/**
* Loads an array of attributes used for variations, as well as their possible values.
*
* @param WC_Product
*/
private function read_variation_attributes(&$product)
{
global $wpdb;
$variation_attributes = array();
$attributes = $product->get_attributes();
$child_ids = $product->get_children();
if (!empty($child_ids) && !empty($attributes)) {
foreach ($attributes as $attribute) {
if (empty($attribute['is_variation'])) {
continue;
}
// Get possible values for this attribute, for only visible variations.
$values = array_unique($wpdb->get_col($wpdb->prepare("SELECT meta_value FROM {$wpdb->postmeta} WHERE meta_key = %s AND post_id IN (" . implode(',', array_map('esc_sql', $child_ids)) . ")", wc_variation_attribute_name($attribute['name']))));
// Empty value indicates that all options for given attribute are available.
if (in_array('', $values) || empty($values)) {
$values = $attribute['is_taxonomy'] ? wc_get_object_terms($product->get_id(), $attribute['name'], 'slug') : wc_get_text_attributes($attribute['value']);
// Get custom attributes (non taxonomy) as defined.
} elseif (!$attribute['is_taxonomy']) {
$text_attributes = wc_get_text_attributes($attribute['value']);
$assigned_text_attributes = $values;
$values = array();
// Pre 2.4 handling where 'slugs' were saved instead of the full text attribute
if (version_compare(get_post_meta($product->get_id(), '_product_version', true), '2.4.0', '<')) {
$assigned_text_attributes = array_map('sanitize_title', $assigned_text_attributes);
foreach ($text_attributes as $text_attribute) {
if (in_array(sanitize_title($text_attribute), $assigned_text_attributes)) {
$values[] = $text_attribute;
}
}
} else {
foreach ($text_attributes as $text_attribute) {
if (in_array($text_attribute, $assigned_text_attributes)) {
$values[] = $text_attribute;
}
}
}
}
$variation_attributes[$attribute['name']] = array_unique($values);
}
}
$product->set_variation_attributes($variation_attributes);
}
/**
* Get attribute options.
*
* @param int $product_id
* @param array $attribute
* @return array
*/
protected function get_attribute_options($product_id, $attribute)
{
if (isset($attribute['is_taxonomy']) && $attribute['is_taxonomy']) {
return wc_get_object_terms($product_id, $attribute['name'], 'name');
} elseif (isset($attribute['value'])) {
return array_map('trim', explode('|', $attribute['value']));
}
return array();
}
/**
* Wrapper for wp_get_post_terms which supports ordering by parent.
*
* NOTE: At this point in time, ordering by menu_order for example isn't possible with this function. wp_get_post_terms has no.
* filters which we can utilise to modify it's query. https://core.trac.wordpress.org/ticket/19094.
*
* @param int $product_id Product ID.
* @param string $taxonomy Taxonomy slug.
* @param array $args Query arguments.
* @return array
*/
function wc_get_product_terms($product_id, $taxonomy, $args = array())
{
if (!taxonomy_exists($taxonomy)) {
return array();
}
if (empty($args['orderby']) && taxonomy_is_product_attribute($taxonomy)) {
$args['orderby'] = wc_attribute_orderby($taxonomy);
}
// Support ordering by parent.
if (!empty($args['orderby']) && in_array($args['orderby'], array('name_num', 'parent'))) {
$fields = isset($args['fields']) ? $args['fields'] : 'all';
$orderby = $args['orderby'];
// Unset for wp_get_post_terms.
unset($args['orderby']);
unset($args['fields']);
$terms = _wc_get_cached_product_terms($product_id, $taxonomy, $args);
switch ($orderby) {
case 'name_num':
usort($terms, '_wc_get_product_terms_name_num_usort_callback');
break;
case 'parent':
usort($terms, '_wc_get_product_terms_parent_usort_callback');
break;
}
switch ($fields) {
case 'names':
$terms = wp_list_pluck($terms, 'name');
break;
case 'ids':
$terms = wp_list_pluck($terms, 'term_id');
break;
case 'slugs':
$terms = wp_list_pluck($terms, 'slug');
break;
}
} elseif (!empty($args['orderby']) && 'menu_order' === $args['orderby']) {
// wp_get_post_terms doesn't let us use custom sort order.
$args['include'] = wc_get_object_terms($product_id, $taxonomy, 'id');
if (empty($args['include'])) {
$terms = array();
} else {
// This isn't needed for get_terms.
unset($args['orderby']);
// Set args for get_terms.
$args['menu_order'] = isset($args['order']) ? $args['order'] : 'ASC';
$args['hide_empty'] = isset($args['hide_empty']) ? $args['hide_empty'] : 0;
$args['fields'] = isset($args['fields']) ? $args['fields'] : 'names';
// Ensure slugs is valid for get_terms - slugs isn't supported.
$args['fields'] = 'slugs' === $args['fields'] ? 'id=>slug' : $args['fields'];
$terms = get_terms($taxonomy, $args);
}
} else {
$terms = _wc_get_cached_product_terms($product_id, $taxonomy, $args);
}
return apply_filters('woocommerce_get_product_terms', $terms, $product_id, $taxonomy, $args);
}
/**
* Count terms. These are done at this point so all product props are set in advance.
*
* @param WC_Product
* @since 2.7.0
*/
protected function update_term_counts(&$product)
{
if (!wp_defer_term_counting()) {
global $wc_allow_term_recount;
$wc_allow_term_recount = true;
$post_type = $product->is_type('variation') ? 'product_variation' : 'product';
// Update counts for the post's terms.
foreach ((array) get_object_taxonomies($post_type) as $taxonomy) {
$tt_ids = wc_get_object_terms($product->get_id(), $taxonomy, 'term_taxonomy_id');
wp_update_term_count($tt_ids, $taxonomy);
}
}
}
/**
* Output a list of variation attributes for use in the cart forms.
*
* @param array $args
* @since 2.4.0
*/
function wc_dropdown_variation_attribute_options($args = array())
{
$args = wp_parse_args(apply_filters('woocommerce_dropdown_variation_attribute_options_args', $args), array('options' => false, 'attribute' => false, 'product' => false, 'selected' => false, 'name' => '', 'id' => '', 'class' => '', 'show_option_none' => __('Choose an option', 'woocommerce')));
$options = $args['options'];
$product = $args['product'];
$attribute = $args['attribute'];
$name = $args['name'] ? $args['name'] : 'attribute_' . sanitize_title($attribute);
$id = $args['id'] ? $args['id'] : sanitize_title($attribute);
$class = $args['class'];
$show_option_none = $args['show_option_none'] ? true : false;
if (empty($options) && !empty($product) && !empty($attribute)) {
$attributes = $product->get_variation_attributes();
$options = $attributes[$attribute];
}
$html = '<select id="' . esc_attr($id) . '" class="' . esc_attr($class) . '" name="' . esc_attr($name) . '" data-attribute_name="attribute_' . esc_attr(sanitize_title($attribute)) . '" data-show_option_none="' . ($show_option_none ? 'yes' : 'no') . '">';
if ($show_option_none) {
$html .= '<option value="">' . esc_html($args['show_option_none']) . '</option>';
}
if (!empty($options)) {
if ($product && taxonomy_exists($attribute)) {
// Get terms if this is a taxonomy - ordered. We need the names too.
$terms = wc_get_object_terms($product->get_id(), $attribute);
foreach ($terms as $term) {
if (in_array($term->slug, $options)) {
$html .= '<option value="' . esc_attr($term->slug) . '" ' . selected(sanitize_title($args['selected']), $term->slug, false) . '>' . esc_html(apply_filters('woocommerce_variation_option_name', $term->name)) . '</option>';
}
}
} else {
foreach ($options as $option) {
// This handles < 2.4.0 bw compatibility where text attributes were not sanitized.
$selected = sanitize_title($args['selected']) === $args['selected'] ? selected($args['selected'], sanitize_title($option), false) : selected($args['selected'], $option, false);
$html .= '<option value="' . esc_attr($option) . '" ' . $selected . '>' . esc_html(apply_filters('woocommerce_variation_option_name', $option)) . '</option>';
}
}
}
$html .= '</select>';
echo apply_filters('woocommerce_dropdown_variation_attribute_options_html', $html, $args);
}
/**
* Returns a single product attribute as a string.
* @param string $attribute to get.
* @return string
*/
public function get_attribute($attribute)
{
$attributes = $this->get_attributes();
$attribute = sanitize_title($attribute);
if (isset($attributes[$attribute])) {
$attribute_object = $attributes[$attribute];
} elseif (isset($attributes['pa_' . $attribute])) {
$attribute_object = $attributes['pa_' . $attribute];
} else {
return '';
}
return $attribute_object->is_taxonomy() ? implode(', ', wc_get_object_terms($this->get_id(), $attribute_object->get_name(), 'name')) : wc_implode_text_attributes($attribute_object->get_options());
}
/**
* Copy the taxonomies of a post to another post.
*
* @param mixed $id
* @param mixed $new_id
* @param mixed $post_type
*/
private function duplicate_post_taxonomies($id, $new_id, $post_type)
{
$exclude = array_filter(apply_filters('woocommerce_duplicate_product_exclude_taxonomies', array()));
$taxonomies = array_diff(get_object_taxonomies($post_type), $exclude);
foreach ($taxonomies as $taxonomy) {
$post_terms = wc_get_object_terms($id, $taxonomy);
$post_terms_count = sizeof($post_terms);
for ($i = 0; $i < $post_terms_count; $i++) {
wp_set_object_terms($new_id, $post_terms[$i]->slug, $taxonomy, true);
}
}
}
_e('Dimensions', 'woocommerce');
?>
</th>
<td class="product_dimensions"><?php
echo esc_html(wc_format_dimensions($product->get_dimensions(false)));
?>
</td>
</tr>
<?php
}
?>
<?php
foreach ($attributes as $attribute) {
?>
<tr>
<th><?php
echo wc_attribute_label($attribute->get_name());
?>
</th>
<td><?php
$values = $attribute->is_taxonomy() ? wc_get_object_terms($product->get_id(), $attribute->get_name(), 'name') : $attribute->get_options();
echo apply_filters('woocommerce_attribute', wpautop(wptexturize(implode(', ', $values))), $attribute, $values);
?>
</td>
</tr>
<?php
}
?>
</table>
