Reported by Julien Roncaglia, Apr 14, 2009
When the open_basedir restriction is in effect the include_path may contain paths where file_exists display a warning if they are accessed, this warning stops immediatly the __autoload execution. The solution is to call file_exists suppressing warnings with @ in Pluf::fileExists.
Comment 1 by Julien Roncaglia, May 15, 2009
Patch for this annoying issue.
Comment 2 by Jakub Vitak, Nov 20, 2009
probably not necessary please see http://www.php.net/releases/5_3_1.php
Comment 3 by Jakub Vitak, Nov 20, 2009
ok, sorry - need to read three times (if two time is not enough) php bug #50063 is about safe mode :-/ (but maybe there could be ticket for php - maybe :))