Thread:Project:Current issues/i can't install mediawiki on my webserver please help me

When I'm trying to install the wiki there's always this error:

<?php /** * This is the main web entry point for MediaWiki. * * If you are reading this in your web browser, your server is probably * not configured correctly to run PHP applications! * * See the README, INSTALL, and UPGRADE files for basic setup instructions * and pointers to the online documentation. * * https://www.mediawiki.org/ * * -- * * 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 */

if ( !function_exists( 'version_compare' ) || version_compare( PHP_VERSION, '5.3.2' ) < 0 ) { // We need to use dirname( __FILE__ ) here cause __DIR__ is PHP5.3+ require dirname( __FILE__ ). '/includes/PHPVersionError.php'; wfPHPVersionError( 'index.php' ); }
 * 1) Bail on old versions of PHP.  Pretty much every other file in the codebase
 * 2) has structures (try/catch, foo->bar, etc etc) which throw parse errors in
 * 3) PHP 4. Setup.php and ObjectCache.php have structures invalid in PHP 5.0 and
 * 4) 5.1, respectively.

require __DIR__. '/includes/WebStart.php';

$mediaWiki = new MediaWiki; $mediaWiki->run;