#47499 [NEW]: Buggy control flow when switching on 0 (zero)

From: mpb dot mail at gmail dot com Operating system: Linux PHP version: 5.2.8 PHP Bug Type: Unknown/Other Function Bug description: Buggy control flow when switching on 0 (zero) Description: ------------ When switching on 0 (zero), control flow executes the wrong case. Reproduce code: --------------- <?php $x = 0; switch ($x) { case 'foo': print "foo == $x ?\n"; break; case 0: print "0 == $x ?\n"; break; default: print "default: \$x == $x ?\n"; break; } ?> Expected result: ---------------- 0 == 0 ? Actual result: -------------- foo == 0 ? -- Edit bug report at http://bugs.php.net/?id=47499&edit=1 -- Try a CVS snapshot (PHP 5.2): http://bugs.php.net/fix.php?id=47499&r=trysnapshot52 Try a CVS snapshot (PHP 5.3): http://bugs.php.net/fix.php?id=47499&r=trysnapshot53 Try a CVS snapshot (PHP 6.0): http://bugs.php.net/fix.php?id=47499&r=trysnapshot60 Fixed in CVS: http://bugs.php.net/fix.php?id=47499&r=fixedcvs Fixed in CVS and need be documented: http://bugs.php.net/fix.php?id=47499&r=needdocs Fixed in release: http://bugs.php.net/fix.php?id=47499&r=alreadyfixed Need backtrace: http://bugs.php.net/fix.php?id=47499&r=needtrace Need Reproduce Script: http://bugs.php.net/fix.php?id=47499&r=needscript Try newer version: http://bugs.php.net/fix.php?id=47499&r=oldversion Not developer issue: http://bugs.php.net/fix.php?id=47499&r=support Expected behavior: http://bugs.php.net/fix.php?id=47499&r=notwrong Not enough info: http://bugs.php.net/fix.php?id=47499&r=notenoughinfo Submitted twice: http://bugs.php.net/fix.php?id=47499&r=submittedtwice register_globals: http://bugs.php.net/fix.php?id=47499&r=globals PHP 4 support discontinued: http://bugs.php.net/fix.php?id=47499&r=php4 Daylight Savings: http://bugs.php.net/fix.php?id=47499&r=dst IIS Stability: http://bugs.php.net/fix.php?id=47499&r=isapi Install GNU Sed: http://bugs.php.net/fix.php?id=47499&r=gnused Floating point limitations: http://bugs.php.net/fix.php?id=47499&r=float No Zend Extensions: http://bugs.php.net/fix.php?id=47499&r=nozend MySQL Configuration Error: http://bugs.php.net/fix.php?id=47499&r=mysqlcfg