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Request #63928 unexpected behaviour of sprintf
Submitted: 2013-01-07 09:19 UTC Modified: 2013-01-07 10:27 UTC
From: Mikayuoads at gmail dot com Assigned:
Status: Wont fix Package: Unknown/Other Function
PHP Version: 5.4.10 OS: Gentoo
Private report: No CVE-ID: None
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 [2013-01-07 09:19 UTC] Mikayuoads at gmail dot com 
Description:
------------
---
From manual page: http://www.php.net/function.sprintf#refsect1-function.sprintf-seealso
---

Right padding doesn't work with zeros.

Test script:
---------------
echo sprintf('%\'0-5d', 42); // output: '42   '
echo sprintf('%0-5d', 42); // output: '42   '
echo sprintf('%\'#-5d', 42); // output: '42###'

Expected result:
----------------
expected result:
echo sprintf('%\'0-5d', 42); // output: '42000'
echo sprintf('%0-5d', 42); // output: '42000'
echo sprintf('%\'#-5d', 42); // output: '42###'

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 [2013-01-07 10:27 UTC] cataphract@php.net
-Status: Open +Status: Wont fix
 [2013-01-07 10:27 UTC] cataphract@php.net 
The sprintf() function specified for the C standard, and upon which PHP's function is based explicitly says that "[i]f the 0 and-flags both appear, the 0 flag is ignored."

Implementing different behavior in PHP would be ill-advised.
 
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