#43846 [NEW]: Switch statement broken when using 'null' value

From: php_bug at jldupont dot com Operating system: Linux PHP version: 5.2.5 PHP Bug Type: Scripting Engine problem Bug description: Switch statement broken when using 'null' value Description: ------------ The 'switch' statement does not correctly handle the case where the switch value === null. Reproduce code: --------------- The following code should show "null", "true", "false": function testSwitch( $v ) { return $v; } function showResult( $r ) { $v = testSwitch( $r ); switch ($v) { case false: echo "false"; break; case null: echo "null"; break; case true: echo "true"; break; } echo "\n<br/>"; } showResult( null ); showResult( true ); showResult( false ); Expected result: ---------------- null true false Actual result: -------------- false true false -- Edit bug report at http://bugs.php.net/?id=43846&edit=1 -- Try a CVS snapshot (PHP 4.4): http://bugs.php.net/fix.php?id=43846&r=trysnapshot44 Try a CVS snapshot (PHP 5.2): http://bugs.php.net/fix.php?id=43846&r=trysnapshot52 Try a CVS snapshot (PHP 5.3): http://bugs.php.net/fix.php?id=43846&r=trysnapshot53 Try a CVS snapshot (PHP 6.0): http://bugs.php.net/fix.php?id=43846&r=trysnapshot60 Fixed in CVS: http://bugs.php.net/fix.php?id=43846&r=fixedcvs Fixed in release: http://bugs.php.net/fix.php?id=43846&r=alreadyfixed Need backtrace: http://bugs.php.net/fix.php?id=43846&r=needtrace Need Reproduce Script: http://bugs.php.net/fix.php?id=43846&r=needscript Try newer version: http://bugs.php.net/fix.php?id=43846&r=oldversion Not developer issue: http://bugs.php.net/fix.php?id=43846&r=support Expected behavior: http://bugs.php.net/fix.php?id=43846&r=notwrong Not enough info: http://bugs.php.net/fix.php?id=43846&r=notenoughinfo Submitted twice: http://bugs.php.net/fix.php?id=43846&r=submittedtwice register_globals: http://bugs.php.net/fix.php?id=43846&r=globals PHP 3 support discontinued: http://bugs.php.net/fix.php?id=43846&r=php3 Daylight Savings: http://bugs.php.net/fix.php?id=43846&r=dst IIS Stability: http://bugs.php.net/fix.php?id=43846&r=isapi Install GNU Sed: http://bugs.php.net/fix.php?id=43846&r=gnused Floating point limitations: http://bugs.php.net/fix.php?id=43846&r=float No Zend Extensions: http://bugs.php.net/fix.php?id=43846&r=nozend MySQL Configuration Error: http://bugs.php.net/fix.php?id=43846&r=mysqlcfg