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woocommerce-core-functions.php
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woocommerce-core-functions.php
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<?php
/**
* WooCommerce Core Functions
*
* Functions available on both the front-end and admin.
*
* @author WooThemes
* @category Core
* @package WooCommerce/Functions
* @version 1.6.4
*/
if ( ! defined( 'ABSPATH' ) ) exit; // Exit if accessed directly
/**
* Hooks used in admin and frontend
*/
add_filter( 'woocommerce_coupon_code', 'sanitize_text_field' );
add_filter( 'woocommerce_coupon_code', 'strtolower' ); // Coupons case-insensitive by default
add_filter( 'woocommerce_stock_amount', 'intval' ); // Stock amounts are integers by default
/**
* Main function for returning products, uses the WC_Product_Factory class.
*
* @access public
* @param mixed $the_product Post object or post ID of the product.
* @param array $args (default: array()) Contains all arguments to be used to get this product.
* @return void
*/
function get_product( $the_product = false, $args = array() ) {
global $woocommerce;
return $woocommerce->product_factory->get_product( $the_product, $args );
}
/**
* Function that returns an array containing the IDs of the products that are on sale.
*
* @since 2.0
* @access public
* @return array
*/
function woocommerce_get_product_ids_on_sale() {
// Load from cache
$product_ids_on_sale = get_transient( 'wc_products_onsale' );
// Valid cache found
if ( false !== $product_ids_on_sale )
return $product_ids_on_sale;
$on_sale = get_posts( array(
'post_type' => array( 'product', 'product_variation' ),
'posts_per_page' => -1,
'post_status' => 'publish',
'meta_query' => array(
array(
'key' => '_sale_price',
'value' => 0,
'compare' => '>=',
'type' => 'DECIMAL',
),
array(
'key' => '_sale_price',
'value' => '',
'compare' => '!=',
'type' => '',
)
),
'fields' => 'id=>parent',
) );
$product_ids = array_keys( $on_sale );
$parent_ids = array_values( $on_sale );
// Check for scheduled sales which have not started
foreach ( $product_ids as $key => $id ) {
if ( get_post_meta( $id, '_sale_price_dates_from', true ) > current_time( 'timestamp' ) ) {
unset( $product_ids[ $key ] );
}
}
$product_ids_on_sale = array_unique( array_merge( $product_ids, $parent_ids ) );
set_transient( 'wc_products_onsale', $product_ids_on_sale );
return $product_ids_on_sale;
}
/**
* Sanitize taxonomy names. Slug format (no spaces, lowercase).
*
* Doesn't use sanitize_title as this destroys utf chars.
*
* @access public
* @param mixed $taxonomy
* @return void
*/
function woocommerce_sanitize_taxonomy_name( $taxonomy ) {
$taxonomy = strtolower( stripslashes( strip_tags( $taxonomy ) ) );
$taxonomy = preg_replace( '/&.+?;/', '', $taxonomy ); // Kill entities
$taxonomy = str_replace( array( '.', '\'', '"' ), '', $taxonomy ); // Kill quotes and full stops.
$taxonomy = str_replace( array( ' ', '_' ), '-', $taxonomy ); // Replace spaces and underscores.
return $taxonomy;
}
/**
* woocommerce_get_attachment_image_attributes function.
*
* @access public
* @param mixed $attr
* @return void
*/
function woocommerce_get_attachment_image_attributes( $attr ) {
if ( strstr( $attr['src'], 'woocommerce_uploads/' ) )
$attr['src'] = woocommerce_placeholder_img_src();
return $attr;
}
add_filter( 'wp_get_attachment_image_attributes', 'woocommerce_get_attachment_image_attributes' );
/**
* woocommerce_prepare_attachment_for_js function.
*
* @access public
* @param mixed $response
* @return void
*/
function woocommerce_prepare_attachment_for_js( $response ) {
if ( isset( $response['url'] ) && strstr( $response['url'], 'woocommerce_uploads/' ) ) {
$response['full']['url'] = woocommerce_placeholder_img_src();
if ( isset( $response['sizes'] ) ) {
foreach( $response['sizes'] as $size => $value ) {
$response['sizes'][ $size ]['url'] = woocommerce_placeholder_img_src();
}
}
}
return $response;
}
add_filter( 'wp_prepare_attachment_for_js', 'woocommerce_prepare_attachment_for_js' );
/**
* woocommerce_get_dimension function.
*
* Normalise dimensions, unify to cm then convert to wanted unit value
*
* Usage: woocommerce_get_dimension(55, 'in');
*
* @access public
* @param mixed $dim
* @param mixed $to_unit 'in', 'm', 'cm', 'm'
* @return float
*/
function woocommerce_get_dimension( $dim, $to_unit ) {
$from_unit = strtolower( get_option( 'woocommerce_dimension_unit' ) );
$to_unit = strtolower( $to_unit );
// Unify all units to cm first
if ( $from_unit !== $to_unit ) {
switch ( $from_unit ) {
case 'in':
$dim *= 2.54;
break;
case 'm':
$dim *= 100;
break;
case 'mm':
$dim *= 0.1;
break;
case 'yd':
$dim *= 0.010936133;
break;
}
// Output desired unit
switch ( $to_unit ) {
case 'in':
$dim *= 0.3937;
break;
case 'm':
$dim *= 0.01;
break;
case 'mm':
$dim *= 10;
break;
case 'yd':
$dim *= 91.44;
break;
}
}
return ( $dim < 0 ) ? 0 : $dim;
}
/**
* woocommerce_get_weight function.
*
* Normalise weights, unify to cm then convert to wanted unit value
*
* Usage: woocommerce_get_weight(55, 'kg');
*
* @access public
* @param mixed $weight
* @param mixed $to_unit 'g', 'kg', 'lbs'
* @return float
*/
function woocommerce_get_weight( $weight, $to_unit ) {
$from_unit = strtolower( get_option('woocommerce_weight_unit') );
$to_unit = strtolower( $to_unit );
//Unify all units to kg first
if ( $from_unit !== $to_unit ) {
switch ( $from_unit ) {
case 'g':
$weight *= 0.001;
break;
case 'lbs':
$weight *= 0.4536;
break;
case 'oz':
$weight *= 0.0283;
break;
}
// Output desired unit
switch ( $to_unit ) {
case 'g':
$weight *= 1000;
break;
case 'lbs':
$weight *= 2.2046;
break;
case 'oz':
$weight *= 35.274;
break;
}
}
return ( $weight < 0 ) ? 0 : $weight;
}
/**
* Get product name with extra details such as SKU price and attributes. Used within admin.
*
* @access public
* @param mixed $product
* @return void
*/
function woocommerce_get_formatted_product_name( $product ) {
if ( ! $product || ! is_object( $product ) )
return;
if ( $product->get_sku() )
$identifier = $product->get_sku();
elseif ( $product->is_type( 'variation' ) )
$identifier = '#' . $product->variation_id;
else
$identifier = '#' . $product->id;
if ( $product->is_type( 'variation' ) ) {
$attributes = $product->get_variation_attributes();
$extra_data = ' – ' . implode( ', ', $attributes ) . ' – ' . woocommerce_price( $product->get_price() );
} else {
$extra_data = '';
}
return sprintf( __( '%s – %s%s', 'woocommerce' ), $identifier, $product->get_title(), $extra_data );
}
/**
* Get the placeholder image URL for products etc
*
* @access public
* @return string
*/
function woocommerce_placeholder_img_src() {
global $woocommerce;
return apply_filters('woocommerce_placeholder_img_src', $woocommerce->plugin_url() . '/assets/images/placeholder.png' );
}
/**
* Get the placeholder image
*
* @access public
* @return string
*/
function woocommerce_placeholder_img( $size = 'shop_thumbnail' ) {
global $woocommerce;
$dimensions = $woocommerce->get_image_size( $size );
return apply_filters('woocommerce_placeholder_img', '<img src="' . woocommerce_placeholder_img_src() . '" alt="Placeholder" width="' . $dimensions['width'] . '" height="' . $dimensions['height'] . '" />' );
}
/**
* woocommerce_lostpassword_url function.
*
* @access public
* @param mixed $url
* @return void
*/
function woocommerce_lostpassword_url( $url ) {
$id = woocommerce_get_page_id( 'lost_password' );
if ( $id != -1 )
$url = get_permalink( $id );
return $url;
}
add_filter( 'lostpassword_url', 'woocommerce_lostpassword_url' );
/**
* Send HTML emails from WooCommerce
*
* @access public
* @param mixed $to
* @param mixed $subject
* @param mixed $message
* @param string $headers (default: "Content-Type: text/html\r\n")
* @param string $attachments (default: "")
* @return void
*/
function woocommerce_mail( $to, $subject, $message, $headers = "Content-Type: text/html\r\n", $attachments = "" ) {
global $woocommerce;
$mailer = $woocommerce->mailer();
$mailer->send( $to, $subject, $message, $headers, $attachments );
}
if ( ! function_exists( 'woocommerce_get_page_id' ) ) {
/**
* WooCommerce page IDs
*
* retrieve page ids - used for myaccount, edit_address, change_password, shop, cart, checkout, pay, view_order, thanks, terms
*
* returns -1 if no page is found
*
* @access public
* @param string $page
* @return int
*/
function woocommerce_get_page_id( $page ) {
$page = apply_filters('woocommerce_get_' . $page . '_page_id', get_option('woocommerce_' . $page . '_page_id'));
return ( $page ) ? $page : -1;
}
}
if ( ! function_exists( 'woocommerce_empty_cart' ) ) {
/**
* WooCommerce clear cart
*
* Clears the cart session when called
*
* @access public
* @return void
*/
function woocommerce_empty_cart() {
global $woocommerce;
if ( ! isset( $woocommerce->cart ) || $woocommerce->cart == '' )
$woocommerce->cart = new WC_Cart();
$woocommerce->cart->empty_cart( false );
}
}
if ( ! function_exists( 'woocommerce_disable_admin_bar' ) ) {
/**
* WooCommerce disable admin bar
*
* @access public
* @param bool $show_admin_bar
* @return bool
*/
function woocommerce_disable_admin_bar( $show_admin_bar ) {
if ( get_option('woocommerce_lock_down_admin')=='yes' && ! ( current_user_can('edit_posts') || current_user_can('manage_woocommerce') ) ) {
$show_admin_bar = false;
}
return $show_admin_bar;
}
}
/**
* Load the cart upon login
*
* @access public
* @param mixed $user_login
* @param mixed $user
* @return void
*/
function woocommerce_load_persistent_cart( $user_login, $user ) {
global $woocommerce;
$saved_cart = get_user_meta( $user->ID, '_woocommerce_persistent_cart', true );
if ( $saved_cart )
if ( empty( $woocommerce->session->cart ) || ! is_array( $woocommerce->session->cart ) || sizeof( $woocommerce->session->cart ) == 0 )
$woocommerce->session->cart = $saved_cart['cart'];
}
/**
* is_woocommerce - Returns true if on a page which uses WooCommerce templates (cart and checkout are standard pages with shortcodes and thus are not included)
*
* @access public
* @return bool
*/
function is_woocommerce() {
return ( is_shop() || is_product_category() || is_product_tag() || is_product() ) ? true : false;
}
if ( ! function_exists( 'is_shop' ) ) {
/**
* is_shop - Returns true when viewing the product type archive (shop).
*
* @access public
* @return bool
*/
function is_shop() {
return ( is_post_type_archive( 'product' ) || is_page( woocommerce_get_page_id( 'shop' ) ) ) ? true : false;
}
}
if ( ! function_exists( 'is_product_category' ) ) {
/**
* is_product_category - Returns true when viewing a product category.
*
* @access public
* @param string $term (default: '') The term slug your checking for. Leave blank to return true on any.
* @return bool
*/
function is_product_category( $term = '' ) {
return is_tax( 'product_cat', $term );
}
}
if ( ! function_exists( 'is_product_tag' ) ) {
/**
* is_product_tag - Returns true when viewing a product tag.
*
* @access public
* @param string $term (default: '') The term slug your checking for. Leave blank to return true on any.
* @return bool
*/
function is_product_tag( $term = '' ) {
return is_tax( 'product_tag', $term );
}
}
if ( ! function_exists( 'is_product' ) ) {
/**
* is_product - Returns true when viewing a single product.
*
* @access public
* @return bool
*/
function is_product() {
return is_singular( array( 'product' ) );
}
}
if ( ! function_exists( 'is_cart' ) ) {
/**
* is_cart - Returns true when viewing the cart page.
*
* @access public
* @return bool
*/
function is_cart() {
return is_page( woocommerce_get_page_id( 'cart' ) );
}
}
if ( ! function_exists( 'is_checkout' ) ) {
/**
* is_checkout - Returns true when viewing the checkout page.
*
* @access public
* @return bool
*/
function is_checkout() {
return ( is_page( woocommerce_get_page_id( 'checkout' ) ) || is_page( woocommerce_get_page_id( 'pay' ) ) ) ? true : false;
}
}
if ( ! function_exists( 'is_account_page' ) ) {
/**
* is_account_page - Returns true when viewing an account page.
*
* @access public
* @return bool
*/
function is_account_page() {
return is_page( woocommerce_get_page_id( 'myaccount' ) ) || is_page( woocommerce_get_page_id( 'edit_address' ) ) || is_page( woocommerce_get_page_id( 'view_order' ) ) || is_page( woocommerce_get_page_id( 'change_password' ) ) || is_page( woocommerce_get_page_id( 'lost_password' ) ) || apply_filters( 'woocommerce_is_account_page', false ) ? true : false;
}
}
if ( ! function_exists( 'is_order_received_page' ) ) {
/**
* is_order_received_page - Returns true when viewing the order received page.
*
* @access public
* @return bool
*/
function is_order_received_page() {
return ( is_page( woocommerce_get_page_id( 'thanks' ) ) ) ? true : false;
}
}
if ( ! function_exists( 'is_ajax' ) ) {
/**
* is_ajax - Returns true when the page is loaded via ajax.
*
* @access public
* @return bool
*/
function is_ajax() {
if ( defined('DOING_AJAX') )
return true;
return ( isset( $_SERVER['HTTP_X_REQUESTED_WITH'] ) && strtolower( $_SERVER['HTTP_X_REQUESTED_WITH'] ) == 'xmlhttprequest' ) ? true : false;
}
}
if ( ! function_exists( 'is_filtered' ) ) {
/**
* is_filtered - Returns true when filtering products using layered nav or price sliders.
*
* @access public
* @return bool
*/
function is_filtered() {
global $_chosen_attributes;
return ( sizeof( $_chosen_attributes ) > 0 || ( isset( $_GET['max_price'] ) && isset( $_GET['min_price'] ) ) ) ? true : false;
}
}
/**
* Get template part (for templates like the shop-loop).
*
* @access public
* @param mixed $slug
* @param string $name (default: '')
* @return void
*/
function woocommerce_get_template_part( $slug, $name = '' ) {
global $woocommerce;
$template = '';
// Look in yourtheme/slug-name.php and yourtheme/woocommerce/slug-name.php
if ( $name )
$template = locate_template( array ( "{$slug}-{$name}.php", "{$woocommerce->template_url}{$slug}-{$name}.php" ) );
// Get default slug-name.php
if ( !$template && $name && file_exists( $woocommerce->plugin_path() . "/templates/{$slug}-{$name}.php" ) )
$template = $woocommerce->plugin_path() . "/templates/{$slug}-{$name}.php";
// If template file doesn't exist, look in yourtheme/slug.php and yourtheme/woocommerce/slug.php
if ( !$template )
$template = locate_template( array ( "{$slug}.php", "{$woocommerce->template_url}{$slug}.php" ) );
if ( $template )
load_template( $template, false );
}
/**
* Get other templates (e.g. product attributes) passing attributes and including the file.
*
* @access public
* @param mixed $template_name
* @param array $args (default: array())
* @param string $template_path (default: '')
* @param string $default_path (default: '')
* @return void
*/
function woocommerce_get_template( $template_name, $args = array(), $template_path = '', $default_path = '' ) {
global $woocommerce;
if ( $args && is_array($args) )
extract( $args );
$located = woocommerce_locate_template( $template_name, $template_path, $default_path );
do_action( 'woocommerce_before_template_part', $template_name, $template_path, $located, $args );
include( $located );
do_action( 'woocommerce_after_template_part', $template_name, $template_path, $located, $args );
}
/**
* Locate a template and return the path for inclusion.
*
* This is the load order:
*
* yourtheme / $template_path / $template_name
* yourtheme / $template_name
* $default_path / $template_name
*
* @access public
* @param mixed $template_name
* @param string $template_path (default: '')
* @param string $default_path (default: '')
* @return string
*/
function woocommerce_locate_template( $template_name, $template_path = '', $default_path = '' ) {
global $woocommerce;
if ( ! $template_path ) $template_path = $woocommerce->template_url;
if ( ! $default_path ) $default_path = $woocommerce->plugin_path() . '/templates/';
// Look within passed path within the theme - this is priority
$template = locate_template(
array(
trailingslashit( $template_path ) . $template_name,
$template_name
)
);
// Get default template
if ( ! $template )
$template = $default_path . $template_name;
// Return what we found
return apply_filters('woocommerce_locate_template', $template, $template_name, $template_path);
}
/**
* Get Base Currency Code.
*
* @access public
* @return string
*/
function get_woocommerce_currency() {
return apply_filters( 'woocommerce_currency', get_option('woocommerce_currency') );
}
/**
* Get full list of currency codes.
*
* @access public
* @return void
*/
function get_woocommerce_currencies() {
return array_unique(
apply_filters( 'woocommerce_currencies',
array(
'AUD' => __( 'Australian Dollars', 'woocommerce' ),
'BRL' => __( 'Brazilian Real', 'woocommerce' ),
'CAD' => __( 'Canadian Dollars', 'woocommerce' ),
'RMB' => __( 'Chinese Yuan', 'woocommerce' ),
'CZK' => __( 'Czech Koruna', 'woocommerce' ),
'DKK' => __( 'Danish Krone', 'woocommerce' ),
'EUR' => __( 'Euros', 'woocommerce' ),
'HKD' => __( 'Hong Kong Dollar', 'woocommerce' ),
'HUF' => __( 'Hungarian Forint', 'woocommerce' ),
'IDR' => __( 'Indonesia Rupiah', 'woocommerce' ),
'INR' => __( 'Indian Rupee', 'woocommerce' ),
'ILS' => __( 'Israeli Shekel', 'woocommerce' ),
'JPY' => __( 'Japanese Yen', 'woocommerce' ),
'KRW' => __( 'South Korean Won', 'woocommerce' ),
'MYR' => __( 'Malaysian Ringgits', 'woocommerce' ),
'MXN' => __( 'Mexican Peso', 'woocommerce' ),
'NOK' => __( 'Norwegian Krone', 'woocommerce' ),
'NZD' => __( 'New Zealand Dollar', 'woocommerce' ),
'PHP' => __( 'Philippine Pesos', 'woocommerce' ),
'PLN' => __( 'Polish Zloty', 'woocommerce' ),
'GBP' => __( 'Pounds Sterling', 'woocommerce' ),
'RON' => __( 'Romanian Leu', 'woocommerce' ),
'SGD' => __( 'Singapore Dollar', 'woocommerce' ),
'ZAR' => __( 'South African rand', 'woocommerce' ),
'SEK' => __( 'Swedish Krona', 'woocommerce' ),
'CHF' => __( 'Swiss Franc', 'woocommerce' ),
'TWD' => __( 'Taiwan New Dollars', 'woocommerce' ),
'THB' => __( 'Thai Baht', 'woocommerce' ),
'TRY' => __( 'Turkish Lira', 'woocommerce' ),
'USD' => __( 'US Dollars', 'woocommerce' ),
)
)
);
}
/**
* Get Currency symbol.
*
* @access public
* @param string $currency (default: '')
* @return string
*/
function get_woocommerce_currency_symbol( $currency = '' ) {
if ( ! $currency )
$currency = get_woocommerce_currency();
switch ( $currency ) {
case 'BRL' :
$currency_symbol = 'R$';
break;
case 'AUD' :
case 'CAD' :
case 'MXN' :
case 'NZD' :
case 'HKD' :
case 'SGD' :
case 'USD' :
$currency_symbol = '$';
break;
case 'EUR' :
$currency_symbol = '€';
break;
case 'CNY' :
case 'RMB' :
case 'JPY' :
$currency_symbol = '¥';
break;
case 'KRW' : $currency_symbol = '₩'; break;
case 'TRY' : $currency_symbol = 'TL'; break;
case 'NOK' : $currency_symbol = 'kr'; break;
case 'ZAR' : $currency_symbol = 'R'; break;
case 'CZK' : $currency_symbol = 'Kč'; break;
case 'MYR' : $currency_symbol = 'RM'; break;
case 'DKK' : $currency_symbol = 'kr'; break;
case 'HUF' : $currency_symbol = 'Ft'; break;
case 'IDR' : $currency_symbol = 'Rp'; break;
case 'INR' : $currency_symbol = '₹'; break;
case 'ILS' : $currency_symbol = '₪'; break;
case 'PHP' : $currency_symbol = '₱'; break;
case 'PLN' : $currency_symbol = 'zł'; break;
case 'SEK' : $currency_symbol = 'kr'; break;
case 'CHF' : $currency_symbol = 'CHF'; break;
case 'TWD' : $currency_symbol = 'NT$'; break;
case 'THB' : $currency_symbol = '฿'; break;
case 'GBP' : $currency_symbol = '£'; break;
case 'RON' : $currency_symbol = 'lei'; break;
default : $currency_symbol = ''; break;
}
return apply_filters( 'woocommerce_currency_symbol', $currency_symbol, $currency );
}
/**
* Format the price with a currency symbol.
*
* @access public
* @param float $price
* @param array $args (default: array())
* @return string
*/
function woocommerce_price( $price, $args = array() ) {
global $woocommerce;
extract( shortcode_atts( array(
'ex_tax_label' => '0'
), $args ) );
$return = '';
$num_decimals = (int) get_option( 'woocommerce_price_num_decimals' );
$currency_pos = get_option( 'woocommerce_currency_pos' );
$currency_symbol = get_woocommerce_currency_symbol();
$decimal_sep = wp_specialchars_decode( stripslashes( get_option( 'woocommerce_price_decimal_sep' ) ), ENT_QUOTES );
$thousands_sep = wp_specialchars_decode( stripslashes( get_option( 'woocommerce_price_thousand_sep' ) ), ENT_QUOTES );
$price = apply_filters( 'raw_woocommerce_price', (double) $price );
$price = number_format( $price, $num_decimals, $decimal_sep, $thousands_sep );
if ( get_option( 'woocommerce_price_trim_zeros' ) == 'yes' && $num_decimals > 0 )
$price = woocommerce_trim_zeros( $price );
$return = '<span class="amount">' . sprintf( get_woocommerce_price_format(), $currency_symbol, $price ) . '</span>';
if ( $ex_tax_label && get_option( 'woocommerce_calc_taxes' ) == 'yes' )
$return .= ' <small>' . $woocommerce->countries->ex_tax_or_vat() . '</small>';
return $return;
}
function get_woocommerce_price_format() {
$currency_pos = get_option( 'woocommerce_currency_pos' );
switch ( $currency_pos ) {
case 'left' :
$format = '%1$s%2$s';
break;
case 'right' :
$format = '%2$s%1$s';
break;
case 'left_space' :
$format = '%1$s %2$s';
break;
case 'right_space' :
$format = '%2$s %1$s';
break;
}
return apply_filters( 'woocommerce_price_format', $format, $currency_pos );
}
/**
* Trim trailing zeros off prices.
*
* @access public
* @param mixed $price
* @return string
*/
function woocommerce_trim_zeros( $price ) {
return preg_replace( '/' . preg_quote( get_option( 'woocommerce_price_decimal_sep' ), '/' ) . '0++$/', '', $price );
}
/**
* Formal decimal numbers - format to 4 dp and remove trailing zeros.
*
* @access public
* @param mixed $number
* @return string
*/
function woocommerce_format_decimal( $number, $dp = '' ) {
if ( $dp == '' )
$dp = intval( get_option( 'woocommerce_price_num_decimals' ) );
$number = number_format( (float) $number, (int) $dp, '.', '' );
if ( strstr( $number, '.' ) )
$number = rtrim( rtrim( $number, '0' ), '.' );
return $number;
}
/**
* Formal total costs - format to the number of decimal places for the base currency.
*
* @access public
* @param mixed $number
* @return float
*/
function woocommerce_format_total( $number ) {
return number_format( (float) $number, (int) get_option( 'woocommerce_price_num_decimals' ), '.', '' );
}
/**
* Clean variables
*
* @access public
* @param string $var
* @return string
*/
function woocommerce_clean( $var ) {
return sanitize_text_field( $var );
}
/**
* Merge two arrays
*
* @access public
* @param array $a1
* @param array $a2
* @return array
*/
function woocommerce_array_overlay( $a1, $a2 ) {
foreach( $a1 as $k => $v ) {
if ( ! array_key_exists( $k, $a2 ) )
continue;
if ( is_array( $v ) && is_array( $a2[ $k ] ) ) {
$a1[ $k ] = woocommerce_array_overlay( $v, $a2[ $k ] );
} else {
$a1[ $k ] = $a2[ $k ];
}
}
return $a1;
}
/**
* Get top term
* http://wordpress.stackexchange.com/questions/24794/get-the-the-top-level-parent-of-a-custom-taxonomy-term
*
* @access public
* @param int $term_id
* @param string $taxonomy
* @return int
*/
function woocommerce_get_term_top_most_parent( $term_id, $taxonomy ) {
// start from the current term
$parent = get_term_by( 'id', $term_id, $taxonomy );
// climb up the hierarchy until we reach a term with parent = '0'
while ( $parent->parent != '0' ) {
$term_id = $parent->parent;
$parent = get_term_by( 'id', $term_id, $taxonomy);
}
return $parent;
}
/**
* Variation Formatting
*
* Gets a formatted version of variation data or item meta
*
* @access public
* @param string $variation (default: '')
* @param bool $flat (default: false)
* @return string
*/
function woocommerce_get_formatted_variation( $variation = '', $flat = false ) {
global $woocommerce;
if ( is_array( $variation ) ) {
if ( ! $flat )
$return = '<dl class="variation">';
else
$return = '';
$variation_list = array();
foreach ( $variation as $name => $value ) {
if ( ! $value )
continue;
// If this is a term slug, get the term's nice name
if ( taxonomy_exists( esc_attr( str_replace( 'attribute_', '', $name ) ) ) ) {
$term = get_term_by( 'slug', $value, esc_attr( str_replace( 'attribute_', '', $name ) ) );
if ( ! is_wp_error( $term ) && $term->name )
$value = $term->name;
}
if ( $flat )
$variation_list[] = $woocommerce->attribute_label(str_replace('attribute_', '', $name)).': '.$value;
else
$variation_list[] = '<dt>'.$woocommerce->attribute_label(str_replace('attribute_', '', $name)).':</dt><dd>'.$value.'</dd>';
}
if ( $flat )
$return .= implode( ', ', $variation_list );
else
$return .= implode( '', $variation_list );
if ( ! $flat )
$return .= '</dl>';
return $return;
}
}
if ( ! function_exists( 'woocommerce_rgb_from_hex' ) ) {
/**
* Hex darker/lighter/contrast functions for colours
*
* @access public
* @param mixed $color
* @return string
*/
function woocommerce_rgb_from_hex( $color ) {
$color = str_replace( '#', '', $color );
// Convert shorthand colors to full format, e.g. "FFF" -> "FFFFFF"
$color = preg_replace( '~^(.)(.)(.)$~', '$1$1$2$2$3$3', $color );
$rgb['R'] = hexdec( $color{0}.$color{1} );
$rgb['G'] = hexdec( $color{2}.$color{3} );
$rgb['B'] = hexdec( $color{4}.$color{5} );