On Thursday 10 Jul 2008 19:36:15 Jake McGraw wrote:
> > echo ereg_replace('__([:alnum:]{1})',strtoupper('\1'),'ss__name');
>
> Problem:
>
> strtoupper('\1') = '\1' => 'ssname'
>
> Problem:
>
> str_repeat('\1',5) = '\1\1\1\1\1' => 'ssnnnnname'
>
> Solution:
>
> preg_replace_callback('/__([a-z])/i', create_function('$a', 'return
> strtoupper($a);'), 'ss__name');
>
> Check out
>
> PCRE (Perl Compatible Regular Expressions)
> http://us3.php.net/manual/en/ref.pcre.php
> preg_replace_callback http://us3.php.net/preg_replace_callback
> create_function http://us3.php.net/create_functionThanks to all. Later found that it is limitation of "ereg_replace()" (against preg_replace()) that it can't execute replacement argument as PHP code nor can call other call_back functions like we could do with preg_replace. Anirudh Zala > > - jake > > > Outputs: > > > > "ssname" instead of "ssName" > > > > Here is bit matching explanation of this behavior > > http://bugs.php.net/bug.php?id=24645&edit=1 (2nd last answer) > > > > Contrary to above explanation, following code works properly (I just used > > different function instead of "strtoupper"): > > > > echo ereg_replace('__([:alnum:]{1})',str_repeat('\1',5),'ss__name'); > > > > Outputs: > > > > "ssnnnnname" as expected. > > > > Any idea of such behavior? Or am i making mistake somewhere? I am using > > PHP 5.1.6 on FC6. Although there is solution in PCRE (preg_replace()) and > > by many other, long, ways, I would like to dig first about this behavior. > > > > Thanks > > > > Anirudh Zala > > _______________________________________________ > > New York PHP Community Talk Mailing List > > http://lists.nyphp.org/mailman/listinfo/talk > > > > NYPHPCon 2006 Presentations Online > > http://www.nyphpcon.com > > > > Show Your Participation in New York PHP > > http://www.nyphp.org/show_participation.php > > _______________________________________________ > New York PHP Community Talk Mailing List > http://lists.nyphp.org/mailman/listinfo/talk > > NYPHPCon 2006 Presentations Online > http://www.nyphpcon.com > > Show Your Participation in New York PHP > http://www.nyphp.org/show_participation.php _______________________________________________ New York PHP Community Talk Mailing List http://lists.nyphp.org/mailman/listinfo/talk NYPHPCon 2006 Presentations Online http://www.nyphpcon.com Show Your Participation in New York PHP http://www.nyphp.org/show_participation.php
