On Mon, 21 Jun 2004 23:19:58 -0400, Andre Dubuc <[EMAIL PROTECTED]> wrote:
>
> I'm trying to sort alphabetically a large text string filled with first and
> last names separated by ", " That would seem to be a simple task, but
> sort($txt) does not seem to work even when $txt is an array.
>
> The code :
>
> <?php
>
> $OK= "Joe Blow, Sam Hill, Henry Forget, etc, etc";
>
> $_SESSION['txt'] = "$OK";
> session_write_close();
> $txt = $_SESSION['txt'];
>
> $names = explode(", ", $txt);
> foreach($names as $key => $names){
>
> sort($names); //line 235
> reset($names); // line 236
> while (list($key, $val) = each($names)) { //line 237
> }
> }
>
> $sorted = implode(", ", $names);
> return($sorted);
>
> ?>
>
> I assumed this would work, but I get error messages (for every value in the
> txt array) stating that '$txt' is not an array -- even though it shows up as
> Array(Joe Blow, Sam Hill, Henry Forget, etc, etc). I'm totally confused here.
> As you may gather, arrays are not one of my 'strong' points :>
>
> Warning: sort() expects parameter 1 to be array, string given in
> /var/www/html/list.php on line 235
>
> Warning: reset() [function.reset]: Passed variable is not an array or object
> in /var/www/html/list.php on line 236
>
> Warning: Variable passed to each() is not an array or object in
> /var/www/html/list.php on line 237
>
> What am I doing wrong?
foreach($names as $key => $names){
You are reusing the same variable, $names is being overwritten.
--
Greg Donald
http://destiney.com/
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