Set config var with metadata_url and call it from EarcUtils instead of env

.env.example

@@ -34,4 +34,4 @@ PUSHER_APP_ID=
 PUSHER_KEY=
 PUSHER_SECRET=
 
-METADATA_URL=‘https://mdx.idem.garr.it/edugain/entities/’
+METADATA_URL='https://mdx.idem.garr.it/edugain/entities/'

app/Libraries/EarcUtils.php

@@ -78,7 +78,7 @@ class EarcUtils
     public static function getIdpMetadata($entityid)
     {
         $metaloader = new MetaLoader(null);
-        $metaloader->loadSource(array('src' => env('‘METADATA_URL’') . urlencode($entityid)));
+        $metaloader->loadSource(array('src' => config('app.metadata_url') . urlencode($entityid)));
         $metaloader->writeMetadataFiles(Configuration::getInstance()->getPathValue('metadatagenerateddir', 'metadata-generated-idp/'));
 
         include Configuration::getInstance()->getPathValue('metadatagenerateddir', 'metadata-generated-idp/').'saml20-idp-remote.php';

config/app.php

@@ -145,7 +145,8 @@ return [
         'http://eduid.hu' => 'https://attributes.eduid.hu',
     ],
 
-
+    'metadata_url' => env('METADATA_URL'),
+   
     /*
     |--------------------------------------------------------------------------
     | Autoloaded Service Providers