WC_Product_Variation_Data_Store_CPT::update_attributes() │ protected │ WC 3.0.0

Update attribute meta values.

Method of the class: WC_Product_Variation_Data_Store_CPT{}

No Hooks.

Return

null. Nothing (null).

Usage

// protected - for code of main (parent) or child class
$result = $this->update_attributes( $product, $force );

$product(WC_Product) (required) (passed by reference — &)

Product object.

$force(true|false)

Force update. Used during create.
Default: false

Changelog

WC_Product_Variation_Data_Store_CPT::update_attributes() WC Product Variation Data Store CPT::update attributes code ^{WC 9.2.3}

protected function update_attributes( &$product, $force = false ) {
	$changes = $product->get_changes();

	if ( $force || array_key_exists( 'attributes', $changes ) ) {
		global $wpdb;

		$product_id             = $product->get_id();
		$attributes             = $product->get_attributes();
		$updated_attribute_keys = array();
		foreach ( $attributes as $key => $value ) {
			update_post_meta( $product_id, 'attribute_' . $key, wp_slash( $value ) );
			$updated_attribute_keys[] = 'attribute_' . $key;
		}

		// Remove old taxonomies attributes so data is kept up to date - first get attribute key names.
		$delete_attribute_keys = $wpdb->get_col(
			$wpdb->prepare(
				// phpcs:ignore WordPress.DB.PreparedSQL.NotPrepared, WordPress.DB.PreparedSQLPlaceholders.QuotedDynamicPlaceholderGeneration
				"SELECT meta_key FROM {$wpdb->postmeta} WHERE meta_key LIKE %s AND meta_key NOT IN ( '" . implode( "','", array_map( 'esc_sql', $updated_attribute_keys ) ) . "' ) AND post_id = %d",
				$wpdb->esc_like( 'attribute_' ) . '%',
				$product_id
			)
		);

		foreach ( $delete_attribute_keys as $key ) {
			delete_post_meta( $product_id, $key );
		}
	}
}