From:             rich at corephp dot co dot uk
Operating system: Windows XP SP2
PHP version:      5.2.3
PHP Bug Type:     Filter related
Bug description:  filter_validate_float doesn't allow scientific flag

Description:
------------
FILTER_VALIDATE_FLOAT doesn't allow for the use of
FILTER_FLAG_ALLOW_SCIENTIFIC as an option, although it DOES allow for the
use of FILTER_FLAG_ALLOW_THOUSAND.

As both are valid FILTER_SANITIZE_NUMBER_FLOAT flags, why not the same for
the validate float filter itself?

Reproduce code:
---------------
$val = '34,200';
$result = filter_var($val, FILTER_VALIDATE_FLOAT,
FILTER_FLAG_ALLOW_THOUSAND);
var_dump($val);
var_dump($result);

$val = 'e34200';
$result = filter_var($val, FILTER_VALIDATE_FLOAT,
FILTER_FLAG_ALLOW_SCIENTIFIC);
var_dump($val);
var_dump($result);


Expected result:
----------------
string(6) "34,200"
float(34200)

string(6) "e34200"
float(34200)


Actual result:
--------------
string(6) "34,200"
float(34200)

string(6) "e34200"
bool(false)


-- 
Edit bug report at http://bugs.php.net/?id=41681&edit=1
-- 
Try a CVS snapshot (PHP 4.4): 
http://bugs.php.net/fix.php?id=41681&r=trysnapshot44
Try a CVS snapshot (PHP 5.2): 
http://bugs.php.net/fix.php?id=41681&r=trysnapshot52
Try a CVS snapshot (PHP 6.0): 
http://bugs.php.net/fix.php?id=41681&r=trysnapshot60
Fixed in CVS:                 http://bugs.php.net/fix.php?id=41681&r=fixedcvs
Fixed in release:             
http://bugs.php.net/fix.php?id=41681&r=alreadyfixed
Need backtrace:               http://bugs.php.net/fix.php?id=41681&r=needtrace
Need Reproduce Script:        http://bugs.php.net/fix.php?id=41681&r=needscript
Try newer version:            http://bugs.php.net/fix.php?id=41681&r=oldversion
Not developer issue:          http://bugs.php.net/fix.php?id=41681&r=support
Expected behavior:            http://bugs.php.net/fix.php?id=41681&r=notwrong
Not enough info:              
http://bugs.php.net/fix.php?id=41681&r=notenoughinfo
Submitted twice:              
http://bugs.php.net/fix.php?id=41681&r=submittedtwice
register_globals:             http://bugs.php.net/fix.php?id=41681&r=globals
PHP 3 support discontinued:   http://bugs.php.net/fix.php?id=41681&r=php3
Daylight Savings:             http://bugs.php.net/fix.php?id=41681&r=dst
IIS Stability:                http://bugs.php.net/fix.php?id=41681&r=isapi
Install GNU Sed:              http://bugs.php.net/fix.php?id=41681&r=gnused
Floating point limitations:   http://bugs.php.net/fix.php?id=41681&r=float
No Zend Extensions:           http://bugs.php.net/fix.php?id=41681&r=nozend
MySQL Configuration Error:    http://bugs.php.net/fix.php?id=41681&r=mysqlcfg

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