Merge pull request #6735 from kenjis/fix-PhpStreamWrapper-context

fix: add missing property $context in PhpStreamWrapper

Author: paulbalandan

system/Test/PhpStreamWrapper.php

@@ -20,6 +20,11 @@
  */
 final class PhpStreamWrapper
 {
+    /**
+     * @var resource|null
+     */
+    public $context;
+
     private static string $content = '';
     private int $position          = 0;