734 lines
21 KiB
PHP
734 lines
21 KiB
PHP
<?php
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/**
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* WooCommerce Product Functions
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*
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* Functions for product specific things.
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*
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* @author WooThemes
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* @category Core
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* @package WooCommerce/Functions
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* @version 2.3.0
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*/
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if ( ! defined( 'ABSPATH' ) ) {
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exit; // Exit if accessed directly
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}
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/**
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* Main function for returning products, uses the WC_Product_Factory class.
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*
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* @param mixed $the_product Post object or post ID of the product.
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* @param array $args (default: array()) Contains all arguments to be used to get this product.
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* @return WC_Product
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*/
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function wc_get_product( $the_product = false, $args = array() ) {
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if ( ! did_action( 'woocommerce_init' ) ) {
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_doing_it_wrong( __FUNCTION__, __( 'wc_get_product should not be called before the woocommerce_init action.', 'woocommerce' ), '2.5' );
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return false;
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}
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return WC()->product_factory->get_product( $the_product, $args );
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}
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/**
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* Update a product's stock amount.
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*
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* @param int $product_id
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* @param int $new_stock_level
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*/
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function wc_update_product_stock( $product_id, $new_stock_level ) {
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$product = wc_get_product( $product_id );
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if ( ! metadata_exists( 'post', $product_id, '_stock' ) || $product->get_stock_quantity() !== $new_stock_level ) {
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$product->set_stock( $new_stock_level );
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}
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}
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/**
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* Update a product's stock status.
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*
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* @param int $product_id
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* @param int $status
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*/
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function wc_update_product_stock_status( $product_id, $status ) {
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$product = wc_get_product( $product_id );
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if ( $product ) {
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$product->set_stock_status( $status );
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}
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}
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/**
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* Returns whether or not SKUS are enabled.
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* @return bool
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*/
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function wc_product_sku_enabled() {
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return apply_filters( 'wc_product_sku_enabled', true );
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}
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/**
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* Returns whether or not product weights are enabled.
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* @return bool
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*/
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function wc_product_weight_enabled() {
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return apply_filters( 'wc_product_weight_enabled', true );
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}
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/**
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* Returns whether or not product dimensions (HxWxD) are enabled.
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* @return bool
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*/
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function wc_product_dimensions_enabled() {
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return apply_filters( 'wc_product_dimensions_enabled', true );
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}
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/**
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* Clear all transients cache for product data.
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*
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* @param int $post_id (default: 0)
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*/
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function wc_delete_product_transients( $post_id = 0 ) {
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// Core transients
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$transients_to_clear = array(
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'wc_products_onsale',
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'wc_featured_products',
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'wc_outofstock_count',
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'wc_low_stock_count',
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);
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// Transient names that include an ID
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$post_transient_names = array(
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'wc_product_children_',
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'wc_product_total_stock_',
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'wc_var_prices_',
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'wc_related_',
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);
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if ( $post_id > 0 ) {
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foreach ( $post_transient_names as $transient ) {
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$transients_to_clear[] = $transient . $post_id;
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}
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// Does this product have a parent?
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if ( $parent_id = wp_get_post_parent_id( $post_id ) ) {
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wc_delete_product_transients( $parent_id );
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}
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}
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// Delete transients
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foreach ( $transients_to_clear as $transient ) {
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delete_transient( $transient );
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}
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// Increments the transient version to invalidate cache
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WC_Cache_Helper::get_transient_version( 'product', true );
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do_action( 'woocommerce_delete_product_transients', $post_id );
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}
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/**
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* Function that returns an array containing the IDs of the products that are on sale.
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*
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* @since 2.0
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* @access public
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* @return array
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*/
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function wc_get_product_ids_on_sale() {
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global $wpdb;
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// Load from cache
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$product_ids_on_sale = get_transient( 'wc_products_onsale' );
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// Valid cache found
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if ( false !== $product_ids_on_sale ) {
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return $product_ids_on_sale;
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}
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$on_sale_posts = $wpdb->get_results( "
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SELECT post.ID, post.post_parent FROM `$wpdb->posts` AS post
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LEFT JOIN `$wpdb->postmeta` AS meta ON post.ID = meta.post_id
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LEFT JOIN `$wpdb->postmeta` AS meta2 ON post.ID = meta2.post_id
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WHERE post.post_type IN ( 'product', 'product_variation' )
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AND post.post_status = 'publish'
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AND meta.meta_key = '_sale_price'
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AND meta2.meta_key = '_price'
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AND CAST( meta.meta_value AS DECIMAL ) >= 0
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AND CAST( meta.meta_value AS CHAR ) != ''
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AND CAST( meta.meta_value AS DECIMAL ) = CAST( meta2.meta_value AS DECIMAL )
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GROUP BY post.ID;
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" );
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$product_ids_on_sale = array_unique( array_map( 'absint', array_merge( wp_list_pluck( $on_sale_posts, 'ID' ), array_diff( wp_list_pluck( $on_sale_posts, 'post_parent' ), array( 0 ) ) ) ) );
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set_transient( 'wc_products_onsale', $product_ids_on_sale, DAY_IN_SECONDS * 30 );
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return $product_ids_on_sale;
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}
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/**
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* Function that returns an array containing the IDs of the featured products.
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*
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* @since 2.1
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* @access public
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* @return array
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*/
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function wc_get_featured_product_ids() {
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// Load from cache
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$featured_product_ids = get_transient( 'wc_featured_products' );
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// Valid cache found
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if ( false !== $featured_product_ids )
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return $featured_product_ids;
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$featured = get_posts( array(
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'post_type' => array( 'product', 'product_variation' ),
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'posts_per_page' => -1,
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'post_status' => 'publish',
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'meta_query' => array(
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array(
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'key' => '_visibility',
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'value' => array( 'catalog', 'visible' ),
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'compare' => 'IN',
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),
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array(
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'key' => '_featured',
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'value' => 'yes',
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),
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),
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'fields' => 'id=>parent',
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) );
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$product_ids = array_keys( $featured );
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$parent_ids = array_values( array_filter( $featured ) );
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$featured_product_ids = array_unique( array_merge( $product_ids, $parent_ids ) );
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set_transient( 'wc_featured_products', $featured_product_ids, DAY_IN_SECONDS * 30 );
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return $featured_product_ids;
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}
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/**
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* Filter to allow product_cat in the permalinks for products.
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*
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* @param string $permalink The existing permalink URL.
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* @param WP_Post $post
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* @return string
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*/
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function wc_product_post_type_link( $permalink, $post ) {
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// Abort if post is not a product.
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if ( $post->post_type !== 'product' ) {
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return $permalink;
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}
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// Abort early if the placeholder rewrite tag isn't in the generated URL.
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if ( false === strpos( $permalink, '%' ) ) {
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return $permalink;
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}
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// Get the custom taxonomy terms in use by this post.
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$terms = get_the_terms( $post->ID, 'product_cat' );
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if ( ! empty( $terms ) ) {
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usort( $terms, '_usort_terms_by_ID' ); // order by ID
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$category_object = apply_filters( 'wc_product_post_type_link_product_cat', $terms[0], $terms, $post );
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$category_object = get_term( $category_object, 'product_cat' );
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$product_cat = $category_object->slug;
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if ( $category_object->parent ) {
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$ancestors = get_ancestors( $category_object->term_id, 'product_cat' );
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foreach ( $ancestors as $ancestor ) {
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$ancestor_object = get_term( $ancestor, 'product_cat' );
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$product_cat = $ancestor_object->slug . '/' . $product_cat;
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}
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}
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} else {
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// If no terms are assigned to this post, use a string instead (can't leave the placeholder there)
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$product_cat = _x( 'uncategorized', 'slug', 'woocommerce' );
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}
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$find = array(
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'%year%',
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'%monthnum%',
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'%day%',
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'%hour%',
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'%minute%',
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'%second%',
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'%post_id%',
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'%category%',
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'%product_cat%',
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);
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$replace = array(
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date_i18n( 'Y', strtotime( $post->post_date ) ),
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date_i18n( 'm', strtotime( $post->post_date ) ),
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date_i18n( 'd', strtotime( $post->post_date ) ),
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date_i18n( 'H', strtotime( $post->post_date ) ),
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date_i18n( 'i', strtotime( $post->post_date ) ),
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date_i18n( 's', strtotime( $post->post_date ) ),
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$post->ID,
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$product_cat,
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$product_cat,
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);
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$permalink = str_replace( $find, $replace, $permalink );
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return $permalink;
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}
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add_filter( 'post_type_link', 'wc_product_post_type_link', 10, 2 );
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/**
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* Get the placeholder image URL for products etc.
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*
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* @access public
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* @return string
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*/
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function wc_placeholder_img_src() {
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return apply_filters( 'woocommerce_placeholder_img_src', WC()->plugin_url() . '/assets/images/placeholder.png' );
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}
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/**
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* Get the placeholder image.
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*
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* @access public
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* @return string
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*/
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function wc_placeholder_img( $size = 'shop_thumbnail' ) {
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$dimensions = wc_get_image_size( $size );
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return apply_filters( 'woocommerce_placeholder_img', '<img src="' . wc_placeholder_img_src() . '" alt="' . esc_attr__( 'Placeholder', 'woocommerce' ) . '" width="' . esc_attr( $dimensions['width'] ) . '" class="woocommerce-placeholder wp-post-image" height="' . esc_attr( $dimensions['height'] ) . '" />', $size, $dimensions );
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}
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/**
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* Variation Formatting.
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*
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* Gets a formatted version of variation data or item meta.
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*
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* @access public
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* @param string $variation
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* @param bool $flat (default: false)
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* @return string
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*/
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function wc_get_formatted_variation( $variation, $flat = false ) {
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$return = '';
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if ( is_array( $variation ) ) {
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if ( ! $flat ) {
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$return = '<dl class="variation">';
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}
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$variation_list = array();
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foreach ( $variation as $name => $value ) {
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if ( ! $value ) {
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continue;
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}
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// If this is a term slug, get the term's nice name
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if ( taxonomy_exists( esc_attr( str_replace( 'attribute_', '', $name ) ) ) ) {
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$term = get_term_by( 'slug', $value, esc_attr( str_replace( 'attribute_', '', $name ) ) );
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if ( ! is_wp_error( $term ) && ! empty( $term->name ) ) {
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$value = $term->name;
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}
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} else {
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$value = ucwords( str_replace( '-', ' ', $value ) );
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}
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if ( $flat ) {
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$variation_list[] = wc_attribute_label( str_replace( 'attribute_', '', $name ) ) . ': ' . rawurldecode( $value );
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} else {
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$variation_list[] = '<dt>' . wc_attribute_label( str_replace( 'attribute_', '', $name ) ) . ':</dt><dd>' . rawurldecode( $value ) . '</dd>';
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}
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}
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if ( $flat ) {
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$return .= implode( ', ', $variation_list );
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} else {
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$return .= implode( '', $variation_list );
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}
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if ( ! $flat ) {
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$return .= '</dl>';
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}
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}
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return $return;
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}
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/**
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* Function which handles the start and end of scheduled sales via cron.
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*
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* @access public
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*/
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function wc_scheduled_sales() {
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global $wpdb;
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// Sales which are due to start
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$product_ids = $wpdb->get_col( $wpdb->prepare( "
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SELECT postmeta.post_id FROM {$wpdb->postmeta} as postmeta
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LEFT JOIN {$wpdb->postmeta} as postmeta_2 ON postmeta.post_id = postmeta_2.post_id
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LEFT JOIN {$wpdb->postmeta} as postmeta_3 ON postmeta.post_id = postmeta_3.post_id
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WHERE postmeta.meta_key = '_sale_price_dates_from'
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AND postmeta_2.meta_key = '_price'
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AND postmeta_3.meta_key = '_sale_price'
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AND postmeta.meta_value > 0
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AND postmeta.meta_value < %s
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AND postmeta_2.meta_value != postmeta_3.meta_value
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", current_time( 'timestamp' ) ) );
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if ( $product_ids ) {
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foreach ( $product_ids as $product_id ) {
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$sale_price = get_post_meta( $product_id, '_sale_price', true );
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if ( $sale_price ) {
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update_post_meta( $product_id, '_price', $sale_price );
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} else {
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// No sale price!
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update_post_meta( $product_id, '_sale_price_dates_from', '' );
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update_post_meta( $product_id, '_sale_price_dates_to', '' );
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}
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$parent = wp_get_post_parent_id( $product_id );
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// Sync parent
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if ( $parent ) {
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// Clear prices transient for variable products.
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delete_transient( 'wc_var_prices_' . $parent );
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// Grouped products need syncing via a function
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$this_product = wc_get_product( $product_id );
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if ( $this_product->is_type( 'simple' ) ) {
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$this_product->grouped_product_sync();
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}
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}
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}
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delete_transient( 'wc_products_onsale' );
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}
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// Sales which are due to end
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$product_ids = $wpdb->get_col( $wpdb->prepare( "
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SELECT postmeta.post_id FROM {$wpdb->postmeta} as postmeta
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LEFT JOIN {$wpdb->postmeta} as postmeta_2 ON postmeta.post_id = postmeta_2.post_id
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LEFT JOIN {$wpdb->postmeta} as postmeta_3 ON postmeta.post_id = postmeta_3.post_id
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WHERE postmeta.meta_key = '_sale_price_dates_to'
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AND postmeta_2.meta_key = '_price'
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AND postmeta_3.meta_key = '_regular_price'
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AND postmeta.meta_value > 0
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AND postmeta.meta_value < %s
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AND postmeta_2.meta_value != postmeta_3.meta_value
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", current_time( 'timestamp' ) ) );
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if ( $product_ids ) {
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foreach ( $product_ids as $product_id ) {
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$regular_price = get_post_meta( $product_id, '_regular_price', true );
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update_post_meta( $product_id, '_price', $regular_price );
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update_post_meta( $product_id, '_sale_price', '' );
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update_post_meta( $product_id, '_sale_price_dates_from', '' );
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update_post_meta( $product_id, '_sale_price_dates_to', '' );
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$parent = wp_get_post_parent_id( $product_id );
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// Sync parent
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if ( $parent ) {
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// Grouped products need syncing via a function
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$this_product = wc_get_product( $product_id );
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if ( $this_product->is_type( 'simple' ) ) {
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$this_product->grouped_product_sync();
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}
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}
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}
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WC_Cache_Helper::get_transient_version( 'product', true );
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delete_transient( 'wc_products_onsale' );
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}
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}
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add_action( 'woocommerce_scheduled_sales', 'wc_scheduled_sales' );
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/**
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* Get attachment image attributes.
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*
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* @access public
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* @param array $attr
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* @return array
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*/
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function wc_get_attachment_image_attributes( $attr ) {
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if ( strstr( $attr['src'], 'woocommerce_uploads/' ) ) {
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$attr['src'] = wc_placeholder_img_src();
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}
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return $attr;
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}
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add_filter( 'wp_get_attachment_image_attributes', 'wc_get_attachment_image_attributes' );
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/**
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* Prepare attachment for JavaScript.
|
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*
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* @access public
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* @param array $response
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* @return array
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*/
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function wc_prepare_attachment_for_js( $response ) {
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if ( isset( $response['url'] ) && strstr( $response['url'], 'woocommerce_uploads/' ) ) {
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$response['full']['url'] = wc_placeholder_img_src();
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if ( isset( $response['sizes'] ) ) {
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foreach ( $response['sizes'] as $size => $value ) {
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$response['sizes'][ $size ]['url'] = wc_placeholder_img_src();
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}
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}
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}
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return $response;
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}
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add_filter( 'wp_prepare_attachment_for_js', 'wc_prepare_attachment_for_js' );
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/**
|
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* Track product views.
|
|
*/
|
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function wc_track_product_view() {
|
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if ( ! is_singular( 'product' ) || ! is_active_widget( false, false, 'woocommerce_recently_viewed_products', true ) ) {
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return;
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}
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global $post;
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if ( empty( $_COOKIE['woocommerce_recently_viewed'] ) )
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$viewed_products = array();
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else
|
|
$viewed_products = (array) explode( '|', $_COOKIE['woocommerce_recently_viewed'] );
|
|
|
|
if ( ! in_array( $post->ID, $viewed_products ) ) {
|
|
$viewed_products[] = $post->ID;
|
|
}
|
|
|
|
if ( sizeof( $viewed_products ) > 15 ) {
|
|
array_shift( $viewed_products );
|
|
}
|
|
|
|
// Store for session only
|
|
wc_setcookie( 'woocommerce_recently_viewed', implode( '|', $viewed_products ) );
|
|
}
|
|
|
|
add_action( 'template_redirect', 'wc_track_product_view', 20 );
|
|
|
|
/**
|
|
* Get product types.
|
|
*
|
|
* @since 2.2
|
|
* @return array
|
|
*/
|
|
function wc_get_product_types() {
|
|
return (array) apply_filters( 'product_type_selector', array(
|
|
'simple' => __( 'Simple product', 'woocommerce' ),
|
|
'grouped' => __( 'Grouped product', 'woocommerce' ),
|
|
'external' => __( 'External/Affiliate product', 'woocommerce' ),
|
|
'variable' => __( 'Variable product', 'woocommerce' ),
|
|
) );
|
|
}
|
|
|
|
/**
|
|
* Check if product sku is unique.
|
|
*
|
|
* @since 2.2
|
|
* @param int $product_id
|
|
* @param string $sku Will be slashed to work around https://core.trac.wordpress.org/ticket/27421
|
|
* @return bool
|
|
*/
|
|
function wc_product_has_unique_sku( $product_id, $sku ) {
|
|
global $wpdb;
|
|
|
|
$sku_found = $wpdb->get_var( $wpdb->prepare( "
|
|
SELECT $wpdb->posts.ID
|
|
FROM $wpdb->posts
|
|
LEFT JOIN $wpdb->postmeta ON ( $wpdb->posts.ID = $wpdb->postmeta.post_id )
|
|
WHERE $wpdb->posts.post_type IN ( 'product', 'product_variation' )
|
|
AND $wpdb->posts.post_status = 'publish'
|
|
AND $wpdb->postmeta.meta_key = '_sku' AND $wpdb->postmeta.meta_value = '%s'
|
|
AND $wpdb->postmeta.post_id <> %d LIMIT 1
|
|
", wp_slash( $sku ), $product_id ) );
|
|
|
|
if ( apply_filters( 'wc_product_has_unique_sku', $sku_found, $product_id, $sku ) ) {
|
|
return false;
|
|
} else {
|
|
return true;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Get product ID by SKU.
|
|
*
|
|
* @since 2.3.0
|
|
* @param string $sku
|
|
* @return int
|
|
*/
|
|
function wc_get_product_id_by_sku( $sku ) {
|
|
global $wpdb;
|
|
|
|
$product_id = $wpdb->get_var( $wpdb->prepare( "
|
|
SELECT posts.ID
|
|
FROM $wpdb->posts AS posts
|
|
LEFT JOIN $wpdb->postmeta AS postmeta ON ( posts.ID = postmeta.post_id )
|
|
WHERE posts.post_type IN ( 'product', 'product_variation' )
|
|
AND postmeta.meta_key = '_sku' AND postmeta.meta_value = '%s'
|
|
LIMIT 1
|
|
", $sku ) );
|
|
|
|
return ( $product_id ) ? intval( $product_id ) : 0;
|
|
}
|
|
|
|
/**
|
|
* Save product price.
|
|
*
|
|
* This is a private function (internal use ONLY) used until a data manipulation api is built.
|
|
*
|
|
* @since 2.4.0
|
|
* @todo look into Data manipulation API
|
|
*
|
|
* @param int $product_id
|
|
* @param float $regular_price
|
|
* @param float $sale_price
|
|
* @param string $date_from
|
|
* @param string $date_to
|
|
*/
|
|
function _wc_save_product_price( $product_id, $regular_price, $sale_price = '', $date_from = '', $date_to = '' ) {
|
|
$product_id = absint( $product_id );
|
|
$regular_price = wc_format_decimal( $regular_price );
|
|
$sale_price = $sale_price === '' ? '' : wc_format_decimal( $sale_price );
|
|
$date_from = wc_clean( $date_from );
|
|
$date_to = wc_clean( $date_to );
|
|
|
|
update_post_meta( $product_id, '_regular_price', $regular_price );
|
|
update_post_meta( $product_id, '_sale_price', $sale_price );
|
|
|
|
// Save Dates
|
|
update_post_meta( $product_id, '_sale_price_dates_from', $date_from ? strtotime( $date_from ) : '' );
|
|
update_post_meta( $product_id, '_sale_price_dates_to', $date_to ? strtotime( $date_to ) : '' );
|
|
|
|
if ( $date_to && ! $date_from ) {
|
|
$date_from = strtotime( 'NOW', current_time( 'timestamp' ) );
|
|
update_post_meta( $product_id, '_sale_price_dates_from', $date_from );
|
|
}
|
|
|
|
// Update price if on sale
|
|
if ( '' !== $sale_price && '' === $date_to && '' === $date_from ) {
|
|
update_post_meta( $product_id, '_price', $sale_price );
|
|
} else {
|
|
update_post_meta( $product_id, '_price', $regular_price );
|
|
}
|
|
|
|
if ( '' !== $sale_price && $date_from && strtotime( $date_from ) < strtotime( 'NOW', current_time( 'timestamp' ) ) ) {
|
|
update_post_meta( $product_id, '_price', $sale_price );
|
|
}
|
|
|
|
if ( $date_to && strtotime( $date_to ) < strtotime( 'NOW', current_time( 'timestamp' ) ) ) {
|
|
update_post_meta( $product_id, '_price', $regular_price );
|
|
update_post_meta( $product_id, '_sale_price_dates_from', '' );
|
|
update_post_meta( $product_id, '_sale_price_dates_to', '' );
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Get attibutes/data for an individual variation from the database and maintain it's integrity.
|
|
* @since 2.4.0
|
|
* @param int $variation_id
|
|
* @return array
|
|
*/
|
|
function wc_get_product_variation_attributes( $variation_id ) {
|
|
// Build variation data from meta
|
|
$all_meta = get_post_meta( $variation_id );
|
|
$parent_id = wp_get_post_parent_id( $variation_id );
|
|
$parent_attributes = array_filter( (array) get_post_meta( $parent_id, '_product_attributes', true ) );
|
|
$found_parent_attributes = array();
|
|
$variation_attributes = array();
|
|
|
|
// Compare to parent variable product attributes and ensure they match
|
|
foreach ( $parent_attributes as $attribute_name => $options ) {
|
|
if ( ! empty( $options['is_variation'] ) ) {
|
|
$attribute = 'attribute_' . sanitize_title( $attribute_name );
|
|
$found_parent_attributes[] = $attribute;
|
|
if ( ! array_key_exists( $attribute, $variation_attributes ) ) {
|
|
$variation_attributes[ $attribute ] = ''; // Add it - 'any' will be asumed
|
|
}
|
|
}
|
|
}
|
|
|
|
// Get the variation attributes from meta
|
|
foreach ( $all_meta as $name => $value ) {
|
|
// Only look at valid attribute meta, and also compare variation level attributes and remove any which do not exist at parent level
|
|
if ( 0 !== strpos( $name, 'attribute_' ) || ! in_array( $name, $found_parent_attributes ) ) {
|
|
unset( $variation_attributes[ $name ] );
|
|
continue;
|
|
}
|
|
/**
|
|
* Pre 2.4 handling where 'slugs' were saved instead of the full text attribute.
|
|
* Attempt to get full version of the text attribute from the parent.
|
|
*/
|
|
if ( sanitize_title( $value[0] ) === $value[0] && version_compare( get_post_meta( $parent_id, '_product_version', true ), '2.4.0', '<' ) ) {
|
|
foreach ( $parent_attributes as $attribute ) {
|
|
if ( $name !== 'attribute_' . sanitize_title( $attribute['name'] ) ) {
|
|
continue;
|
|
}
|
|
$text_attributes = wc_get_text_attributes( $attribute['value'] );
|
|
|
|
foreach ( $text_attributes as $text_attribute ) {
|
|
if ( sanitize_title( $text_attribute ) === $value[0] ) {
|
|
$value[0] = $text_attribute;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
$variation_attributes[ $name ] = $value[0];
|
|
}
|
|
|
|
return $variation_attributes;
|
|
}
|
|
|
|
/**
|
|
* Get all product cats for a product by ID, including hierarchy
|
|
* @since 2.5.0
|
|
* @param int $product_id
|
|
* @return array
|
|
*/
|
|
function wc_get_product_cat_ids( $product_id ) {
|
|
$product_cats = wp_get_post_terms( $product_id, 'product_cat', array( "fields" => "ids" ) );
|
|
|
|
foreach ( $product_cats as $product_cat ) {
|
|
$product_cats = array_merge( $product_cats, get_ancestors( $product_cat, 'product_cat' ) );
|
|
}
|
|
|
|
return $product_cats;
|
|
}
|
|
|
|
/**
|
|
* Gets data about an attachment, such as alt text and captions.
|
|
* @since 2.6.0
|
|
* @param object|bool $product
|
|
* @return array
|
|
*/
|
|
function wc_get_product_attachment_props( $attachment_id, $product = false ) {
|
|
$props = array(
|
|
'title' => '',
|
|
'caption' => '',
|
|
'url' => '',
|
|
'alt' => '',
|
|
);
|
|
if ( $attachment_id ) {
|
|
$attachment = get_post( $attachment_id );
|
|
$props['title'] = trim( strip_tags( $attachment->post_title ) );
|
|
$props['caption'] = trim( strip_tags( $attachment->post_excerpt ) );
|
|
$props['url'] = wp_get_attachment_url( $attachment_id );
|
|
$props['alt'] = trim( strip_tags( get_post_meta( $attachment_id, '_wp_attachment_image_alt', true ) ) );
|
|
|
|
// Alt text fallbacks
|
|
$props['alt'] = empty( $props['alt'] ) ? $props['caption'] : $props['alt'];
|
|
$props['alt'] = empty( $props['alt'] ) ? trim( strip_tags( $attachment->post_title ) ) : $props['alt'];
|
|
$props['alt'] = empty( $props['alt'] ) && $product ? trim( strip_tags( get_the_title( $product->ID ) ) ) : $props['alt'];
|
|
}
|
|
return $props;
|
|
}
|