Default to empty array if config parameter doesn't exist.

This will prevent the foreach from breaking.

Author: mikebronner

src/Controllers/LfmController.php

@@ -83,7 +83,8 @@ public function error($error_type, $variables = [])
      */
     public function applyIniOverrides()
     {
-        $overrides = config('lfm.php_ini_overrides');
+        $overrides = config('lfm.php_ini_overrides', []);
+        
         if ($overrides && is_array($overrides) && count($overrides) === 0) {
             return;
         }