Okay, here's the rub.
Data submitted to display_as_comma...php is going to be in one of these
arrays, based on the form's "method" parameter:
$_POST, $_GET, or $_REQUEST (contains both POST and/or GET data)
So, given this HTML:
<form action='display_as_comma_separated_fields.php' method='POST'>
<input type='hidden' name='rows' value='$row'>
<input type='button' name='submit' type='submit'>
</form>
You'd need to do something like this:
if ($_POST['rows'])
{
foreach ($_POST['rows'] AS $value)
{
echo $value[0] . ',' . $value[1] . ',' .$value[2] . '<br>';
}
}
>Sorry, it should have been typed with a dot after ','
>
>like so:
>
>if ($submit)
>{
> foreach ($rows as $value)
> {
> echo $value[0] . ',' . $value[1] . ',' .$value[2]
>.
>'<br>';
> }
>}
>--- David Halliday <[EMAIL PROTECTED]> wrote:
>
>
>---------------------------------
>Thank you, Jeromie, for the useful explanation. Let me
>clarify the problem Im having a bit more:
>
>I retrieve rows of data from tables and display them
>in html TABLE format. Each operation retrieves the
>rows as an array, which I then use foreach ($row as
>$value) to print on the screen.
>
>Now this works fine but the screen also has other
>graphics, buttons, etc. What I want to do is to add a
>button where a user can click and the SAME array of
>data is retrieved again but displayed, this time, in
>comma-separated rows. It has been a big challenge for
>me. The only way I could think of is to have a hidden
>field in a form with the new submit button I want to
>add, like so:-
>
><form action =
>'display_as_comma_separated_fields.php'>
><input type = 'hidden' name = 'rows' value = '$row'>
><input type = 'button' name = 'submit' type =
>'submit'>
></form>
>
>Note the value of the hidden field i.e. $row. This
>$row is the array already retrieved from the database
>table.
>
>Then, I thought, I could post it to the other php page
>and process it again, using "foreach". In theory this
>seemed perfectly okay but when I do it like this:-
>
>#on page: 'display_as_comma_separated_fields.php' #
>
>$rows = $_POST['rows']; // the array passed in the
>hidden field
>
>if ($submit)
>{
>
> foreach ($rows as $value)
> {
> echo $value[0] . ',' $value[1] . ','$value[2] .
>'<br>';
> }
>}
>
>
>For some reason, I get the error:
>Warning: Invalid argument supplied for foreach()..
>
>.. and for the life of me I cant see why !!!
>
>Any suggestion? Many thanks
>
>--- Jeromie Clark <[EMAIL PROTECTED]> wrote:
>
>
>---------------------------------
>It's hard without some context, but I'm guessing that
>you should be
>looking for your post results in the global $_POST
>variable, but you're not.
>
>Example:
>
>You've got a form, with an element called "item":
><form method='POST' action='target_url.php'>
><input type='text' name='item'>
><input type='submit' value='Go >>'>
>
>On your target page, the value from the form is going
>to be in the
>$_POST array.
>
>example:
>echo $_POST['item'];
>
>Also, if you need to post an array of data via a form,
>you can have
>multiple elements with the same name.
>This is commonly used for checkboxes, where you can
>have multiple
>specified values for one field:
>
><form method='POST' action='target_url.php'>
><input type='checkbox' name='colors[]' value='red'>
><input type='checkbox' name='colors[]' value='blue'>
><input type='checkbox' name='colors[]' value='green'>
></form>
>
>The '[]' at the end of the name tells PHP to compile
>all the values into
>an array for you.
>
>Then, you could do:
>
>foreach($_POST['colors'] AS $color) {
> echo $color . ",";
>}
>
>Hope that helps,
>Jeromie
>
>
>
>>Hello
>>I have this problem that seems at the surface dead
>>easy .., yet ive been struggling with it for a couple
>>of days
>>
>>Id like to give users the option of saving selected
>>data by clicking on a button. When this is done, the
>>same rows would be displayed but this time with
>>comma-separated values, and nothing else. No graphics
>>or other options/buttons on the screen. Then a user
>>would simply save the page as text or html.
>>
>>What I have been trying to do without success, is to
>>post the array in a hidden field to another page.
>>
>>
>And
>
>
>>then try :
>>foreach ($array as $value){
>>
>>etc..}
>>
>>But for some reason that has not worked for me. I
>>keep gettin the error :
>>Warning: Invalid argument supplied for foreach() ..
>>
>>Your suggestions are greatly appreciated,
>>
>>David
>>
>>
>>
>>
>>
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