ID:               45850
 Updated by:       [EMAIL PROTECTED]
 Reported By:      thunder013 at yopmail dot com
-Status:           Open
+Status:           Closed
 Bug Type:         PCRE related
 Operating System: *
 PHP Version:      5.2.6
 New Comment:

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/.
 
Thank you for the report, and for helping us make PHP better.

Merged the VERY simple fix to PHP_5_2. 


Previous Comments:
------------------------------------------------------------------------

[2008-08-18 22:09:28] [EMAIL PROTECTED]

The #42737 was fixed in 5_3 and HEAD.
Thus using your example code in the 5.3 I got the expected result.

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

[2008-08-18 11:47:22] thunder013 at yopmail dot com

Oh... In fact the bug #42737 that I link concerns the sequence "\n\r",
not "\n\t"...

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

[2008-08-18 11:29:53] thunder013 at yopmail dot com

Description:
------------
I want to use preg_split with the u modifier to split a UTF-8 string by
each character, like that: preg_split('//u', $txt, -1,
PREG_SPLIT_NO_EMPTY);

It works fine, however, there is a bug when the string contains the
sequence "\n\t" (0x0A09 in hex): the two characters are NOT splitted
(see the example attached).

Note that this bug isn't present when preg_split is used whithout the u
modifier.

This bug was reported previously here for version 5.2.4:
http://bugs.php.net/bug.php?id=42737, but netherless is *still* present
in version 5.2.5 and 5.2.6!

Reproduce code:
---------------
<?

        $txt = "abc\n\txyz!";
        $tab = preg_split('//u', $txt, -1, PREG_SPLIT_NO_EMPTY);
        print_r($tab);
        echo '$tab[3]: len = ', strlen($tab[3]), ', hex = ',
bin2hex($tab[3]), "\n";
?>


Expected result:
----------------
Array
(
    [0] => a
    [1] => b
    [2] => c
    [3] => 

    [4] =>      
    [5] => x
    [6] => y
    [7] => z
    [8] => !
)
$tab[3]: len = 1, hex = 0a


Actual result:
--------------
$ php test.php
Array
(
    [0] => a
    [1] => b
    [2] => c
    [3] => 
        
    [4] => x
    [5] => y
    [6] => z
    [7] => !
)
$tab[3]: len = 2, hex = 0a09


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


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