#20644 [NEW]: in some cases ++ operation DOESN'T work

From: yury@krasu.ru Operating system: Win32, FreeBSD PHP version: 4.2.1 PHP Bug Type: Scripting Engine problem Bug description: in some cases ++ operation DOESN'T work After installing PHP 4.2.1 in some time I noticed a strange bug: at some situation increment operation (++) didn't work! I failed to write a simple code to reproduce that bug (it occurs regular at the same situation in nested functions of a rather big project), but in short - when trying to increment by ++ operation a function parameter, which was setted to 1 as a default parameter value of upper function (which called that function), incrementation does NOT happen. and such code as echo $newteamid; $newteamid++; echo $newteamid; $a = $newteamid; echo $a; $a++; echo $a; produces an output: "1111" but if I use " += 1" instead of "++" all works ok (and I was to make so at my project) as I mentioned I tried to reproduce that bug at simple code, but it works ok in a short program with the same variables values. and the same occurs at PHP 4.2.3. if that bug is not known I can try to write an example for this (dont wanna waste a time if it's well-known) but please confirm that -- Edit bug report at http://bugs.php.net/?id=20644&edit=1 -- Try a CVS snapshot: http://bugs.php.net/fix.php?id=20644&r=trysnapshot Fixed in CVS: http://bugs.php.net/fix.php?id=20644&r=fixedcvs Fixed in release: http://bugs.php.net/fix.php?id=20644&r=alreadyfixed Need backtrace: http://bugs.php.net/fix.php?id=20644&r=needtrace Try newer version: http://bugs.php.net/fix.php?id=20644&r=oldversion Not developer issue: http://bugs.php.net/fix.php?id=20644&r=support Expected behavior: http://bugs.php.net/fix.php?id=20644&r=notwrong Not enough info: http://bugs.php.net/fix.php?id=20644&r=notenoughinfo Submitted twice: http://bugs.php.net/fix.php?id=20644&r=submittedtwice register_globals: http://bugs.php.net/fix.php?id=20644&r=globals PHP 3 support discontinued: http://bugs.php.net/fix.php?id=20644&r=php3 Daylight Savings: http://bugs.php.net/fix.php?id=20644&r=dst IIS Stability: http://bugs.php.net/fix.php?id=20644&r=isapi