From:             na at index20 dot ru
Operating system: Linux
PHP version:      4.4.0
PHP Bug Type:     Date/time related
Bug description:  checkdate() function returns false on valid date

Description:
------------
Checkdate fails if month eq 8 or 9 and passed directly to function. See
reproduce code. 5.1 also affected.


Reproduce code:
---------------
echo "buggy:\n";
var_dump(checkdate(07, 01, 2005));
var_dump(checkdate(08, 01, 2005));
var_dump(checkdate(09, 01, 2005));
var_dump(checkdate(10, 01, 2005));

$m07 = '07';
$m08 = '08';
$m09 = '09';
$m10 = '10';

echo "ok:\n";
var_dump(checkdate($m07, 01, 2005));
var_dump(checkdate($m08, 01, 2005));
var_dump(checkdate($m09, 01, 2005));
var_dump(checkdate($m10, 01, 2005));


Expected result:
----------------
buggy:
bool(true)
bool(true)
bool(true)
bool(true)
ok:
bool(true)
bool(true)
bool(true)
bool(true)


Actual result:
--------------
buggy:
bool(true)
bool(false)
bool(false)
bool(true)
ok:
bool(true)
bool(true)
bool(true)
bool(true)


-- 
Edit bug report at http://bugs.php.net/?id=34661&edit=1
-- 
Try a CVS snapshot (php4):   http://bugs.php.net/fix.php?id=34661&r=trysnapshot4
Try a CVS snapshot (php5.0): 
http://bugs.php.net/fix.php?id=34661&r=trysnapshot50
Try a CVS snapshot (php5.1): 
http://bugs.php.net/fix.php?id=34661&r=trysnapshot51
Fixed in CVS:                http://bugs.php.net/fix.php?id=34661&r=fixedcvs
Fixed in release:            http://bugs.php.net/fix.php?id=34661&r=alreadyfixed
Need backtrace:              http://bugs.php.net/fix.php?id=34661&r=needtrace
Need Reproduce Script:       http://bugs.php.net/fix.php?id=34661&r=needscript
Try newer version:           http://bugs.php.net/fix.php?id=34661&r=oldversion
Not developer issue:         http://bugs.php.net/fix.php?id=34661&r=support
Expected behavior:           http://bugs.php.net/fix.php?id=34661&r=notwrong
Not enough info:             
http://bugs.php.net/fix.php?id=34661&r=notenoughinfo
Submitted twice:             
http://bugs.php.net/fix.php?id=34661&r=submittedtwice
register_globals:            http://bugs.php.net/fix.php?id=34661&r=globals
PHP 3 support discontinued:  http://bugs.php.net/fix.php?id=34661&r=php3
Daylight Savings:            http://bugs.php.net/fix.php?id=34661&r=dst
IIS Stability:               http://bugs.php.net/fix.php?id=34661&r=isapi
Install GNU Sed:             http://bugs.php.net/fix.php?id=34661&r=gnused
Floating point limitations:  http://bugs.php.net/fix.php?id=34661&r=float
No Zend Extensions:          http://bugs.php.net/fix.php?id=34661&r=nozend
MySQL Configuration Error:   http://bugs.php.net/fix.php?id=34661&r=mysqlcfg

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