Ash - Thanks for correcting me [should I say us ;) ]. So, if my understandng
is right, we should use # instead of the superglobal variable.
David - Sorry to have written that. I was not aware of the implications of
the grand old way of doing it. :)
Regards,
Shreyas
On Mon, Jul 5, 2010 at 4:24 AM, Ashley Sheridan <ash@xxxxxxxxxxxxxxxxxxxx>wrote:
> On Sun, 2010-07-04 at 18:23 -0400, David Mehler wrote:
>
> > Hello everyone,
> > Thanks for your suggestions.
> > For my variable in the value area of the text input field I enter
> >
> > value="<?php echo $name"; ?>
> >
> > Prior to this I assign the variable $name to:
> >
> > $name = stripslashes($_POST['name']);
> >
> > I hope this is correct.
> > Sticky forms sounds exactly what i'm looking for. I've changed my
> > action attribute to
> >
> > <?php echo $_SERVER['PHP_SELF']; ?>
> >
> > The first thing I do once the page is loaded is check whether or not
> > submit is set, if it is not I display the form, which is in a function
> > call. If submit is set I want to begtin validation, so i'm deciding to
> > merge my two files in to one, I like this better. My question is say
> > for example the name text field is not filled out but all the other
> > required fields are how do I get the form to redisplay itself? I was
> > thinking a location redirect, but this doesn't sound right.
> > Thanks.
> > Dave.
> >
> >
> > On 7/4/10, Paul M Foster <paulf@xxxxxxxxxxxxxxxxx> wrote:
> > > On Sun, Jul 04, 2010 at 01:57:01PM -0400, David Mehler wrote:
> > >
> > >> Hello,
> > >> I've got a form with several required fields of different types. I
> > >> want to have the php script process it only when all the required
> > >> fields are present, and to redisplay the form with filled in values on
> > >> failure so the user won't have to fill out the whole thing again.
> > >> One of my required fields is a text input field called name. If it's
> > >> not filled out the form displayed will show this:
> > >>
> > >> <input type="text" name="name" id="name" size="50" value="<?php
> > >> echo($name); ?>" /> <br />
> > >>
> > >> Note, I've got $_POST* variable processing before this so am assigning
> > >> that processing to short variables.
> > >> If that field is filled out, but another required one is not that form
> > >> field will fill in the value entered for the name field.
> > >> This is working for my text input fields, but not for either select
> > >> boxes or textareas. Here's the textarea also a required field:
> > >>
> > >> <textarea name="description" id="description" cols="50" rows="10"
> > >> value="<?php echo($description); ?>"></textarea>
> > >
> > > Textarea fields don't work this way. To display the prior value, you
> > > have to do this:
> > >
> > > <textarea name="description><?php echo $description; ?></textarea>
> > >
> > >>
> > >> What this does, if a user fills out this field, but misses another, it
> > >> should echo the value of what was originally submitted. It is not
> > >> doing this. Same for my select boxes, here's one:
> > >>
> > >> <select name="type" id="type" value="<?php echo($type); ?>">
> > >> <option value="0" selected="selected">-- select type --</option>
> > >> <option value="meeting"> - Meeting - </option>
> > >> <option value="event"> - Event - </option>
> > >> </select>
> > >
> > > The "value" attribute of a select field won't do this for you. You have
> > > to actually set up each option with an either/or choice, like this:
> > >
> > > <option value="0" <?php if ($type == 'meeting') echo
> 'selected="selected"';
> > > ?>> - Meeting - </option>
> > >
> > > Since doing this is pretty tedious, I use a function here instead:
> > >
> > > function set_selected($fieldname, $value)
> > > {
> > > if ($_POST[$fieldname] == $value)
> > > echo 'selected="selected"';
> > > }
> > >
> > > And then
> > >
> > > <option value="meeting" <?php set_selected('type', 'meeting');
> > > ?>>Meeting</option>
> > >
> > > HTH,
> > >
> > > Paul
> > >
> > > --
> > > Paul M. Foster
> > >
> > > --
> > > PHP General Mailing List (http://www.php.net/)
> > > To unsubscribe, visit: http://www.php.net/unsub.php
> > >
> > >
> >
>
>
> $_SERVER['PHP_SELF'] is not to be trusted, and shouldn't be used as the
> action of a form like this.
> http://www.mc2design.com/blog/php_self-safe-alternatives explains it all
> better than I can here, so it's worth a read, but it does list safe
> alternatives.
>
> One thing I do when creating sticky select lists is this:
>
> $colours = array('red', 'green', 'blue', 'yellow', 'pink');
>
> echo '<select name="colour">';
> for($i=0; $i<count($colours); $i++)
> {
> $selected = (isset($_POST['colour']) && $_POST['colour'] ==
> $i)?'selected="selected"':'';
> echo "<option value=\"$i\" $selected>{$colours[$i]}</option>";
> }
> echo '</select>';
>
> Basically, this uses PHP to not only output the list from an array
> (which itself can be populated from a database maybe) and select the
> right option if it exists in the $_POST array and matches the current
> option in the loop that's being output.
>
> Thanks,
> Ash
> http://www.ashleysheridan.co.uk
>
>
>
--
Regards,
Shreyas Agasthya
