installer: Code augmentation in wfInstallerMain function

Cleanup null checks and string literals in wfInstallerMain function.

Change-Id: Ib117e05faf899b0c46820d337f1bd3ebd4272419

diff --git a/mw-config/index.php b/mw-config/index.php
index 899f21e..df3f6e5 100644 (file)
--- a/mw-config/index.php
+++ b/mw-config/index.php
@@ -44,7 +44,7 @@ function wfInstallerMain() {
        $installer = InstallerOverrides::getWebInstaller( $request );
 
        if ( !$installer->startSession() ) {
-               if ( $installer->request->getVal( "css" ) ) {
+               if ( $installer->request->getVal( 'css' ) ) {
                        // Do not display errors on css pages
                        $installer->outputCss();
                        exit;
@@ -63,7 +63,7 @@ function wfInstallerMain() {
                $session = array();
        }
 
-       if ( !is_null( $request->getVal( 'uselang' ) ) ) {
+       if ( $request->getVal( 'uselang' ) !== null ) {
                $langCode = $request->getVal( 'uselang' );
        } elseif ( isset( $session['settings']['_UserLang'] ) ) {
                $langCode = $session['settings']['_UserLang'];