Unmangle names for guards
fix bug #63462 (Magic methods called twice for unset protected proper…
Comment on behalf of stas at php.net:
I think this bug might still be in 5.4.12 in some edge form. I'm still experiencing these notices when magic getters and setters are called.
@markushausammann if you think there's still a bug please submit a bug report on bugs.php.net with short reproducing script. I can't reproduce the problems in bug #63462 with the patch applied.
I'm working on reproduction and testcase but it's tricky.