$_POST form variable and use in same php page

**Alvaro G Vicario** · Jul 17 '05, 05:39 AM

Re: $_POST form variable and use in same php page

*** brianj wrote/escribió (3 Jun 2004 22:34:45 -0700):[color=blue]
> I would like to take a value from a checkbox(checke d or unchecked) and
> then use that value in a php script All on the same page. So I should
> post the form to the same page right?
> And then pick that variable up via $_POST or $_REQUEST methods right?
> I have tried various approaches to the action= clause of the form but
> to no avail. I know how i did it in asp but it doesn't seem to work.
> Any advice?[/color]

In ACTION you have to type the URL of the page. That's exactly the same in
PHP, ASP or ColdFusion. What problems have you found?

--
--
-- Álvaro G. Vicario - Burgos, Spain
--

**William Holroyd** · Jul 17 '05, 05:39 AM

Re: $_POST form variable and use in same php page

> Apache/2.0.48 (Win32) PHP/4.3.6[color=blue]
>
> I would like to take a value from a checkbox(checke d or unchecked) and
> then use that value in a php script All on the same page. So I should
> post the form to the same page right?
> And then pick that variable up via $_POST or $_REQUEST methods right?
> I have tried various approaches to the action= clause of the form but
> to no avail. I know how i did it in asp but it doesn't seem to work.
> Any advice?[/color]

Use the name of the form element as the key in $_POST to get the value of
it.

For example, to access the value of this...

<input type="checkbox" name="thisISthe NAME" value="whatever you want it to
be">

you would need to call this in your PHP script to get it...

$HTTP_POST_VARS['thisIStheNAME'];

A good way to see whats being posted is making a file name output.php and
putting just this in it...

<?php

echo '<pre>';
echo print_r($_POST) ;
echo '</pre>';

?>

Hope this helps you out.

-William

$_POST form variable and use in same php page

$_POST form variable and use in same php page

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