|
|
$matched_tax_rates = array();
|
|
|
|
if ($found_rates) foreach ($found_rates as $key => $rate) :
|
|
|
|
if (isset($rate['postcode'])) :
|
|
|
|
// Local rate
|
|
if ($postcode) :
|
|
|
|
// Check if postcode matches up
|
|
if (in_array($postcode, $rate['postcode']) || sizeof($rate['postcode'])==0) $matched_tax_rates[$key] = $rate;
|
|
|
|
// Check postcode ranges
|
|
if (is_numeric($postcode)) :
|
|
foreach ($rate['postcode'] as $rate_postcode) :
|
|
if (strstr($rate_postcode, '-')) :
|
|
$parts = array_map('trim', explode('-', $rate_postcode));
|
|
if (sizeof($parts)==2 && is_numeric($parts[0]) && is_numeric($parts[1])) :
|
|
if ($postcode>=$parts[0] && $postcode<=$parts[1]) $matched_tax_rates[$key] = $rate;
|
|
endif;
|
|
endif;
|
|
endforeach;
|
|
endif;
|
|
|
|
endif;
|
|
|
|
else :
|
|
|
|
// Standard rate
|
|
$matched_tax_rates[$key] = $rate;
|
|
|
|
endif;
|
|
|
|
endforeach;
|
|
|
|
$matched_tax_rates = apply_filters('woocommerce_matched_tax_rates', $matched_tax_rates, $this->parsed_rates, $country, $state, $postcode, $tax_class );
|
|
|
|
return $matched_tax_rates;
|
|
}
|
|
|
|
/**
|
|
* Get's an array of matching rates for a tax class.
|
|
*
|
|
* @param object Tax Class
|
|
* @return array
|
|
*/
|
|
function get_rates( $tax_class = '' ) {
|
|
global $woocommerce;
|
|
|
|
$this->get_tax_rates();
|
|
|
|
$tax_class = sanitize_title( $tax_class );
|
|
|
|
/* Checkout uses customer location for the tax rates. Also, if shipping has been calculated, use the customers address. */
|
|
if ( ( defined('WOOCOMMERCE_CHECKOUT') && WOOCOMMERCE_CHECKOUT ) || $woocommerce->customer->has_calculated_shipping() ) {
|
|
|
|
if ( get_option( 'woocommerce_tax_shipping_address' ) == 'yes' ) {
|
|
$country = $woocommerce->customer->get_shipping_country();
|
|
$state = $woocommerce->customer->get_shipping_state();
|
|
$postcode = $woocommerce->customer->get_shipping_postcode();
|
|
} else {
|
|
$country = $woocommerce->customer->get_country();
|
|
$state = $woocommerce->customer->get_state();
|
|
$postcode = $woocommerce->customer->get_postcode();
|
|
}
|
|
|
|
$matched_tax_rates = $this->find_rates( $country, $state, $postcode, $tax_class );
|
|
|
|
return $matched_tax_rates;
|
|
|
|
} else {
|
|
|
|
return $this->get_shop_base_rate( $tax_class );
|
|
|
|
}
|
|
|
|
}
|
|
|
|
/**
|
|
* Get's an array of matching rates for the shop's base country.
|
|
*
|
|
* @param string Tax Class
|
|
* @return array
|
|
*/
|
|
function get_shop_base_rate( $tax_class = '' ) {
|
|
global $woocommerce;
|
|
|
|
$this->get_tax_rates();
|
|
|
|
$country = $woocommerce->countries->get_base_country();
|
|
$state = $woocommerce->countries->get_base_state();
|
|
|
|
return $this->find_rates( $country, $state, '', $tax_class );
|
|
}
|
|
|
|
|
|
/**
|
|
* Deprecated before new tax system - added to stop errors before people upgrade.
|
|
*
|
|
* @deprecated 1.4
|
|
* @access public
|
|
* @return void
|
|
*/
|
|
function get_shipping_tax_rate() {
|
|
_deprecated_function( 'get_shipping_tax_rate', '1.4' );
|
|
}
|
|
|
|
/**
|
|
* Gets an array of matching shipping tax rates for a given class.
|
|
*
|
|
* @param string Tax Class
|
|
* @return mixed
|
|
*/
|
|
function get_shipping_tax_rates( $tax_class = null ) {
|
|
global $woocommerce;
|
|
|
|
$this->get_tax_rates();
|
|
|
|
if ( ( defined('WOOCOMMERCE_CHECKOUT') && WOOCOMMERCE_CHECKOUT ) || $woocommerce->customer->has_calculated_shipping() ) {
|
|
|
|
if ( get_option( 'woocommerce_tax_shipping_address' ) == 'yes' ) {
|
|
$country = $woocommerce->customer->get_shipping_country();
|
|
$state = $woocommerce->customer->get_shipping_state();
|
|
$postcode = $woocommerce->customer->get_shipping_postcode();
|
|
} else {
|
|
$country = $woocommerce->customer->get_country();
|
|
$state = $woocommerce->customer->get_state();
|
|
$postcode = $woocommerce->customer->get_postcode();
|
|
}
|
|
|
|
} else {
|
|
$country = $woocommerce->countries->get_base_country();
|
|
$state = $woocommerce->countries->get_base_state();
|
|
$postcode = '';
|
|
}
|
|
|
|
// If we are here then shipping is taxable - work it out
|
|
if ( ! is_null($tax_class) ) :
|
|
|
|
$matched_tax_rates = array();
|
|
|
|
// This will be per item shipping
|
|
$rates = $this->find_rates( $country, $state, $postcode, $tax_class );
|
|
|
|
if ($rates) foreach ($rates as $key => $rate) :
|
|
if (isset($rate['shipping']) && $rate['shipping']=='yes') :
|
|
$matched_tax_rates[$key] = $rate;
|
|
endif;
|
|
endforeach;
|
|
|
|
if (sizeof($matched_tax_rates)==0) :
|
|
// Get standard rate
|
|
$rates = $this->find_rates( $country, $state, $postcode );
|
|
|
|
if ($rates) foreach ($rates as $key => $rate) :
|
|
if (isset($rate['shipping']) && $rate['shipping']=='yes') :
|
|
$matched_tax_rates[$key] = $rate;
|
|
endif;
|
|
endforeach;
|
|
endif;
|
|
|
|
return $matched_tax_rates;
|
|
|
|
else :
|
|
|
|
// This will be per order shipping - loop through the order and find the highest tax class rate
|
|
$found_tax_classes = array();
|
|
$matched_tax_rates = array();
|
|
$rates = false;
|
|
|
|
// Loop cart and find the highest tax band
|
|
if (sizeof($woocommerce->cart->get_cart())>0) : foreach ($woocommerce->cart->get_cart() as $item) :
|
|
|
|
$found_tax_classes[] = $item['data']->get_tax_class();
|
|
|
|
endforeach; endif;
|
|
|
|
$found_tax_classes = array_unique( $found_tax_classes );
|
|
|
|
// If multiple classes are found, use highest
|
|
if (sizeof($found_tax_classes)>1) :
|
|
|
|
if (in_array('', $found_tax_classes)) :
|
|
$rates = $this->find_rates( $country, $state, $postcode );
|
|
else :
|
|
$tax_classes = array_filter(array_map('trim', explode("\n", get_option('woocommerce_tax_classes'))));
|
|
|
|
foreach ($tax_classes as $tax_class) :
|
|
if (in_array( $tax_class, $found_tax_classes )) :
|
|
$rates = $this->find_rates( $country, $state, $postcode, $tax_class );
|
|
break;
|
|
endif;
|
|
endforeach;
|
|
endif;
|
|
|
|
// If a single tax class is found, use it
|
|
elseif (sizeof($found_tax_classes)==1) :
|
|
|
|
$rates = $this->find_rates( $country, $state, $postcode, $found_tax_classes[0] );
|
|
|
|
endif;
|
|
|
|
// If no classes are found, use standard rates
|
|
if (!$rates) :
|
|
$rates = $this->find_rates( $country, $state, $postcode );
|
|
endif;
|
|
|
|
if ($rates) foreach ($rates as $key => $rate) :
|
|
if (isset($rate['shipping']) && $rate['shipping']=='yes') :
|
|
$matched_tax_rates[$key] = $rate;
|
|
endif;
|
|
endforeach;
|
|
|
|
return $matched_tax_rates;
|
|
|
|
endif;
|
|
|
|
return array(); // return false
|
|
}
|
|
|
|
/**
|
|
* Calculate the tax using a passed array of rates.
|
|
*
|
|
* @param float price
|
|
* @param array rates
|
|
* @param bool passed price includes tax
|
|
* @return array array of rates/amounts
|
|
*/
|
|
function calc_tax( $price, $rates, $price_includes_tax = true, $supress_rounding = false ) {
|
|
|
|
$price = $price * 100; // To avoid float rounding errors, work with integers (pence)
|
|
|
|
// Taxes array
|
|
$taxes = array();
|
|
|
|
// Price inc tax
|
|
if ( $price_includes_tax ) {
|
|
|
|
$regular_tax_rates = $compound_tax_rates = 0;
|
|
|
|
foreach ( $rates as $key => $rate )
|
|
if ($rate['compound']=='yes')
|
|
$compound_tax_rates = $compound_tax_rates + $rate['rate'];
|
|
else
|
|
$regular_tax_rates = $regular_tax_rates + $rate['rate'];
|
|
|
|
$regular_tax_rate = 1 + ( $regular_tax_rates / 100 );
|
|
$compound_tax_rate = 1 + ( $compound_tax_rates / 100 );
|
|
$tax_rate = $regular_tax_rate * $compound_tax_rate;
|
|
$non_compound_price = ( $price / $compound_tax_rate );
|
|
|
|
foreach ( $rates as $key => $rate ) {
|
|
|
|
$the_rate = $rate['rate'] / 100;
|
|
|
|
if ( $rate['compound'] == 'yes' )
|
|
$tax_amount = ( $the_rate / $compound_tax_rate ) * $price;
|
|
else
|
|
$tax_amount = ( $the_rate / $regular_tax_rate ) * $non_compound_price;
|
|
|
|
// ADVANCED: Allow third parties to modifiy this rate
|
|
$tax_amount = apply_filters( 'woocommerce_price_inc_tax_amount', $tax_amount, $key, $rate, $price, $non_compound_price );
|
|
|
|
// Back to pounds
|
|
$tax_amount = ( $tax_amount / 100 );
|
|
|
|
// Rounding
|
|
if ( get_option( 'woocommerce_tax_round_at_subtotal' ) == 'no' && ! $supress_rounding ) {
|
|
$decimals = ( '' != get_option( 'woocommerce_price_num_decimals' ) ) ? get_option( 'woocommerce_price_num_decimals' ) : 0;
|
|
$tax_amount = round( $tax_amount, $decimals );
|
|
}
|
|
|
|
// Add rate
|
|
if ( ! isset( $taxes[$key] ) )
|
|
$taxes[ $key ] = $tax_amount;
|
|
else
|
|
$taxes[ $key ] += $tax_amount;
|
|
|
|
}
|
|
|
|
// Prices ex tax
|
|
} else {
|
|
|
|
// Multiple taxes
|
|
foreach ( $rates as $key => $rate ) {
|
|
|
|
if ( $rate['compound'] == 'yes' )
|
|
continue;
|
|
|
|
$tax_amount = $price * ( $rate['rate'] / 100 );
|
|
|
|
// ADVANCED: Allow third parties to modifiy this rate
|
|
$tax_amount = apply_filters( 'woocommerce_price_ex_tax_amount', $tax_amount, $key, $rate, $price );
|
|
|
|
// Back to pounds
|
|
$tax_amount = ( $tax_amount / 100 );
|
|
|
|
// Rounding
|
|
if ( get_option( 'woocommerce_tax_round_at_subtotal' ) == 'no' && ! $supress_rounding ) {
|
|
$decimals = ( '' != get_option( 'woocommerce_price_num_decimals' ) ) ? get_option( 'woocommerce_price_num_decimals' ) : 0;
|
|
$tax_amount = round( $tax_amount, $decimals );
|
|
}
|
|
|
|
// Add rate
|
|
if ( ! isset( $taxes[ $key ] ) )
|
|
$taxes[ $key ] = $tax_amount;
|
|
else
|
|
$taxes[ $key ] += $tax_amount;
|
|
|
|
}
|
|
|
|
$pre_compound_total = array_sum( $taxes );
|
|
|
|
// Compound taxes
|
|
foreach ( $rates as $key => $rate ) {
|
|
|
|
if ( $rate['compound'] == 'no' )
|
|
continue;
|
|
|
|
$the_price_inc_tax = $price + ( $pre_compound_total * 100 );
|
|
|
|
$tax_amount = $the_price_inc_tax * ( $rate['rate'] / 100 );
|
|
|
|
// ADVANCED: Allow third parties to modifiy this rate
|
|
$tax_amount = apply_filters( 'woocommerce_price_ex_tax_amount', $tax_amount, $key, $rate, $price, $the_price_inc_tax, $pre_compound_total );
|
|
|
|
// Back to pounds
|
|
$tax_amount = ( $tax_amount / 100 );
|
|
|
|
// Rounding
|
|
if ( get_option( 'woocommerce_tax_round_at_subtotal' ) == 'no' && ! $supress_rounding ) {
|
|
$decimals = ( '' != get_option( 'woocommerce_price_num_decimals' ) ) ? get_option( 'woocommerce_price_num_decimals' ) : 0;
|
|
$tax_amount = round( $tax_amount, $decimals );
|
|
}
|
|
|
|
// Add rate
|
|
if ( ! isset( $taxes[ $key ] ) )
|
|
$taxes[ $key ] = $tax_amount;
|
|
else
|
|
$taxes[ $key ] += $tax_amount;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
return apply_filters( 'woocommerce_calc_tax', $taxes, $price, $rates, $price_includes_tax, $supress_rounding );
|
|
}
|
|
|
|
/**
|
|
* Calculate the shipping tax using a passed array of rates.
|
|
*
|
|
* @param int Price
|
|
* @param int Taxation Rate
|
|
* @return int
|
|
*/
|
|
function calc_shipping_tax( $price, $rates ) {
|
|
|
|
// Taxes array
|
|
$taxes = array();
|
|
|
|
// Multiple taxes
|
|
foreach ($rates as $key => $rate) :
|
|
if ($rate['compound']=='yes') continue;
|
|
|
|
$tax_amount = $price * ($rate['rate']/100);
|
|
|
|
// Add rate
|
|
if (!isset($taxes[$key])) $taxes[$key] = $tax_amount; else $taxes[$key] += $tax_amount;
|
|
|
|
endforeach;
|
|
|
|
$pre_compound_total = array_sum($taxes);
|
|
|
|
// Compound taxes
|
|
foreach ($rates as $key => $rate) :
|
|
if ($rate['compound']=='no') continue;
|
|
|
|
$the_price_inc_tax = $price + $pre_compound_total;
|
|
|
|
$tax_amount = $the_price_inc_tax * ($rate['rate']/100);
|
|
|
|
// Add rate
|
|
if (!isset($taxes[$key])) $taxes[$key] = $tax_amount; else $taxes[$key] += $tax_amount;
|
|
|
|
endforeach;
|
|
|
|
return $taxes;
|
|
}
|
|
|
|
/**
|
|
* Return true/false depending on if a rate is a compound rate.
|
|
*
|
|
* @param int key
|
|
* @return bool
|
|
*/
|
|
function is_compound( $key ) {
|
|
return ( isset( $this->rates[$key] ) && $this->rates[$key]['compound'] == 'yes' ) ? true : false;
|
|
}
|
|
|
|
/**
|
|
* Return a given rates label.
|
|
*
|
|
* @param int key
|
|
* @return string
|
|
*/
|
|
function get_rate_label( $key ) {
|
|
if ( isset( $this->rates[ $key ] ) && $this->rates[ $key ]['label'] ) return $this->rates[ $key ]['label'];
|
|
return '';
|
|
}
|
|
|
|
/**
|
|
* Round tax lines and return the sum.
|
|
*
|
|
* @param array
|
|
* @return float
|
|
*/
|
|
function get_tax_total( $taxes ) {
|
|
return array_sum( array_map( array(&$this, 'round'), $taxes ) );
|
|
}
|
|
|
|
/**
|
|
* Round to currency DP.
|
|
*/
|
|
function round( $in ) {
|
|
$decimals = ( '' != get_option( 'woocommerce_price_num_decimals' ) ) ? get_option( 'woocommerce_price_num_decimals' ) : 0;
|
|
return round( $in, $decimals );
|
|
}
|
|
|
|
}
|
|
|
|
/**
|
|
* woocommerce_tax class.
|
|
*
|
|
* @extends WC_Tax
|
|
* @deprecated 1.4
|
|
* @package WooCommerce/Classes
|
|
*/
|
|
class woocommerce_tax extends WC_Tax {
|
|
public function __construct() {
|
|
_deprecated_function( 'woocommerce_tax', '1.4', 'WC_Tax()' );
|
|
}
|
|
}
|