index.php

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<?php
// phpcs:disable Generic.Arrays.DisallowLongArraySyntax
use MediaWiki\MediaWikiServices;
 
// Bail on old versions of PHP, or if composer has not been run yet to install
// dependencies. Using dirname( __FILE__ ) here because __DIR__ is PHP5.3+.
// phpcs:ignore MediaWiki.Usage.DirUsage.FunctionFound
require_once dirname( __FILE__ ) . '/../includes/PHPVersionCheck.php';
wfEntryPointCheck( 'html', dirname( dirname( $_SERVER['SCRIPT_NAME'] ) ) );
 
define( 'MW_CONFIG_CALLBACK', 'Installer::overrideConfig' );
define( 'MEDIAWIKI_INSTALL', true );
 
// Resolve relative to regular MediaWiki root
// instead of mw-config subdirectory.
chdir( dirname( __DIR__ ) );
require dirname( __DIR__ ) . '/includes/WebStart.php';
 
wfInstallerMain();
 
function wfInstallerMain() {
    global $wgLang, $wgMetaNamespace, $wgCanonicalNamespaceNames;
    $request = RequestContext::getMain()->getRequest();
 
    $installer = InstallerOverrides::getWebInstaller( $request );
 
    if ( !$installer->startSession() ) {
        if ( $installer->request->getVal( 'css' ) ) {
            // Do not display errors on css pages
            $installer->outputCss();
            exit;
        }
 
        $errors = $installer->getPhpErrors();
        $installer->showError( 'config-session-error', $errors[0] );
        $installer->finish();
        exit;
    }
 
    $fingerprint = $installer->getFingerprint();
    if ( isset( $_SESSION['installData'][$fingerprint] ) ) {
        $session = $_SESSION['installData'][$fingerprint];
    } else {
        $session = array();
    }
 
    if ( $request->getCheck( 'uselang' ) ) {
        $langCode = $request->getVal( 'uselang' );
    } elseif ( isset( $session['settings']['_UserLang'] ) ) {
        $langCode = $session['settings']['_UserLang'];
    } else {
        $langCode = 'en';
    }
    $wgLang = MediaWikiServices::getInstance()->getLanguageFactory()->getLanguage( $langCode );
    RequestContext::getMain()->setLanguage( $wgLang );
 
    $installer->setParserLanguage( $wgLang );
 
    $wgMetaNamespace = $wgCanonicalNamespaceNames[NS_PROJECT];
 
    $session = $installer->execute( $session );
 
    $_SESSION['installData'][$fingerprint] = $session;
}