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