Reformat modules/core/www/authenticate.php, and remove misleading comment.

modules/core/www/authenticate.php

 <?php
 
-
-
 $config = SimpleSAML_Configuration::getInstance();
 
 if (!array_key_exists('as', $_REQUEST)) {
-	$t = new SimpleSAML_XHTML_Template($config, 'core:authsource_list.tpl.php');
+    $t = new SimpleSAML_XHTML_Template($config, 'core:authsource_list.tpl.php');
 
-	$t->data['sources'] = SimpleSAML_Auth_Source::getSources();
-	$t->show();
-	exit();
+    $t->data['sources'] = SimpleSAML_Auth_Source::getSources();
+    $t->show();
+    exit();
 }
 
-
-$asId = (string)$_REQUEST['as'];
+$asId = (string) $_REQUEST['as'];
 $as = new SimpleSAML_Auth_Simple($asId);
 
-if(array_key_exists('logout', $_REQUEST)) {
-	$as->logout('/' . $config->getBaseURL() . 'logout.php');
+if (array_key_exists('logout', $_REQUEST)) {
+    $as->logout('/'.$config->getBaseURL().'logout.php');
 }
 
 if (array_key_exists(SimpleSAML_Auth_State::EXCEPTION_PARAM, $_REQUEST)) {
-	// This is just a simple example of an error
-
-	$state = SimpleSAML_Auth_State::loadExceptionState();
-	assert('array_key_exists(SimpleSAML_Auth_State::EXCEPTION_DATA, $state)');
-	$e = $state[SimpleSAML_Auth_State::EXCEPTION_DATA];
-
-	header('Content-Type: text/plain');
-	echo "Exception during login:\n";
-	foreach ($e->format() as $line) {
-		echo $line . "\n";
-	}
-	exit(0);
+    // This is just a simple example of an error
+
+    $state = SimpleSAML_Auth_State::loadExceptionState();
+    assert('array_key_exists(SimpleSAML_Auth_State::EXCEPTION_DATA, $state)');
+    $e = $state[SimpleSAML_Auth_State::EXCEPTION_DATA];
+
+    header('Content-Type: text/plain');
+    echo "Exception during login:\n";
+    foreach ($e->format() as $line) {
+        echo $line."\n";
+    }
+    exit(0);
 }
 
-
 if (!$as->isAuthenticated()) {
-	$url = SimpleSAML\Module::getModuleURL('core/authenticate.php', array('as' => $asId));
-	$params = array(
-		'ErrorURL' => $url,
-		'ReturnTo' => $url,
-	);
-	$as->login($params);
+    $url = SimpleSAML\Module::getModuleURL('core/authenticate.php', array('as' => $asId));
+    $params = array(
+        'ErrorURL' => $url,
+        'ReturnTo' => $url,
+    );
+    $as->login($params);
 }
 
 $attributes = $as->getAttributes();
@@ -51,8 +47,6 @@ $t = new SimpleSAML_XHTML_Template($config, 'status.php', 'attributes');
 
 $t->data['header'] = '{status:header_saml20_sp}';
 $t->data['attributes'] = $attributes;
-// if saml:sp:IdP is set, this is SAML auth so we can pass a NameId
-$t->data['nameid'] = !is_null( $as->getAuthData('saml:sp:NameID') ) ? $as->getAuthData('saml:sp:NameID') : FALSE;
-$t->data['logouturl'] = \SimpleSAML\Utils\HTTP::getSelfURLNoQuery() . '?as=' . urlencode($asId) . '&logout';
+$t->data['nameid'] = !is_null($as->getAuthData('saml:sp:NameID')) ? $as->getAuthData('saml:sp:NameID') : false;
+$t->data['logouturl'] = \SimpleSAML\Utils\HTTP::getSelfURLNoQuery().'?as='.urlencode($asId).'&logout';
 $t->show();
-