Bug #65132 [Opn->Wfx]: trim does not include non breaking whitespace

From: Date: Wed, 26 Jun 2013 15:49:58 +0000
Subject: Bug #65132 [Opn->Wfx]: trim does not include non breaking whitespace
References: 1  Groups: php.bugs 
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Edit report at https://bugs.php.net/bug.php?id=65132&edit=1

 ID:                 65132
 Updated by:         aharvey@php.net
 Reported by:        daniel at 203core dot se
 Summary:            trim does not include non breaking whitespace
-Status:             Open
+Status:             Wont fix
 Type:               Bug
-Package:            Scripting Engine problem
+Package:            Strings related
 Operating System:   FreeBSD 9.1
 PHP Version:        5.4.16
 Block user comment: N
 Private report:     N

 New Comment:

There are multibyte encodings which are ASCII compatible where a0 is a valid byte 
in non-space characters, Shift JIS being the most obvious one. There would also 
be the issue that a0 is only part of the non-breaking space character in UTF-8 — 
to trim UTF-8 NBSPs, you'd have to also include c2, which would cause even more 
problems.

As a result, we can't really change this. Closing won't fix.


Previous Comments:
------------------------------------------------------------------------
[2013-06-26 08:19:50] daniel at 203core dot se

Description:
------------
If a line contains a non-breaking white space (\xA0) trim doesnt strip it, it should as its a
"space" character

This can easily be bypassed by sending the \xA0 character in the option parameter but it took a
while to figure out there was a non-breaking space character in the string

Test script:
---------------
<?php

$string = " \xA0";
echo strlen(trim($string));

Expected result:
----------------
the script should output a length of 0

Actual result:
--------------
The script outputs a length of 1 as trim doesnt strip the non breaking space


------------------------------------------------------------------------



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Edit this bug report at https://bugs.php.net/bug.php?id=65132&edit=1


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