Re: Variable scope in loops
| From: | Paul Smith | Date: | Tue, 31 Jul 2001 21:49:49 +0000 |
| Subject: | Re: Variable scope in loops | ||
| References: | 1 2 | Groups: | php.windows |
| Request: | Send a blank email to php-windows+get-8601@lists.php.net to get a copy of this message | ||
Whoops, my mistake. I read your code completely wrong. Ignore my
comments. You are calling the first variable but I didn't expect it to
be called like that. I expected that the array would be appended to by
calling it like this:
$incident_array[]=$value;
Nevermind, sorry 'bout that.
Paul Smith wrote:
>
> Well, first of all, to get the first value of the array you should call
> it as $incidnet_array[0]. Now doing that *might* fix your problem if you
> were only recieving one value for the array. So if you were getting
> output inside the array, how many outputs were you getting? One or two
> or more?
>
> ~Paul
>
> Tom Tsongas wrote:
> >
> > Hi folks.
> >
> > I have an interesting problem with regards to variable scope in loops.
> > Now I understand how this operates in functions but its the first time I
> > have seen variable scope in a loop.
> >
> > Below is a code snippet of what I have:
> >
> > // execute SQL query
> > OCIExecute($sql_statement) or die("Couldn't execute statement.");
> >
> > // get number of columns for use later
> > $num_columns = OCINumCols($sql_statement);
> >
> > // format results by row
> > while (OCIFetch($sql_statement)) {
> > for ($i = 1; $i < $num_columns+1; $i++) {
> > // Create array to store fetch results
> > $incident_array[i] = OCIResult($sql_statement,$i);
> > //echo "<P>Incident array value $i: $incident_array[i]</P>";
> >
> > }
> > }
> > // Output results of incident array
> > echo "<P>First array value: $incident_array[1]</P>";
> >
> > Now I 'expected' the echo statement to properly display the results of
> > the first array element but instead, the value is blank. Now when I
> > uncomment the echo statement WITHIN the for loop, it does display so I
> > know the values are being stored but apparantly the scope of the array
> > is within the loop and not outside.
> >
> > How can I make the array values accessible outside of the loop? I found
> > a 'global' statement in the documentation but it didn't seem to like
> > taking an array as a parameter. I had it looking something like this:
> >
> > global $incident_array[];
> >
> > Any help would be appreciated.
> >
> > Tom Tsongas
> >
> > --
> > PHP Windows Mailing List (http://www.php.net/)
> > To unsubscribe, e-mail: php-windows-unsubscribe@lists.php.net
> > For additional commands, e-mail: php-windows-help@lists.php.net
> > To contact the list administrators, e-mail: php-list-admin@lists.php.net
>
> --
> Paul Smith
> psmith@dostuff.net
> http://www.dostuff.net
>
> --
> PHP Windows Mailing List (http://www.php.net/)
> To unsubscribe, e-mail: php-windows-unsubscribe@lists.php.net
> For additional commands, e-mail: php-windows-help@lists.php.net
> To contact the list administrators, e-mail: php-list-admin@lists.php.net
--
Paul Smith
psmith@dostuff.net
http://www.dostuff.net