rename argument

Author: simonLeary42

resources/lib/UnityHTTPD.php

@@ -243,10 +243,10 @@ public static function getPostData(string $key): string
     }
 
     /* returns null if not found and not $throw_if_not_found */
-    public static function getQueryParameter(string $key, bool $throw_if_not_found = true): ?string
+    public static function getQueryParameter(string $key, bool $die_if_not_found = true): ?string
     {
         if (!array_key_exists($key, $_GET)) {
-            if ($throw_if_not_found) {
+            if ($die_if_not_found) {
                 self::badRequest("\$_GET has no array key '$key'");
             } else {
                 return null;