WC_Data::save_meta_data() │ public │ WC 2.6.0

Update Meta Data in the database.

Method of the class: WC_Data{}

Return

null. Nothing (null).

Usage

$WC_Data = new WC_Data();
$WC_Data->save_meta_data();

Changelog

WC_Data::save_meta_data() WC Data::save meta data code ^{WC 8.7.0}

public function save_meta_data() {
	if ( ! $this->data_store || is_null( $this->meta_data ) ) {
		return;
	}
	foreach ( $this->meta_data as $array_key => $meta ) {
		if ( is_null( $meta->value ) ) {
			if ( ! empty( $meta->id ) ) {
				$this->data_store->delete_meta( $this, $meta );
				/**
				 * Fires immediately after deleting metadata.
				 *
				 * @param int    $meta_id    ID of deleted metadata entry.
				 * @param int    $object_id  Object ID.
				 * @param string $meta_key   Metadata key.
				 * @param mixed  $meta_value Metadata value (will be empty for delete).
				 */
				do_action( "deleted_{$this->object_type}_meta", $meta->id, $this->get_id(), $meta->key, $meta->value );

				unset( $this->meta_data[ $array_key ] );
			}
		} elseif ( empty( $meta->id ) ) {
			$meta->id = $this->data_store->add_meta( $this, $meta );
			/**
			 * Fires immediately after adding metadata.
			 *
			 * @param int    $meta_id    ID of added metadata entry.
			 * @param int    $object_id  Object ID.
			 * @param string $meta_key   Metadata key.
			 * @param mixed  $meta_value Metadata value.
			 */
			do_action( "added_{$this->object_type}_meta", $meta->id, $this->get_id(), $meta->key, $meta->value );

			$meta->apply_changes();
		} else {
			if ( $meta->get_changes() ) {
				$this->data_store->update_meta( $this, $meta );
				/**
				 * Fires immediately after updating metadata.
				 *
				 * @param int    $meta_id    ID of updated metadata entry.
				 * @param int    $object_id  Object ID.
				 * @param string $meta_key   Metadata key.
				 * @param mixed  $meta_value Metadata value.
				 */
				do_action( "updated_{$this->object_type}_meta", $meta->id, $this->get_id(), $meta->key, $meta->value );

				$meta->apply_changes();
			}
		}
	}
	if ( ! empty( $this->cache_group ) ) {
		$cache_key = self::generate_meta_cache_key( $this->get_id(), $this->cache_group );
		wp_cache_delete( $cache_key, $this->cache_group );
	}
}