Handle PHP 8.1 new $_FILES[full_path] array member

Author: gileri

lib/request/sfWebRequest.class.php

@@ -872,7 +872,11 @@ static public function convertFileInformation(array $taintedFiles)
    */
   static protected function fixPhpFilesArray(array $data)
   {
-    $fileKeys = array('error', 'name', 'size', 'tmp_name', 'type');
+    if (version_compare(PHP_VERSION, '8.1.0-dev', '<')) {
+      $fileKeys = array('error', 'name', 'size', 'tmp_name', 'type');
+    } else {
+      $fileKeys = array('error', 'full_path', 'name', 'size', 'tmp_name', 'type');
+    }
     $keys = array_keys($data);
     sort($keys);