id = absint( $product->ID ); $this->post = $product; } else { $this->id = absint( $product ); $this->post = get_post( $this->id ); } } /** * __isset function. * * @access public * @param mixed $key * @return bool */ public function __isset( $key ) { return metadata_exists( 'post', $this->id, '_' . $key ); } /** * __get function. * * @access public * @param mixed $key * @return mixed */ public function __get( $key ) { // Get values or default if not set if ( in_array( $key, array( 'downloadable', 'virtual', 'backorders', 'manage_stock', 'featured', 'sold_individually' ) ) ) $value = ( $value = get_post_meta( $this->id, '_' . $key, true ) ) ? $value : 'no'; elseif( in_array( $key, array( 'product_attributes', 'crosssell_ids', 'upsell_ids' ) ) ) $value = ( $value = get_post_meta( $this->id, '_' . $key, true ) ) ? $value : array(); elseif ( 'visibility' == $key ) $value = ( $value = get_post_meta( $this->id, '_visibility', true ) ) ? $value : 'hidden'; elseif ( 'stock' == $key ) $value = ( $value = get_post_meta( $this->id, '_stock', true ) ) ? $value : 0; elseif ( 'stock_status' == $key ) $value = ( $value = get_post_meta( $this->id, '_stock_status', true ) ) ? $value : 'instock'; elseif ( 'tax_status' == $key ) $value = ( $value = get_post_meta( $this->id, '_tax_status', true ) ) ? $value : 'taxable'; else $value = get_post_meta( $this->id, '_' . $key, true ); return $value; } /** * Get the product's post data. * * @access public * @return object */ public function get_post_data() { return $this->post; } /** * get_gallery_attachment_ids function. * * @access public * @return array */ function get_gallery_attachment_ids() { if ( ! isset( $this->product_image_gallery ) ) { // Backwards compat $attachment_ids = array_diff( get_posts( 'post_parent=' . $this->id . '&numberposts=-1&post_type=attachment&orderby=menu_order&order=ASC&post_mime_type=image&fields=ids' ), array( get_post_thumbnail_id() ) ); $this->product_image_gallery = implode( ',', $attachment_ids ); } return (array) explode( ',', $this->product_image_gallery ); } /** * Get SKU (Stock-keeping unit) - product unique ID. * * @return string */ function get_sku() { return $this->sku; } /** * Returns number of items available for sale. * * @access public * @return int */ function get_stock_quantity() { return $this->managing_stock() ? apply_filters( 'woocommerce_stock_amount', $this->stock ) : ''; } /** * Get total stock. * * @access public * @return int */ function get_total_stock() { return $this->get_stock_quantity(); } /** * Set stock level of the product. * * @access public * @param mixed $amount (default: null) * @return int Stock */ function set_stock( $amount = null ) { global $woocommerce; if ( $this->managing_stock() && ! is_null( $amount ) ) { $this->stock = intval( $amount ); update_post_meta( $this->id, '_stock', $this->stock ); // Out of stock attribute if ( ! $this->backorders_allowed() && $this->get_total_stock() <= 0 ) $this->set_stock_status( 'outofstock' ); elseif ( $this->backorders_allowed() || $this->get_total_stock() > 0 ) $this->set_stock_status( 'instock' ); $woocommerce->clear_product_transients( $this->id ); // Clear transient return $this->get_stock_quantity(); } } /** * Reduce stock level of the product. * * @access public * @param int $by (default: 1) Amount to reduce by. * @return int Stock */ function reduce_stock( $by = 1 ) { global $woocommerce; if ( $this->managing_stock() ) { $this->stock = $this->stock - $by; update_post_meta( $this->id, '_stock', $this->stock ); // Out of stock attribute if ( ! $this->backorders_allowed() && $this->get_total_stock() <= 0 ) $this->set_stock_status( 'outofstock' ); $woocommerce->clear_product_transients( $this->id ); // Clear transient return $this->get_stock_quantity(); } } /** * Increase stock level of the product. * * @access public * @param int $by (default: 1) Amount to increase by * @return int Stock */ function increase_stock( $by = 1 ) { global $woocommerce; if ( $this->managing_stock() ) { $this->stock = $this->stock + $by; update_post_meta( $this->id, '_stock', $this->stock ); // Out of stock attribute if ( $this->backorders_allowed() || $this->get_total_stock() > 0 ) $this->set_stock_status( 'instock' ); $woocommerce->clear_product_transients( $this->id ); // Clear transient return $this->get_stock_quantity(); } } /** * set_stock_status function. * * @access public * @return void */ function set_stock_status( $status ) { $status = 'outofstock' ? 'outofstock' : 'instock'; if ( $this->stock_status != $status ) { update_post_meta( $this->id, '_stock_status', $status ); do_action( 'woocommerce_product_set_stock_status', $this->id, $status ); } } /** * Checks the product type. * * Backwards compat with downloadable/virtual. * * @access public * @param mixed $type Array or string of types * @return bool */ function is_type( $type ) { return ( $this->product_type == $type || ( is_array( $type ) && in_array( $this->product_type, $type ) ) ) ? true : false; } /** * Checks if a product is downloadable * * @access public * @return bool */ function is_downloadable() { return $this->downloadable == 'yes' ? true : false; } /** * Check if downloadable product has a file attached. * * @since 1.6.2 * * @access public * @param string $download_id file identifier * @return bool Whether downloadable product has a file attached. */ function has_file( $download_id = '' ) { return ( $this->is_downloadable() && $this->get_file_download_path( $download_id ) ) ? true : false; } /** * Get file download path identified by $download_id * * @access public * @param string $download_id file identifier * @return array */ function get_file_download_path( $download_id ) { $file_paths = isset( $this->file_paths ) ? $this->file_paths : ''; $file_paths = maybe_unserialize( $file_paths ); $file_paths = apply_filters( 'woocommerce_file_download_paths', $file_paths, $this->id, null, null ); if ( ! $download_id && count( $file_paths ) == 1 ) { // backwards compatibility for old-style download URLs and template files $file_path = array_shift( $file_paths ); } elseif ( isset( $file_paths[ $download_id ] ) ) { $file_path = $file_paths[ $download_id ]; } else { $file_path = ''; } // allow overriding based on the particular file being requested return apply_filters( 'woocommerce_file_download_path', $file_path, $this->id, $download_id ); } /** * Checks if a product is virtual (has no shipping). * * @access public * @return bool */ function is_virtual() { return $this->virtual == 'yes' ? true : false; } /** * Checks if a product needs shipping. * * @access public * @return bool */ function needs_shipping() { return $this->is_virtual() ? false : true; } /** * Check if a product is sold individually (no quantities) * * @access public * @return bool */ function is_sold_individually() { $return = false; // Sold individually if downloadable, virtual, and the option is enabled OR if intentionally a singular item if ( 'yes' == $this->sold_individually || ( $this->is_downloadable() && $this->is_virtual() && get_option('woocommerce_limit_downloadable_product_qty') == 'yes' ) || ( ! $this->backorders_allowed() && $this->get_stock_quantity() == 1 ) ) { $return = true; } return apply_filters( 'woocommerce_is_sold_individually', $return, $this ); } /** * get_children function. * * @access public * @return bool */ function get_children() { return array(); } /** * Returns whether or not the product has any child product. * * @access public * @return bool */ function has_child() { return false; } /** * Returns whether or not the product post exists. * * @access public * @return bool */ function exists() { return empty( $this->post ) ? false : true; } /** * Returns whether or not the product is taxable. * * @access public * @return bool */ function is_taxable() { return $this->tax_status == 'taxable' && get_option( 'woocommerce_calc_taxes' ) == 'yes' ? true : false; } /** * Returns whether or not the product shipping is taxable. * * @access public * @return bool */ function is_shipping_taxable() { return $this->tax_status=='taxable' || $this->tax_status=='shipping' ? true : false; } /** * Get the title of the post. * * @access public * @return string */ function get_title() { return apply_filters( 'woocommerce_product_title', apply_filters( 'the_title', $this->post->post_title, $this->id ), $this ); } /** * Get the parent of the post. * * @access public * @return int */ function get_parent() { return apply_filters('woocommerce_product_parent', $this->post->post_parent, $this); } /** * Get the add to url. * * @access public * @return string */ function add_to_cart_url() { return apply_filters( 'woocommerce_add_to_cart_url', add_query_arg( 'add-to-cart', $this->id ) ); } /** * Returns whether or not the product is stock managed. * * @access public * @return bool */ function managing_stock() { return ( ! isset( $this->manage_stock ) || $this->manage_stock == 'no' || get_option('woocommerce_manage_stock') != 'yes' ) ? false : true; } /** * Returns whether or not the product is in stock. * * @access public * @return bool */ function is_in_stock() { if ( $this->managing_stock() ) { if ( $this->backorders_allowed() ) { return true; } else { if ( $this->get_total_stock() < 1 ) { return false; } else { if ( $this->stock_status == 'instock' ) return true; else return false; } } } else { if ( $this->stock_status == 'instock' ) return true; else return false; } } /** * Returns whether or not the product can be backordered. * * @access public * @return bool */ function backorders_allowed() { return $this->backorders == 'yes' || $this->backorders == 'notify' ? true : false; } /** * Returns whether or not the product needs to notify the customer on backorder. * * @access public * @return bool */ function backorders_require_notification() { return $this->managing_stock() && $this->backorders == 'notify' ? true : false; } /** * is_on_backorder function. * * @access public * @param int $qty_in_cart (default: 0) * @return bool */ function is_on_backorder( $qty_in_cart = 0 ) { return $this->managing_stock() && $this->backorders_allowed() && ( $this->get_total_stock() - $qty_in_cart ) < 0 ? true : false; } /** * Returns whether or not the product has enough stock for the order. * * @access public * @param mixed $quantity * @return bool */ function has_enough_stock( $quantity ) { return ! $this->managing_stock() || $this->backorders_allowed() || $this->stock >= $quantity ? true : false; } /** * Returns the availability of the product. * * @access public * @return string */ function get_availability() { $availability = $class = ""; if ( $this->managing_stock() ) { if ( $this->is_in_stock() ) { if ( $this->get_total_stock() > 0 ) { $format_option = get_option( 'woocommerce_stock_format' ); switch ( $format_option ) { case 'no_amount' : $format = __( 'In stock', 'woocommerce' ); break; case 'low_amount' : $low_amount = get_option( 'woocommerce_notify_low_stock_amount' ); $format = ( $this->get_total_stock() <= $low_amount ) ? __( 'Only %s left in stock', 'woocommerce' ) : __( 'In stock', 'woocommerce' ); break; default : $format = __( '%s in stock', 'woocommerce' ); break; } $availability = sprintf( $format, $this->stock ); if ( $this->backorders_allowed() && $this->backorders_require_notification() ) $availability .= ' ' . __( '(backorders allowed)', 'woocommerce' ); } else { if ( $this->backorders_allowed() ) { if ( $this->backorders_require_notification() ) { $availability = __( 'Available on backorder', 'woocommerce' ); $class = 'available-on-backorder'; } else { $availability = __( 'In stock', 'woocommerce' ); } } else { $availability = __( 'Out of stock', 'woocommerce' ); $class = 'out-of-stock'; } } } elseif ( $this->backorders_allowed() ) { $availability = __( 'Available on backorder', 'woocommerce' ); $class = 'available-on-backorder'; } else { $availability = __( 'Out of stock', 'woocommerce' ); $class = 'out-of-stock'; } } elseif ( ! $this->is_in_stock() ) { $availability = __( 'Out of stock', 'woocommerce' ); $class = 'out-of-stock'; } return apply_filters( 'woocommerce_get_availability', array( 'availability' => $availability, 'class' => $class ), $this ); } /** * Returns whether or not the product is featured. * * @access public * @return bool */ function is_featured() { return $this->featured == 'yes' ? true : false; } /** * Returns whether or not the product is visible. * * @access public * @return bool */ function is_visible() { $visible = true; // Out of stock visibility if ( get_option( 'woocommerce_hide_out_of_stock_items' ) == 'yes' && ! $this->is_in_stock() ) $visible = false; // visibility setting elseif ( $this->visibility == 'hidden' ) $visible = false; elseif ( $this->visibility == 'visible' ) $visible = true; // Visibility in loop elseif ( $this->visibility == 'search' && is_search() ) $visible = true; elseif ( $this->visibility == 'search' && ! is_search() ) $visible = false; elseif ( $this->visibility == 'catalog' && is_search() ) $visible = false; elseif ( $this->visibility == 'catalog' && ! is_search() ) $visible = true; return apply_filters( 'woocommerce_product_is_visible', $visible, $this->id ); } /** * Returns whether or not the product is on sale. * * @access public * @return bool */ function is_on_sale() { return $this->sale_price && $this->sale_price == $this->price ? true : false; } /** * Returns the product's weight. * * @access public * @return string */ function get_weight() { if ( $this->weight ) return $this->weight; } /** * Set a products price dynamically. * * @access public * @param float $price Price to set. * @return void */ function set_price( $price ) { $this->price = $price; } /** * Adjust a products price dynamically. * * @access public * @param mixed $price * @return void */ function adjust_price( $price ) { if ( $price > 0 ) $this->price += $price; else $this->price = $this->price - $price; } /** * Returns the product's price. * * @access public * @return string */ function get_price() { return apply_filters( 'woocommerce_get_price', $this->price, $this ); } /** * Returns false if the product cannot be bought. * * @access public * @return cool */ function is_purchasable() { $purchasable = true; // Products must exist of course if ( ! $this->exists() ) $purchasable = false; // Other products types need a price to be set elseif ( $this->get_price() === '' ) $purchasable = false; return apply_filters( 'woocommerce_is_purchasable', $purchasable, $this ); } /** * Returns the price (including tax). Uses customer tax rates. Can work for a specific $qty for more accurate taxes. * * @access public * @return string */ function get_price_including_tax( $qty = 1 ) { global $woocommerce; $_tax = new WC_Tax(); $price = $this->get_price(); if ( $this->is_taxable() ) { if ( get_option('woocommerce_prices_include_tax') == 'no' ) { $tax_rates = $_tax->get_rates( $this->get_tax_class() ); $taxes = $_tax->calc_tax( $price * $qty, $tax_rates, false ); $tax_amount = $_tax->get_tax_total( $taxes ); $price = round( $price * $qty + $tax_amount, 2 ); } else { $tax_rates = $_tax->get_rates( $this->get_tax_class() ); $base_tax_rates = $_tax->get_shop_base_rate( $this->tax_class ); if ( $woocommerce->customer->is_vat_exempt() ) { $base_taxes = $_tax->calc_tax( $price * $qty, $base_tax_rates, true ); $base_tax_amount = array_sum( $base_taxes ); $price = round( $price * $qty - $base_tax_amount, 2 ); } elseif ( $tax_rates !== $base_tax_rates ) { $base_taxes = $_tax->calc_tax( $price * $qty, $base_tax_rates, true, true ); $modded_taxes = $_tax->calc_tax( $price * $qty - array_sum( $base_taxes ), $tax_rates, false ); $price = round( $price * $qty - array_sum( $base_taxes ) + array_sum( $modded_taxes ), 2 ); } else { $price = $price * $qty; } } } else { $price = $price * $qty; } return apply_filters( 'woocommerce_get_price_including_tax', $price, $qty, $this ); } /** * Returns the price (excluding tax) - ignores tax_class filters since the price may *include* tax and thus needs subtracting. * Uses store base tax rates. Can work for a specific $qty for more accurate taxes. * * @access public * @return string */ function get_price_excluding_tax( $qty = 1 ) { $price = $this->get_price(); if ( $this->is_taxable() && get_option('woocommerce_prices_include_tax') == 'yes' ) { $_tax = new WC_Tax(); $tax_rates = $_tax->get_shop_base_rate( $this->tax_class ); $taxes = $_tax->calc_tax( $price * $qty, $tax_rates, true ); $tax_amount = $_tax->get_tax_total( $taxes ); $price = round( $price * $qty - $tax_amount, 2 ); } else { $price = $price * $qty; } return apply_filters( 'woocommerce_get_price_excluding_tax', $price, $qty, $this ); } /** * Returns the tax class. * * @access public * @return string */ function get_tax_class() { return apply_filters( 'woocommerce_product_tax_class', $this->tax_class, $this ); } /** * Returns the tax status. * * @access public * @return string */ function get_tax_status() { return $this->tax_status; } /** * Returns the price in html format. * * @access public * @param string $price (default: '') * @return string */ function get_price_html( $price = '' ) { if ( $this->price > 0 ) { if ( $this->is_on_sale() && isset( $this->regular_price ) ) { $price .= $this->get_price_html_from_to( $this->regular_price, $this->get_price() ); $price = apply_filters( 'woocommerce_sale_price_html', $price, $this ); } else { $price .= woocommerce_price( $this->get_price() ); $price = apply_filters( 'woocommerce_price_html', $price, $this ); } } elseif ( $this->price === '' ) { $price = apply_filters( 'woocommerce_empty_price_html', '', $this ); } elseif ( $this->price == 0 ) { if ( $this->is_on_sale() && isset( $this->regular_price ) ) { $price .= $this->get_price_html_from_to( $this->regular_price, __( 'Free!', 'woocommerce' ) ); $price = apply_filters( 'woocommerce_free_sale_price_html', $price, $this ); } else { $price = __( 'Free!', 'woocommerce' ); $price = apply_filters( 'woocommerce_free_price_html', $price, $this ); } } return apply_filters( 'woocommerce_get_price_html', $price, $this ); } /** * Functions for getting parts of a price, in html, used by get_price_html. * * @access public * @return string */ function get_price_html_from_text() { return '' . _x('From:', 'min_price', 'woocommerce') . ' '; } /** * Functions for getting parts of a price, in html, used by get_price_html. * * @access public * @return string */ function get_price_html_from_to( $from, $to ) { return '' . ( ( is_numeric( $from ) ) ? woocommerce_price( $from ) : $from ) . ' ' . ( ( is_numeric( $to ) ) ? woocommerce_price( $to ) : $to ) . ''; } /** * get_average_rating function. * * @access public * @return void */ function get_average_rating() { if ( false === ( $average_rating = get_transient( 'wc_average_rating_' . $this->id ) ) ) { global $wpdb; $average_rating = ''; $count = $this->get_rating_count(); if ( $count > 0 ) { $ratings = $wpdb->get_var( $wpdb->prepare(" SELECT SUM(meta_value) FROM $wpdb->commentmeta LEFT JOIN $wpdb->comments ON $wpdb->commentmeta.comment_id = $wpdb->comments.comment_ID WHERE meta_key = 'rating' AND comment_post_ID = %d AND comment_approved = '1' ", $this->id ) ); $average_rating = number_format( $ratings / $count, 2 ); } set_transient( 'wc_average_rating_' . $this->id, $average_rating ); } return $average_rating; } /** * get_rating_count function. * * @access public * @return void */ function get_rating_count() { if ( false === ( $count = get_transient( 'wc_rating_count_' . $this->id ) ) ) { global $wpdb; $count = $wpdb->get_var( $wpdb->prepare(" SELECT COUNT(meta_value) FROM $wpdb->commentmeta LEFT JOIN $wpdb->comments ON $wpdb->commentmeta.comment_id = $wpdb->comments.comment_ID WHERE meta_key = 'rating' AND comment_post_ID = %d AND comment_approved = '1' AND meta_value > 0 ", $this->id ) ); set_transient( 'wc_rating_count_' . $this->id, $count ); } return $count; } /** * Returns the product rating in html format - ratings are stored in transient cache. * * @access public * @param string $location (default: '') * @return void */ function get_rating_html( $location = '' ) { $average_rating = $this->get_average_rating(); if ( $average_rating > 0 ) { if ( $location ) $location = '_' . $location; $average_rating = $this->get_average_rating(); $rating_html = '
'; $rating_html .= '' . $average_rating . ' ' . __( 'out of 5', 'woocommerce' ) . ''; $rating_html .= '
'; return $rating_html; } } /** * Returns the upsell product ids. * * @access public * @return array */ function get_upsells() { return (array) maybe_unserialize( $this->upsell_ids ); } /** * Returns the crosssell product ids. * * @access public * @return array */ function get_cross_sells() { return (array) maybe_unserialize( $this->crosssell_ids ); } /** * Returns the product categories. * * @access public * @param string $sep (default: ') * @param mixed ' * @param string $before (default: '') * @param string $after (default: '') * @return array */ function get_categories( $sep = ', ', $before = '', $after = '' ) { return get_the_term_list( $this->id, 'product_cat', $before, $sep, $after ); } /** * Returns the product tags. * * @access public * @param string $sep (default: ') * @param mixed ' * @param string $before (default: '') * @param string $after (default: '') * @return array */ function get_tags( $sep = ', ', $before = '', $after = '' ) { return get_the_term_list( $this->id, 'product_tag', $before, $sep, $after ); } /** * Returns the product shipping class. * * @access public * @return string */ function get_shipping_class() { if ( ! $this->shipping_class ) { $classes = get_the_terms( $this->id, 'product_shipping_class' ); if ( $classes && ! is_wp_error( $classes ) ) $this->shipping_class = current( $classes )->slug; else $this->shipping_class = ''; } return $this->shipping_class; } /** * Returns the product shipping class ID. * * @access public * @return int */ function get_shipping_class_id() { if ( ! $this->shipping_class_id ) { $classes = get_the_terms( $this->id, 'product_shipping_class' ); if ( $classes && ! is_wp_error( $classes ) ) $this->shipping_class_id = current( $classes )->term_id; else $this->shipping_class_id = 0; } return absint( $this->shipping_class_id ); } /** * Get and return related products. * * @access public * @param int $limit (default: 5) * @return array Array of post IDs */ function get_related( $limit = 5 ) { global $woocommerce; // Related products are found from category and tag $tags_array = array(0); $cats_array = array(0); // Get tags $terms = wp_get_post_terms($this->id, 'product_tag'); foreach ( $terms as $term ) $tags_array[] = $term->term_id; // Get categories $terms = wp_get_post_terms($this->id, 'product_cat'); foreach ( $terms as $term ) $cats_array[] = $term->term_id; // Don't bother if none are set if ( sizeof($cats_array)==1 && sizeof($tags_array)==1 ) return array(); // Meta query $meta_query = array(); $meta_query[] = $woocommerce->query->visibility_meta_query(); $meta_query[] = $woocommerce->query->stock_status_meta_query(); // Get the posts $related_posts = get_posts( apply_filters('woocommerce_product_related_posts', array( 'orderby' => 'rand', 'posts_per_page' => $limit, 'post_type' => 'product', 'fields' => 'ids', 'meta_query' => $meta_query, 'tax_query' => array( 'relation' => 'OR', array( 'taxonomy' => 'product_cat', 'field' => 'id', 'terms' => $cats_array ), array( 'taxonomy' => 'product_tag', 'field' => 'id', 'terms' => $tags_array ) ) ) ) ); $related_posts = array_diff( $related_posts, array( $this->id ), $this->get_upsells() ); return $related_posts; } /** * Returns a single product attribute. * * @access public * @param mixed $attr * @return mixed */ function get_attribute( $attr ) { $attributes = $this->get_attributes(); $attr = sanitize_title( $attr ); if ( isset( $attributes[ $attr ] ) || isset( $attributes[ 'pa_' . $attr ] ) ) { $attribute = isset( $attributes[ $attr ] ) ? $attributes[ $attr ] : $attributes[ 'pa_' . $attr ]; if ( $attribute['is_taxonomy'] ) { return implode( ', ', woocommerce_get_product_terms( $this->id, $attribute['name'], 'names' ) ); } else { return $attribute['value']; } } return false; } /** * Returns product attributes. * * @access public * @return array */ function get_attributes() { return (array) maybe_unserialize( $this->product_attributes ); } /** * Returns whether or not the product has any attributes set. * * @access public * @return mixed */ function has_attributes() { if ( sizeof( $this->get_attributes() ) > 0 ) { foreach ( $this->get_attributes() as $attribute ) { if ( isset( $attribute['is_visible'] ) && $attribute['is_visible'] ) return true; } } return false; } /** * Returns whether or not we are showing dimensions on the product page. * * @access public * @return bool */ function enable_dimensions_display() { return get_option( 'woocommerce_enable_dimension_product_attributes' ) == 'yes' ? true : false; } /** * Returns whether or not the product has dimensions set. * * @access public * @return bool */ function has_dimensions() { return $this->get_dimensions() ? true : false; } /** * Returns whether or not the product has weight set. * * @access public * @return bool */ function has_weight() { return $this->get_weight() ? true : false; } /** * Returns dimensions. * * @access public * @return string */ function get_dimensions() { if ( ! $this->dimensions ) { $dimensions = array(); if ( $this->length ) $dimensions[] = $this->length; if ( $this->width ) $dimensions[] = $this->width; if ( $this->height ) $dimensions[] = $this->height; $this->dimensions = implode( ' x ', $dimensions ); if ( ! empty( $this->dimensions ) ) $this->dimensions .= ' ' . get_option( 'woocommerce_dimension_unit' ); } return $this->dimensions; } /** * Lists a table of attributes for the product page. * * @access public * @return void */ function list_attributes() { woocommerce_get_template( 'single-product/product-attributes.php', array( 'product' => $this ) ); } /** * Returns the main product image * * @access public * @param string $size (default: 'shop_thumbnail') * @return string */ function get_image( $size = 'shop_thumbnail', $attr = array() ) { global $woocommerce; $image = ''; if ( has_post_thumbnail( $this->id ) ) { $image = get_the_post_thumbnail( $this->id, $size, $attr ); } elseif ( ( $parent_id = wp_get_post_parent_id( $this->id ) ) && has_post_thumbnail( $parent_id ) ) { $image = get_the_post_thumbnail( $parent_id, $size, $attr ); } else { $image = woocommerce_placeholder_img( $size ); } return $image; } }