woocommerce/includes/wc-attribute-functions.php

350 lines
8.5 KiB
PHP

<?php
/**
* WooCommerce Attribute Functions
*
* @author WooThemes
* @category Core
* @package WooCommerce/Functions
* @version 2.1.0
*/
if ( ! defined( 'ABSPATH' ) ) {
exit; // Exit if accessed directly
}
/**
* Gets text attributes from a string.
*
* @since 2.4
*
* @param string $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
* @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
* @return string
*/
function wc_implode_text_attributes( $attributes ) {
return implode( ' ' . WC_DELIMITER . ' ', $attributes );
}
/**
* Get attribute taxonomies.
*
* @return array of objects
*/
function wc_get_attribute_taxonomies() {
if ( false === ( $attribute_taxonomies = get_transient( 'wc_attribute_taxonomies' ) ) ) {
global $wpdb;
$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', $attribute_taxonomies );
}
return (array) array_filter( apply_filters( 'woocommerce_attribute_taxonomies', $attribute_taxonomies ) );
}
/**
* 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 ) {
global $wpdb;
$attribute_name = $wpdb->get_var( $wpdb->prepare( "
SELECT attribute_name
FROM {$wpdb->prefix}woocommerce_attribute_taxonomies
WHERE attribute_id = %d
", $attribute_id ) );
if ( $attribute_name && ! is_wp_error( $attribute_name ) ) {
return wc_attribute_taxonomy_name( $attribute_name );
}
return '';
}
/**
* 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 = str_replace( 'pa_', '', wc_sanitize_taxonomy_name( $name ) );
$taxonomies = wp_list_pluck( wc_get_attribute_taxonomies(), 'attribute_id', 'attribute_name' );
return isset( $taxonomies[ $name ] ) ? (int) $taxonomies[ $name ] : 0;
}
/**
* Get a product attributes label.
*
* @param string $name
* @param object $product object Optional
* @return string
*/
function wc_attribute_label( $name, $product = '' ) {
if ( taxonomy_is_product_attribute( $name ) ) {
$name = wc_sanitize_taxonomy_name( str_replace( 'pa_', '', $name ) );
$all_labels = wp_list_pluck( wc_get_attribute_taxonomies(), 'attribute_label', 'attribute_name' );
$label = isset( $all_labels[ $name ] ) ? $all_labels[ $name ] : $name;
} elseif ( $product ) {
if ( $product->is_type( 'variation' ) ) {
$product = wc_get_product( $product->get_parent_id() );
}
// Attempt to get label from product, as entered by the user.
if ( ( $attributes = $product->get_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 mixed $name
* @return string
*/
function wc_attribute_orderby( $name ) {
global $wc_product_attributes, $wpdb;
$name = str_replace( 'pa_', '', sanitize_title( $name ) );
if ( isset( $wc_product_attributes[ 'pa_' . $name ] ) ) {
$orderby = $wc_product_attributes[ 'pa_' . $name ]->attribute_orderby;
} else {
$orderby = $wpdb->get_var( $wpdb->prepare( "SELECT attribute_orderby FROM " . $wpdb->prefix . "woocommerce_attribute_taxonomies WHERE attribute_name = %s;", $name ) );
}
return apply_filters( 'woocommerce_attribute_orderby', $orderby, $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' ),
'text' => __( 'Text', 'woocommerce' ),
) );
}
/**
* 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 ] : ucfirst( $type );
}
/**
* Check if attribute name is reserved.
* https://codex.wordpress.org/Function_Reference/register_taxonomy#Reserved_Terms.
*
* @since 2.4.0
* @param string $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 );
}
/**
* Callback for array filter to get visible only.
*
* @since 3.0.0
* @param WC_Product_Attribute $attribute
* @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
* @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 ( ! empty( $attribute ) || $attribute === '0' );
}