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Bug #42737 Notice: preg_split(): Unknown error
Submitted: 2007-09-22 20:11 UTC Modified: 2007-10-07 13:57 UTC
Votes:1
Avg. Score:1.0 ± 0.0
Reproduced:1 of 1 (100.0%)
Same Version:0 (0.0%)
Same OS:0 (0.0%)
From: rm at drgs dot no Assigned: nlopess
Status: Closed Package: PCRE related
PHP Version: 5.2.4 OS: Mac OS X 10.3.9
Private report: No CVE-ID:
 [2007-09-22 20:11 UTC] rm at drgs dot no
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
)


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 [2007-09-22 20:17 UTC] rm at drgs dot no
this seems to be the case with all strings which end with "\r\n"


btw, theres an extra obsolete parantesis at the end of the second 
line in reproduce code, sorry
 [2007-10-07 13:57 UTC] nlopess@php.net
This bug has been fixed in CVS.

Snapshots of the sources are packaged every three hours; this change
will be in the next snapshot. You can grab the snapshot at
http://snaps.php.net/.
 
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