<?php

/**
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License along
 * with this program; if not, write to the Free Software Foundation, Inc.,
 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 * http://www.gnu.org/copyleft/gpl.html
 *
 * @file
 * @ingroup Installer
 */

namespace MediaWiki\Installer;

use MediaWiki\Html\Html;

class WebInstallerRestart extends WebInstallerPage {

	/**
	 * @return string|null
	 */
	public function execute() {
		$r = $this->parent->request;
		if ( $r->wasPosted() ) {
			$really = $r->getVal( 'submit-restart' );
			if ( $really ) {
				$this->parent->reset();
			}

			return 'continue';
		}

		$this->startForm();
		$s = Html::warningBox( wfMessage( 'config-help-restart' )->parse(), 'config-warning-box' );
		$this->addHTML( $s );
		$this->endForm( 'restart' );

		return null;
	}

}
