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Doc Bug #62454 change in handling zero length strings.
Submitted: 2012-06-30 08:43 UTC Modified: 2012-07-20 09:09 UTC
From: m at micheas dot net Assigned:
Status: Wont fix Package: Documentation problem
PHP Version: 5.3.14 OS:
Private report: No CVE-ID: None
View Developer Edit
 [2012-06-30 08:43 UTC] m at micheas dot net 
Description:
------------
---
From manual page: http://www.php.net/function.number-format#refsect1-
function.number-format-changelog
---
In prior to php 5.3 non-numeric input returned 0 it now returns null.

Test script:
---------------
/* this returns 0 prior to php 5.3. As of 5.3 it returns Null */
print number_format("",0);

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 [2012-06-30 11:10 UTC] nikic@php.net 
Related: https://bugs.php.net/bug.php?id=50696

As of PHP 5.3 all functions (minus a few rare exceptions) throw a warning (and return NULL) on invalid parameters. As this is the same for all functions it isn't explicitly documented.

As the number_format case now came up again one could maybe add a note in the changelog or something like that.
 [2012-07-20 09:09 UTC] aharvey@php.net 
General policy is not to fix these. (And yes, given the commit I just made for doc bug #62471, I realise I'm a giant hypocrite saying that.)
 [2012-07-20 09:09 UTC] aharvey@php.net
-Status: Open +Status: Wont fix
 
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