Bug #68303 [NEW]: str_split returns garbage when a certain UTF-8 character is passed

From: Date: Fri, 24 Oct 2014 20:07:08 +0000
Subject: Bug #68303 [NEW]: str_split returns garbage when a certain UTF-8 character is passed
Groups: php.bugs 
Request: Send a blank email to php-bugs+get-188296@lists.php.net to get a copy of this message
From:             adrya dot stembridge at gmail dot com
Operating system: CentOS 6.5
PHP version:      5.6.2
Package:          Output Control
Bug Type:         Bug
Bug description:str_split returns garbage when a certain UTF-8 character is passed

Description:
------------
I am attempting to break up a string of initials in order to add periods
after each letter. Ex, AMA becomes A.M.A.   I'm using str_split to
generate an array, which I then glue together with periods. 

The problem is when I have a certain UTF8 character in the string:
"ŞZ". str_split appears to not like the UTF8 encoding of the first
letter. I've added some debug output in the code snippet below.  

Test script:
---------------
	$str_initials = "ŞZ";

	echo "<p><b>\$str_initials</b> $str_initials<p>";
	
	$arr_initials 	= str_split($str_initials);
	print_r($arr_initials);
	echo "<p>";
	foreach ($arr_initials as $initial)
	{
		echo "<b>\$initial</b> $initial<br>";
		$arr_ni[] = $initial . '.';
	}
	$str_initials = implode($arr_ni);

	echo "<p><b>\$str_initials</b> $str_initials";

Expected result:
----------------
ŞZ becomes Ş.Z.

Actual result:
--------------
ŞZ becomes �.�.Z.

-- 
Edit bug report at https://bugs.php.net/bug.php?id=68303&edit=1
-- 
Try a snapshot (PHP 5.4):   https://bugs.php.net/fix.php?id=68303&r=trysnapshot54
Try a snapshot (PHP 5.5):   https://bugs.php.net/fix.php?id=68303&r=trysnapshot55
Try a snapshot (trunk):     https://bugs.php.net/fix.php?id=68303&r=trysnapshottrunk
Fixed in SVN:               https://bugs.php.net/fix.php?id=68303&r=fixed
Fixed in release:           https://bugs.php.net/fix.php?id=68303&r=alreadyfixed
Need backtrace:             https://bugs.php.net/fix.php?id=68303&r=needtrace
Need Reproduce Script:      https://bugs.php.net/fix.php?id=68303&r=needscript
Try newer version:          https://bugs.php.net/fix.php?id=68303&r=oldversion
Not developer issue:        https://bugs.php.net/fix.php?id=68303&r=support
Expected behavior:          https://bugs.php.net/fix.php?id=68303&r=notwrong
Not enough info:            https://bugs.php.net/fix.php?id=68303&r=notenoughinfo
Submitted twice:            https://bugs.php.net/fix.php?id=68303&r=submittedtwice
register_globals:           https://bugs.php.net/fix.php?id=68303&r=globals
PHP 4 support discontinued: https://bugs.php.net/fix.php?id=68303&r=php4
Daylight Savings:           https://bugs.php.net/fix.php?id=68303&r=dst
IIS Stability:              https://bugs.php.net/fix.php?id=68303&r=isapi
Install GNU Sed:            https://bugs.php.net/fix.php?id=68303&r=gnused
Floating point limitations: https://bugs.php.net/fix.php?id=68303&r=float
No Zend Extensions:         https://bugs.php.net/fix.php?id=68303&r=nozend
MySQL Configuration Error:  https://bugs.php.net/fix.php?id=68303&r=mysqlcfg



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