add default value to envS function

src/helper.php

@@ -1,8 +1,8 @@
 <?php
+
 if (!function_exists('envS')) {
 
-    function envS($name)
-    {
+    function envS($name, $default = '') {
         $value = getenv($name);
 
         //If we hev a value return it
@@ -17,24 +17,25 @@ function envS($name)
         curl_setopt($request, CURLOPT_HTTPHEADER, ['X-Vault-Token: ' . $token]);
         curl_setopt($request, CURLOPT_URL, $url);
         curl_setopt($request, CURLOPT_RETURNTRANSFER, true);
-        
+
         //get response
         $response = curl_exec($request);
-        
+
         //close session
         curl_close($request);
 
         //parse response
         if ($response === false) {
-            return false;
+            return strlen($default) == 0 ? false : $default;
         }
-        
+
         $r = json_decode($response, true);
-        
+
         if (isset($r['data']['value'])) {
             return (string) $r['data']['value'];
-        } 
-        
-        return false;
+        }
+
+        return strlen($default) == 0 ? false : $default;
     }
+
 }