* replace "$twig->render()" with "$this->display"

install/steps/1-welcome.php

@@ -18,7 +18,7 @@ else {
 			$locales[] = array('id' => $tmp_locale, 'name' => $locale['name']);
 		}
 	}
-	echo $twig->render('install.welcome.html.twig', array(
+	$twig->display('install.welcome.html.twig', array(
 		'locales' => $locales,
 		'locale' => $locale,
 		'buttons' => next_buttons(false, true)

install/steps/2-license.php

@@ -1,7 +1,7 @@
 <?php
 defined('MYAAC') or die('Direct access not allowed!');
 
-echo $twig->render('install.license.html.twig', array(
+$twig->display('install.license.html.twig', array(
 	'license' => file_get_contents(BASE . 'LICENSE'),
 	'buttons' => next_buttons()
 ));

install/steps/4-config.php

@@ -6,11 +6,11 @@ foreach($config['clients'] as $client) {
 	$client_version = (string)($client / 100);
 	if(strpos($client_version, '.') == false)
 		$client_version .= '.0';
-	
+
 	$clients[$client] = $client_version;
 }
 
-echo $twig->render('install.config.html.twig', array(
+$twig->display('install.config.html.twig', array(
 	'clients' => $clients,
 	'timezones' => DateTimeZone::listIdentifiers(),
 	'locale' => $locale,

install/steps/5-database.php

@@ -51,7 +51,7 @@ if(!$error) {
 			error($database_error);
 		}
 		else {
-			echo $twig->render('install.installer.html.twig', array(
+			$twig->display('install.installer.html.twig', array(
 				'url' => 'tools/5-database.php',
 				'message' => $locale['loading_spinner']
 			));

install/steps/6-admin.php

@@ -9,7 +9,7 @@ if(!$error) {
 		error($database_error);
 	}
 
-	echo $twig->render('install.admin.html.twig', array(
+	$twig->display('install.admin.html.twig', array(
 		'locale' => $locale,
 		'session' => $_SESSION,
 		'errors' => isset($errors) ? $errors : null,

install/steps/7-finish.php

@@ -115,7 +115,7 @@ else {
 			}
 		}
 
-		echo $twig->render('install.installer.html.twig', array(
+		$twig->display('install.installer.html.twig', array(
 			'url' => 'tools/7-finish.php',
 			'message' => $locale['importing_spinner']
 		));