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Bug #56814 Float exponential not supported
Submitted: 2006-02-01 13:14 UTC Modified: 2006-05-13 21:56 UTC
From: x dot philbert at pixandlog dot com Assigned: pajoye (profile)
Status: Closed Package: filter (PECL)
PHP Version: 5.1.1 OS: Linux Gentoo
Private report: No CVE-ID: None
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From: x dot philbert at pixandlog dot com
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 [2006-02-01 13:14 UTC] x dot philbert at pixandlog dot com 
Description:
------------
Hi. I found a new bug with float value.
I don't catch float value with exponential.
Exemple : 1.2e3 or 1.2e-3.

See documentation : http://www.php.net/manual/en/language.types.float.php

I try to receive a float value 1.2e3, 1.2E3, 1.2e-3 in input_get.



Reproduce code:
---------------
<?php
//$_GET['myfloat'] == '1.2e3';
$var = 1.2e3;
var_dump($var);
$var = 148798498444984987498987;
var_dump($var);

$source = INPUT_GET;
$name = 'myfloat';
$ret = input_get($source, $name);
var_dump($ret);
?>


Expected result:
----------------
float(1200)
float(1.4879849844499E+23)
float(1200)


Actual result:
--------------
float(1200)
float(1.4879849844499E+23)
NULL

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 [2006-02-02 13:29 UTC] x dot philbert at pixandlog dot com 
Hi.

I wrote a little change of logical_filter.c version. I worked on cvs file revision 1.21 2006/01/31 19:12:29.

I don't send the file and not copy here because it's too large.

But you could download the file here :
http://194.250.173.209/~xavier/logical_filters-cvs-xavier-20060202-19h16.patch
or the full file :
http://194.250.173.209/~xavier/logical_filters.c

I try to perform E and e with +-. So now we will can to give
12.25; -12.25; 0.02; 0.; 0.42; 12e3; +12E3; -12e3; 12E-3; 0E2; 10E0; 10e-0; 0.E2; .2E+5; .04e-2; +32.042E+8; +2E499; -2E499

With these values we will catch an error (so return == NULL):
E2; +E2; -E2; 10E; 2E+; 2E-

If you will find another tests, please contact me for my unit tests with SimpleTests. Sorry i don't know how work phpt files. I know to write these but not launch.

Bye good night or day.
 [2006-05-13 21:56 UTC] pierre dot php at gmail dot com 
This bug has been fixed in CVS.

In case this was a documentation problem, the fix will show up at the
end of next Sunday (CET) on pecl.php.net.

In case this was a pecl.php.net website problem, the change will show
up on the website in short time.
 
Thank you for the report, and for helping us make PECL better.

Thanks for the patch. However I was only adding this features and the custom decimal separator and did not use it, maybe next time :)
 
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