File "wc-attribute-functions.php"
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Charset: utf-8
<?php
/**
* WooCommerce Attribute Functions
*
* @package WooCommerce\Functions
* @version 2.1.0
*/
defined( 'ABSPATH' ) || exit;
/**
* Gets text attributes from a string.
*
* @since 2.4
* @param string $raw_attributes Raw attributes.
* @return array
*/
function wc_get_text_attributes( $raw_attributes ) {
return array_filter( array_map( 'trim', explode( WC_DELIMITER, html_entity_decode( $raw_attributes, ENT_QUOTES, get_bloginfo( 'charset' ) ) ) ), 'wc_get_text_attributes_filter_callback' );
}
/**
* See if an attribute is actually valid.
*
* @since 3.0.0
* @param string $value Value.
* @return bool
*/
function wc_get_text_attributes_filter_callback( $value ) {
return '' !== $value;
}
/**
* Implode an array of attributes using WC_DELIMITER.
*
* @since 3.0.0
* @param array $attributes Attributes list.
* @return string
*/
function wc_implode_text_attributes( $attributes ) {
return implode( ' ' . WC_DELIMITER . ' ', $attributes );
}
/**
* Get attribute taxonomies.
*
* @return array of objects, @since 3.6.0 these are also indexed by ID.
*/
function wc_get_attribute_taxonomies() {
$prefix = WC_Cache_Helper::get_cache_prefix( 'woocommerce-attributes' );
$cache_key = $prefix . 'attributes';
$cache_value = wp_cache_get( $cache_key, 'woocommerce-attributes' );
if ( false !== $cache_value ) {
return $cache_value;
}
$raw_attribute_taxonomies = get_transient( 'wc_attribute_taxonomies' );
if ( false === $raw_attribute_taxonomies ) {
global $wpdb;
$raw_attribute_taxonomies = $wpdb->get_results( "SELECT * FROM {$wpdb->prefix}woocommerce_attribute_taxonomies WHERE attribute_name != '' ORDER BY attribute_name ASC;" );
set_transient( 'wc_attribute_taxonomies', $raw_attribute_taxonomies );
}
/**
* Filter attribute taxonomies.
*
* @param array $attribute_taxonomies Results of the DB query. Each taxonomy is an object.
*/
$raw_attribute_taxonomies = (array) array_filter( apply_filters( 'woocommerce_attribute_taxonomies', $raw_attribute_taxonomies ) );
// Index by ID for easier lookups.
$attribute_taxonomies = array();
foreach ( $raw_attribute_taxonomies as $result ) {
$attribute_taxonomies[ 'id:' . $result->attribute_id ] = $result;
}
wp_cache_set( $cache_key, $attribute_taxonomies, 'woocommerce-attributes' );
return $attribute_taxonomies;
}
/**
* Get (cached) attribute taxonomy ID and name pairs.
*
* @since 3.6.0
* @return array
*/
function wc_get_attribute_taxonomy_ids() {
$prefix = WC_Cache_Helper::get_cache_prefix( 'woocommerce-attributes' );
$cache_key = $prefix . 'ids';
$cache_value = wp_cache_get( $cache_key, 'woocommerce-attributes' );
if ( false !== $cache_value ) {
return $cache_value;
}
$taxonomy_ids = array_map( 'absint', wp_list_pluck( wc_get_attribute_taxonomies(), 'attribute_id', 'attribute_name' ) );
wp_cache_set( $cache_key, $taxonomy_ids, 'woocommerce-attributes' );
return $taxonomy_ids;
}
/**
* Get (cached) attribute taxonomy label and name pairs.
*
* @since 3.6.0
* @return array
*/
function wc_get_attribute_taxonomy_labels() {
$prefix = WC_Cache_Helper::get_cache_prefix( 'woocommerce-attributes' );
$cache_key = $prefix . 'labels';
$cache_value = wp_cache_get( $cache_key, 'woocommerce-attributes' );
if ( false !== $cache_value ) {
return $cache_value;
}
$taxonomy_labels = wp_list_pluck( wc_get_attribute_taxonomies(), 'attribute_label', 'attribute_name' );
wp_cache_set( $cache_key, $taxonomy_labels, 'woocommerce-attributes' );
return $taxonomy_labels;
}
/**
* Get a product attribute name.
*
* @param string $attribute_name Attribute name.
* @return string
*/
function wc_attribute_taxonomy_name( $attribute_name ) {
return $attribute_name ? 'pa_' . wc_sanitize_taxonomy_name( $attribute_name ) : '';
}
/**
* Get the attribute name used when storing values in post meta.
*
* @since 2.6.0
* @param string $attribute_name Attribute name.
* @return string
*/
function wc_variation_attribute_name( $attribute_name ) {
return 'attribute_' . sanitize_title( $attribute_name );
}
/**
* Get a product attribute name by ID.
*
* @since 2.4.0
* @param int $attribute_id Attribute ID.
* @return string Return an empty string if attribute doesn't exist.
*/
function wc_attribute_taxonomy_name_by_id( $attribute_id ) {
$taxonomy_ids = wc_get_attribute_taxonomy_ids();
$attribute_name = (string) array_search( $attribute_id, $taxonomy_ids, true );
return wc_attribute_taxonomy_name( $attribute_name );
}
/**
* Get a product attribute ID by name.
*
* @since 2.6.0
* @param string $name Attribute name.
* @return int
*/
function wc_attribute_taxonomy_id_by_name( $name ) {
$name = wc_attribute_taxonomy_slug( $name );
$taxonomy_ids = wc_get_attribute_taxonomy_ids();
return isset( $taxonomy_ids[ $name ] ) ? $taxonomy_ids[ $name ] : 0;
}
/**
* Get a product attributes label.
*
* @param string $name Attribute name.
* @param WC_Product $product Product data.
* @return string
*/
function wc_attribute_label( $name, $product = '' ) {
if ( taxonomy_is_product_attribute( $name ) ) {
$slug = wc_attribute_taxonomy_slug( $name );
$all_labels = wc_get_attribute_taxonomy_labels();
$label = isset( $all_labels[ $slug ] ) ? $all_labels[ $slug ] : $slug;
} elseif ( $product ) {
if ( $product->is_type( 'variation' ) ) {
$product = wc_get_product( $product->get_parent_id() );
}
$attributes = array();
if ( false !== $product ) {
$attributes = $product->get_attributes();
}
// Attempt to get label from product, as entered by the user.
if ( $attributes && isset( $attributes[ sanitize_title( $name ) ] ) ) {
$label = $attributes[ sanitize_title( $name ) ]->get_name();
} else {
$label = $name;
}
} else {
$label = $name;
}
return apply_filters( 'woocommerce_attribute_label', $label, $name, $product );
}
/**
* Get a product attributes orderby setting.
*
* @param string $name Attribute name.
* @return string
*/
function wc_attribute_orderby( $name ) {
$name = wc_attribute_taxonomy_slug( $name );
$id = wc_attribute_taxonomy_id_by_name( $name );
$taxonomies = wc_get_attribute_taxonomies();
return apply_filters( 'woocommerce_attribute_orderby', isset( $taxonomies[ 'id:' . $id ] ) ? $taxonomies[ 'id:' . $id ]->attribute_orderby : 'menu_order', $name );
}
/**
* Get an array of product attribute taxonomies.
*
* @return array
*/
function wc_get_attribute_taxonomy_names() {
$taxonomy_names = array();
$attribute_taxonomies = wc_get_attribute_taxonomies();
if ( ! empty( $attribute_taxonomies ) ) {
foreach ( $attribute_taxonomies as $tax ) {
$taxonomy_names[] = wc_attribute_taxonomy_name( $tax->attribute_name );
}
}
return $taxonomy_names;
}
/**
* Get attribute types.
*
* @since 2.4.0
* @return array
*/
function wc_get_attribute_types() {
return (array) apply_filters(
'product_attributes_type_selector',
array(
'select' => __( 'Select', 'woocommerce' ),
)
);
}
/**
* Check if there are custom attribute types.
*
* @since 3.3.2
* @return bool True if there are custom types, otherwise false.
*/
function wc_has_custom_attribute_types() {
$types = wc_get_attribute_types();
return 1 < count( $types ) || ! array_key_exists( 'select', $types );
}
/**
* Get attribute type label.
*
* @since 3.0.0
* @param string $type Attribute type slug.
* @return string
*/
function wc_get_attribute_type_label( $type ) {
$types = wc_get_attribute_types();
return isset( $types[ $type ] ) ? $types[ $type ] : __( 'Select', 'woocommerce' );
}
/**
* Check if attribute name is reserved.
* https://codex.wordpress.org/Function_Reference/register_taxonomy#Reserved_Terms.
*
* @since 2.4.0
* @param string $attribute_name Attribute name.
* @return bool
*/
function wc_check_if_attribute_name_is_reserved( $attribute_name ) {
// Forbidden attribute names.
$reserved_terms = array(
'attachment',
'attachment_id',
'author',
'author_name',
'calendar',
'cat',
'category',
'category__and',
'category__in',
'category__not_in',
'category_name',
'comments_per_page',
'comments_popup',
'cpage',
'day',
'debug',
'error',
'exact',
'feed',
'hour',
'link_category',
'm',
'minute',
'monthnum',
'more',
'name',
'nav_menu',
'nopaging',
'offset',
'order',
'orderby',
'p',
'page',
'page_id',
'paged',
'pagename',
'pb',
'perm',
'post',
'post__in',
'post__not_in',
'post_format',
'post_mime_type',
'post_status',
'post_tag',
'post_type',
'posts',
'posts_per_archive_page',
'posts_per_page',
'preview',
'robots',
's',
'search',
'second',
'sentence',
'showposts',
'static',
'subpost',
'subpost_id',
'tag',
'tag__and',
'tag__in',
'tag__not_in',
'tag_id',
'tag_slug__and',
'tag_slug__in',
'taxonomy',
'tb',
'term',
'type',
'w',
'withcomments',
'withoutcomments',
'year',
);
return in_array( $attribute_name, $reserved_terms, true );
}
/**
* Callback for array filter to get visible only.
*
* @since 3.0.0
* @param WC_Product_Attribute $attribute Attribute data.
* @return bool
*/
function wc_attributes_array_filter_visible( $attribute ) {
return $attribute && is_a( $attribute, 'WC_Product_Attribute' ) && $attribute->get_visible() && ( ! $attribute->is_taxonomy() || taxonomy_exists( $attribute->get_name() ) );
}
/**
* Callback for array filter to get variation attributes only.
*
* @since 3.0.0
* @param WC_Product_Attribute $attribute Attribute data.
* @return bool
*/
function wc_attributes_array_filter_variation( $attribute ) {
return $attribute && is_a( $attribute, 'WC_Product_Attribute' ) && $attribute->get_variation();
}
/**
* Check if an attribute is included in the attributes area of a variation name.
*
* @since 3.0.2
* @param string $attribute Attribute value to check for.
* @param string $name Product name to check in.
* @return bool
*/
function wc_is_attribute_in_product_name( $attribute, $name ) {
$is_in_name = stristr( $name, ' ' . $attribute . ',' ) || 0 === stripos( strrev( $name ), strrev( ' ' . $attribute ) );
return apply_filters( 'woocommerce_is_attribute_in_product_name', $is_in_name, $attribute, $name );
}
/**
* Callback for array filter to get default attributes. Will allow for '0' string values, but regard all other
* class PHP FALSE equivalents normally.
*
* @since 3.1.0
* @param mixed $attribute Attribute being considered for exclusion from parent array.
* @return bool
*/
function wc_array_filter_default_attributes( $attribute ) {
return is_scalar( $attribute ) && ( ! empty( $attribute ) || '0' === $attribute );
}
/**
* Get attribute data by ID.
*
* @since 3.2.0
* @param int $id Attribute ID.
* @return stdClass|null
*/
function wc_get_attribute( $id ) {
$attributes = wc_get_attribute_taxonomies();
if ( ! isset( $attributes[ 'id:' . $id ] ) ) {
return null;
}
$data = $attributes[ 'id:' . $id ];
$attribute = new stdClass();
$attribute->id = (int) $data->attribute_id;
$attribute->name = $data->attribute_label;
$attribute->slug = wc_attribute_taxonomy_name( $data->attribute_name );
$attribute->type = $data->attribute_type;
$attribute->order_by = $data->attribute_orderby;
$attribute->has_archives = (bool) $data->attribute_public;
return $attribute;
}
/**
* Create attribute.
*
* @since 3.2.0
* @param array $args Attribute arguments {
* Array of attribute parameters.
*
* @type int $id Unique identifier, used to update an attribute.
* @type string $name Attribute name. Always required.
* @type string $slug Attribute alphanumeric identifier.
* @type string $type Type of attribute.
* Core by default accepts: 'select' and 'text'.
* Default to 'select'.
* @type string $order_by Sort order.
* Accepts: 'menu_order', 'name', 'name_num' and 'id'.
* Default to 'menu_order'.
* @type bool $has_archives Enable or disable attribute archives. False by default.
* }
* @return int|WP_Error
*/
function wc_create_attribute( $args ) {
global $wpdb;
$args = wp_unslash( $args );
$id = ! empty( $args['id'] ) ? intval( $args['id'] ) : 0;
$format = array( '%s', '%s', '%s', '%s', '%d' );
// Name is required.
if ( empty( $args['name'] ) ) {
return new WP_Error( 'missing_attribute_name', __( 'Please, provide an attribute name.', 'woocommerce' ), array( 'status' => 400 ) );
}
// Set the attribute slug.
if ( empty( $args['slug'] ) ) {
$slug = wc_sanitize_taxonomy_name( $args['name'] );
} else {
$slug = preg_replace( '/^pa\_/', '', wc_sanitize_taxonomy_name( $args['slug'] ) );
}
// Validate slug.
if ( strlen( $slug ) > 28 ) {
/* translators: %s: attribute slug */
return new WP_Error( 'invalid_product_attribute_slug_too_long', sprintf( __( 'Slug "%s" is too long (28 characters max). Shorten it, please.', 'woocommerce' ), $slug ), array( 'status' => 400 ) );
} elseif ( wc_check_if_attribute_name_is_reserved( $slug ) ) {
/* translators: %s: attribute slug */
return new WP_Error( 'invalid_product_attribute_slug_reserved_name', sprintf( __( 'Slug "%s" is not allowed because it is a reserved term. Change it, please.', 'woocommerce' ), $slug ), array( 'status' => 400 ) );
} elseif ( ( 0 === $id && taxonomy_exists( wc_attribute_taxonomy_name( $slug ) ) ) || ( isset( $args['old_slug'] ) && $args['old_slug'] !== $slug && taxonomy_exists( wc_attribute_taxonomy_name( $slug ) ) ) ) {
/* translators: %s: attribute slug */
return new WP_Error( 'invalid_product_attribute_slug_already_exists', sprintf( __( 'Slug "%s" is already in use. Change it, please.', 'woocommerce' ), $slug ), array( 'status' => 400 ) );
}
// Validate type.
if ( empty( $args['type'] ) || ! array_key_exists( $args['type'], wc_get_attribute_types() ) ) {
$args['type'] = 'select';
}
// Validate order by.
if ( empty( $args['order_by'] ) || ! in_array( $args['order_by'], array( 'menu_order', 'name', 'name_num', 'id' ), true ) ) {
$args['order_by'] = 'menu_order';
}
$data = array(
'attribute_label' => $args['name'],
'attribute_name' => $slug,
'attribute_type' => $args['type'],
'attribute_orderby' => $args['order_by'],
'attribute_public' => isset( $args['has_archives'] ) ? (int) $args['has_archives'] : 0,
);
// Create or update.
if ( 0 === $id ) {
$results = $wpdb->insert(
$wpdb->prefix . 'woocommerce_attribute_taxonomies',
$data,
$format
);
if ( is_wp_error( $results ) ) {
return new WP_Error( 'cannot_create_attribute', $results->get_error_message(), array( 'status' => 400 ) );
}
$id = $wpdb->insert_id;
/**
* Attribute added.
*
* @param int $id Added attribute ID.
* @param array $data Attribute data.
*/
do_action( 'woocommerce_attribute_added', $id, $data );
} else {
$results = $wpdb->update(
$wpdb->prefix . 'woocommerce_attribute_taxonomies',
$data,
array( 'attribute_id' => $id ),
$format,
array( '%d' )
);
if ( false === $results ) {
return new WP_Error( 'cannot_update_attribute', __( 'Could not update the attribute.', 'woocommerce' ), array( 'status' => 400 ) );
}
// Set old slug to check for database changes.
$old_slug = ! empty( $args['old_slug'] ) ? wc_sanitize_taxonomy_name( $args['old_slug'] ) : $slug;
/**
* Attribute updated.
*
* @param int $id Added attribute ID.
* @param array $data Attribute data.
* @param string $old_slug Attribute old name.
*/
do_action( 'woocommerce_attribute_updated', $id, $data, $old_slug );
if ( $old_slug !== $slug ) {
// Update taxonomies in the wp term taxonomy table.
$wpdb->update(
$wpdb->term_taxonomy,
array( 'taxonomy' => wc_attribute_taxonomy_name( $data['attribute_name'] ) ),
array( 'taxonomy' => 'pa_' . $old_slug )
);
// Update taxonomy ordering term meta.
$wpdb->update(
$wpdb->termmeta,
array( 'meta_key' => 'order' ), // phpcs:ignore WordPress.DB.SlowDBQuery.slow_db_query_meta_key
array( 'meta_key' => 'order_pa_' . sanitize_title( $old_slug ) ) // WPCS: slow query ok.
);
// Update product attributes which use this taxonomy.
$old_taxonomy_name = 'pa_' . $old_slug;
$new_taxonomy_name = 'pa_' . $data['attribute_name'];
$old_attribute_key = sanitize_title( $old_taxonomy_name ); // @see WC_Product::set_attributes().
$new_attribute_key = sanitize_title( $new_taxonomy_name ); // @see WC_Product::set_attributes().
$metadatas = $wpdb->get_results(
$wpdb->prepare(
"SELECT post_id, meta_value FROM {$wpdb->postmeta} WHERE meta_key = '_product_attributes' AND meta_value LIKE %s",
'%' . $wpdb->esc_like( $old_taxonomy_name ) . '%'
),
ARRAY_A
);
foreach ( $metadatas as $metadata ) {
$product_id = $metadata['post_id'];
$unserialized_data = maybe_unserialize( $metadata['meta_value'] );
if ( ! $unserialized_data || ! is_array( $unserialized_data ) || ! isset( $unserialized_data[ $old_attribute_key ] ) ) {
continue;
}
$unserialized_data[ $new_attribute_key ] = $unserialized_data[ $old_attribute_key ];
unset( $unserialized_data[ $old_attribute_key ] );
$unserialized_data[ $new_attribute_key ]['name'] = $new_taxonomy_name;
update_post_meta( $product_id, '_product_attributes', wp_slash( $unserialized_data ) );
}
// Update variations which use this taxonomy.
$wpdb->update(
$wpdb->postmeta,
array( 'meta_key' => 'attribute_pa_' . sanitize_title( $data['attribute_name'] ) ), // WPCS: slow query ok.
array( 'meta_key' => 'attribute_pa_' . sanitize_title( $old_slug ) ) // WPCS: slow query ok.
);
}
}
// Clear cache and flush rewrite rules.
wp_schedule_single_event( time(), 'woocommerce_flush_rewrite_rules' );
delete_transient( 'wc_attribute_taxonomies' );
WC_Cache_Helper::invalidate_cache_group( 'woocommerce-attributes' );
return $id;
}
/**
* Update an attribute.
*
* For available args see wc_create_attribute().
*
* @since 3.2.0
* @param int $id Attribute ID.
* @param array $args Attribute arguments.
* @return int|WP_Error
*/
function wc_update_attribute( $id, $args ) {
global $wpdb;
$attribute = wc_get_attribute( $id );
$args['id'] = $attribute ? $attribute->id : 0;
if ( $args['id'] && empty( $args['name'] ) ) {
$args['name'] = $attribute->name;
}
$args['old_slug'] = $wpdb->get_var(
$wpdb->prepare(
"
SELECT attribute_name
FROM {$wpdb->prefix}woocommerce_attribute_taxonomies
WHERE attribute_id = %d
",
$args['id']
)
);
return wc_create_attribute( $args );
}
/**
* Delete attribute by ID.
*
* @since 3.2.0
* @param int $id Attribute ID.
* @return bool
*/
function wc_delete_attribute( $id ) {
global $wpdb;
$name = $wpdb->get_var(
$wpdb->prepare(
"
SELECT attribute_name
FROM {$wpdb->prefix}woocommerce_attribute_taxonomies
WHERE attribute_id = %d
",
$id
)
);
$taxonomy = wc_attribute_taxonomy_name( $name );
/**
* Before deleting an attribute.
*
* @param int $id Attribute ID.
* @param string $name Attribute name.
* @param string $taxonomy Attribute taxonomy name.
*/
do_action( 'woocommerce_before_attribute_delete', $id, $name, $taxonomy );
if ( $name && $wpdb->query( $wpdb->prepare( "DELETE FROM {$wpdb->prefix}woocommerce_attribute_taxonomies WHERE attribute_id = %d", $id ) ) ) {
if ( taxonomy_exists( $taxonomy ) ) {
$terms = get_terms( $taxonomy, 'orderby=name&hide_empty=0' );
foreach ( $terms as $term ) {
wp_delete_term( $term->term_id, $taxonomy );
}
}
/**
* After deleting an attribute.
*
* @param int $id Attribute ID.
* @param string $name Attribute name.
* @param string $taxonomy Attribute taxonomy name.
*/
do_action( 'woocommerce_attribute_deleted', $id, $name, $taxonomy );
wp_schedule_single_event( time(), 'woocommerce_flush_rewrite_rules' );
delete_transient( 'wc_attribute_taxonomies' );
WC_Cache_Helper::invalidate_cache_group( 'woocommerce-attributes' );
return true;
}
return false;
}
/**
* Get an unprefixed product attribute name.
*
* @since 3.6.0
*
* @param string $attribute_name Attribute name.
* @return string
*/
function wc_attribute_taxonomy_slug( $attribute_name ) {
$prefix = WC_Cache_Helper::get_cache_prefix( 'woocommerce-attributes' );
$cache_key = $prefix . 'slug-' . $attribute_name;
$cache_value = wp_cache_get( $cache_key, 'woocommerce-attributes' );
if ( false !== $cache_value ) {
return $cache_value;
}
$attribute_name = wc_sanitize_taxonomy_name( $attribute_name );
$attribute_slug = 0 === strpos( $attribute_name, 'pa_' ) ? substr( $attribute_name, 3 ) : $attribute_name;
wp_cache_set( $cache_key, $attribute_slug, 'woocommerce-attributes' );
return $attribute_slug;
}