wc_delete_attribute() │ WC 3.2.0

Delete attribute by ID.

Returns

bool.

Usage

wc_delete_attribute( $id );

$id(int) (required)

Attribute ID.

Changelog

wc_delete_attribute() wc delete attribute code ^{WC 11.2.1}

function wc_delete_attribute( $id ) {
	global $wpdb, $wc_product_attributes;

	$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 );

		if ( taxonomy_exists( $taxonomy ) ) {
			// When the caller defers term counting, any count queued for this taxonomy (by the
			// deletions above or by the caller itself) resolves the taxonomy by name later, once
			// it is gone. Flush while it still exists. WordPress drains its whole queue at once.
			if ( wp_defer_term_counting() ) {
				wp_update_term_count( array(), '', true );
			}

			unregister_taxonomy( $taxonomy );
		}

		unset( $wc_product_attributes[ $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;
	}//end if

	return false;
}