wikimedia / mediawiki

	 * @return string

	 */

	protected function makePageLink( Title $title = null, $parameters = [], $html = null ) {

		if ( !$this->plaintext ) {

			$link = Linker::link( $title, $html, [], $parameters );

		} else {

			if ( !$title instanceof Title ) {

				throw new MWException( "Expected title, got null" );

			}

			$link = '[[' . $title->getPrefixedText() . ']]';

		}

		return $link;

	}

		global $wgDefaultExternalStore, $wgContentHandlerUseDB;

		// Not allowed to have rev_page equal to 0, false, etc.

		if ( !$this->mPage ) {

			$title = $this->getTitle();

			if ( $title instanceof Title ) {

				$titleText = ' for page ' . $title->getPrefixedText();

			} else {

				$titleText = '';

			}

			throw new MWException( "Cannot insert revision$titleText: page ID must be nonzero" );

		}

		$this->checkContentModel();