--TEST-- Bug #28377 (debug_backtrace is intermittently passing args) --FILE-- <?php function doit($a, $b) { $trace = debug_backtrace(); custom_callback('dereferenced', $trace); custom_callback('direct', debug_backtrace()); } function custom_callback($traceName, $btInfo) { echo $traceName ." -- args: "; echo isset($btInfo[0]['args']) ? count($btInfo[0]['args']) : 'does not exist'; echo "\n"; } doit('a','b'); ?> --EXPECT-- dereferenced -- args: 2 direct -- args: 2