wikimedia / mediawiki

		}

		foreach ( $default as $name => $def ) {

			if ( !isset( $ret[$name] ) || ( is_array( $default[$name] ) && !is_array( $ret[$name] ) ) ) {

				$ret[$name] = $default[$name];

			}

		}

		return $ret;

			// Optimistic: If the global is not set, or is an empty array, replace it entirely.

			// Will be O(1) performance.

			if ( !isset( $GLOBALS[$key] ) || ( is_array( $GLOBALS[$key] ) && !$GLOBALS[$key] ) ) {

				$GLOBALS[$key] = $val;

				continue;

			}

			if ( !is_array( $GLOBALS[$key] ) || !is_array( $val ) ) {

				// config setting that has already been overridden, don't set it