ntwb / wordpress

			$mval = $metarow['meta_value'];

			// Force subkeys to be array type:

			if ( !isset($cache[$mpid]) || !is_array($cache[$mpid]) )

				$cache[$mpid] = array();

			if ( !isset($cache[$mpid][$mkey]) || !is_array($cache[$mpid][$mkey]) )

				$cache[$mpid][$mkey] = array();

			$node = &$node[ $key ];

		}

		if ( $create ) {

			if ( ! is_array( $node ) ) {

				// account for an array overriding a string or object value

				$node = array();

			}

			if ( ! isset( $node[ $last ] ) ) {

				$node[ $last ] = array();

			}

		}

		if ( ! isset( $node[ $last ] ) )

			return;