2007. 03. 23, péntek keltezéssel 16.55-kor Dwayne Heronimo ezt írta:
> Dear all,
>
> hmm.. sorry the $previewstext thing was a typo in my mail.
>
> But yes it is working but it will only display the first record of the
> recordset. I have like a list for items with short text in a page and of
> course made a query to make the database variables available. Which where
> the variable $row_show_cat['text']; comes from.
>
> This is why I thought that i may have to rewrite it into a function to
> display the $row_show_cat['text']; in a repeated reagion.
>
>
> I have rewritten my function:
>
> <?php
> function previewString($showcatvar) {
>
> $minitxt = $showcatvar;
> $len = strlen($minitxt);
>
> if ($len > 235)
> {
> $len = 235;
> }
> else
> {
> $len = $len;
> }
>
> $newstring = substr($minitxt,0,$len);
>
> $previewtext = $newstring;
>
> $previewtext = $whowcatvar;
what is the meaning of the above line???
you are giving an undefined value (default NULL) to $previewtext, just
after you gave it the right value
delete that line and you might be well
greets
Zoltán Németh
>
> return $previewtext;
> }
> ?>
>
> And to to show it later in the page:
> <?php echo previewString($row_show_cat['text']); ?>
> but this still won't anywould display anything. :S
>
> Please let me know.
>
> ""Tijnema !"" <tijnema@xxxxxxxxx> wrote in message
> news:d8269d910703230826o39de7e53we1f3ac6267a2f0a4@xxxxxxxxxxxxxxxxx
> > On 3/23/07, Dwayne Heronimo <dwayne@xxxxxxxxxxxxxxx> wrote:
> >> Dear All,
> >>
> >> I am very new to programming. I want to make a preview text that would
> >> display only a part of the text that is a text field in a database.
> >>
> >> //Begin Make preview string
> >>
> >> $minitxt = $row_show_cat['text'];
> >> $len = strlen($minitxt);
> >>
> >> if ($len > 235)
> >> {
> >> $len = 235;
> >> }
> >> else
> >> {
> >> $len = $len;
> >> }
> >>
> >> $newstring = substr($minitxt,0,$len);
> >>
> >> $previewtext = $newstring;
> >>
> >> //End Make preview string
> >>
> >> But if I want to display this somewhere in the page it will only display
> >> the
> >> first record of at every text column row <?php echo $previewstext ?>
> >>
> >> Althought I am very new to php and programming. I thought maybe I should
> >> rewrite it into a function. But my function won't work.
> >>
> >>
> >> function previewString($showcatvar) {
> >>
> >> $minitxt = $showcatvar;
> >> $len = strlen($minitxt);
> >>
> >> if ($len > 235)
> >> {
> >> $len = 235;
> >> }
> >> else
> >> {
> >> $len = $len;
> >> }
> >>
> >> $newstring = substr($minitxt,0,$len);
> >>
> >> $previewtext = $newstring;
> >>
> >> $previewtext = $whowcatvar;
> >>
> >> }
> >>
> >>
> >> and to display it in the page:
> >>
> >> <?php echo previewString($row_show_cat['text']) ?>
> >>
> >> IT displays notthing. But I think I am doing somthing wrong. I am
> >> assigning
> >> the wrong variables to the $row_show_cat['text']) ???
> >>
> >> Please let me know
> >
> > I'm currently not sure why your first piece of code isn't working, but
> > the second is quite simple. You aren't returning any variable in your
> > function, and so it won't output anything. Add the following:
> > return $previewtext;
> > Just before the }
> >
> > Then it will return something, but i think not what you wanted to :(
> >
> > Tijnema
> >>
> >> --
> >> PHP General Mailing List (http://www.php.net/)
> >> To unsubscribe, visit: http://www.php.net/unsub.php
> >>
> >>
>
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