--TEST-- Bug #29896 (Backtrace argument list out of sync) --FILE-- <?php function userErrorHandler($num, $msg, $file, $line, $vars) { debug_print_backtrace(); } $OldErrorHandler = set_error_handler("userErrorHandler"); function GenerateError1($A1) { $a = $b; } function GenerateError2($A1) { GenerateError1("Test1"); } GenerateError2("Test2"); ?> --EXPECTF-- #0 userErrorHandler(8, Undefined variable: b, %sbug29896.php, 11, Array ([A1] => Test1)) called at [%sbug29896.php:11] #1 GenerateError1(Test1) called at [%sbug29896.php:16] #2 GenerateError2(Test2) called at [%sbug29896.php:19]