From:             rm at drgs dot no
Operating system: Mac OS X 10.3.9
PHP version:      5.2.4
PHP Bug Type:     Unicode Engine related
Bug description:  Notice: preg_split(): Unknown error

Description:
------------
I'm splitting a string into characters with this:

preg_split('//u', $string, - 1, PREG_SPLIT_NO_EMPTY);


I get a notice on an uknown error which happens when I use the 
unicode suffix u in the pattern and when the input string is 
"\r\n":

$string = chr(13).chr(10);

but not when i drop the unicode option, ie. this works fine:
 
preg_split('//', $string, - 1, PREG_SPLIT_NO_EMPTY);

Reproduce code:
---------------
$string = chr(13).chr(10);

$array = preg_split('//u', $string, - 1, PREG_SPLIT_NO_EMPTY));

print_r(array_map('ord', $array));

Expected result:
----------------
Array
(
    [0] => 13
    [1] => 10
)


Actual result:
--------------
<br />
<b>Notice</b>:  preg_split() [<a href='function.preg-
split'>function.preg-split</a>]: Unknown error in <b>/Users/
myname/Sites/script.php</b> on line <b>73</b><br />
Array
(
    [0] => 13
    [1] => 10
)


-- 
Edit bug report at http://bugs.php.net/?id=42737&edit=1
-- 
Try a CVS snapshot (PHP 4.4): 
http://bugs.php.net/fix.php?id=42737&r=trysnapshot44
Try a CVS snapshot (PHP 5.2): 
http://bugs.php.net/fix.php?id=42737&r=trysnapshot52
Try a CVS snapshot (PHP 6.0): 
http://bugs.php.net/fix.php?id=42737&r=trysnapshot60
Fixed in CVS:                 http://bugs.php.net/fix.php?id=42737&r=fixedcvs
Fixed in release:             
http://bugs.php.net/fix.php?id=42737&r=alreadyfixed
Need backtrace:               http://bugs.php.net/fix.php?id=42737&r=needtrace
Need Reproduce Script:        http://bugs.php.net/fix.php?id=42737&r=needscript
Try newer version:            http://bugs.php.net/fix.php?id=42737&r=oldversion
Not developer issue:          http://bugs.php.net/fix.php?id=42737&r=support
Expected behavior:            http://bugs.php.net/fix.php?id=42737&r=notwrong
Not enough info:              
http://bugs.php.net/fix.php?id=42737&r=notenoughinfo
Submitted twice:              
http://bugs.php.net/fix.php?id=42737&r=submittedtwice
register_globals:             http://bugs.php.net/fix.php?id=42737&r=globals
PHP 3 support discontinued:   http://bugs.php.net/fix.php?id=42737&r=php3
Daylight Savings:             http://bugs.php.net/fix.php?id=42737&r=dst
IIS Stability:                http://bugs.php.net/fix.php?id=42737&r=isapi
Install GNU Sed:              http://bugs.php.net/fix.php?id=42737&r=gnused
Floating point limitations:   http://bugs.php.net/fix.php?id=42737&r=float
No Zend Extensions:           http://bugs.php.net/fix.php?id=42737&r=nozend
MySQL Configuration Error:    http://bugs.php.net/fix.php?id=42737&r=mysqlcfg

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