No ideas? I am on abit of a tight schedule here and would really appreciate any help

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I am making a wordpress plugin but I am having difficulty accessing the results from an array in a function

Radio Box:
[CODE]
<!-- First radio button -->
<label><input name="posk_options[radio_group_two]" type="radio" value="satellite" <?php checked('satellite', $options['RADIO_GROUP']); ?> /> Satellite</label><br />

                    <!-- Second radio button -->
                    <label><input name="posk_options[radio_group_two]" type="radio" value="hybrid" <?php checked('hybrid', $options['RADIO_GROUP']); ?> /> Hybrid</label><br />

[/CODE]

[CODE]function MY_function ($atts, $content = null) {
...
), $atts));
$src = "...ptype=".$RADIO_GROUP."..se";
return '...';
}[/CODE]

Ive edited out some of the needless code and just put ... there.
The code above does not work. I am trying to get the result from the radio box to insert further down in the function but I cannot access it. The radio box is selected from an options page and saves succesfully.
So I want $RADIO_GROUP to read satellite or hybrid.
What can I do to read the result from the array and insert it in a different function?
Thanks in advance

I posted previously trying to find out how to get my data that is stored in a database, but then Ive thought what if i just use arrays?
I have some code here on my Wordpress Plugin Options page which allows a user to enter a value and save it. How Can I save the value as an array so that I can call on it later?

[CODE]<div>
<h2>My Plugin Options</h2>

<Form>
Define Height of Box
<input type="textbox" name="n1">

<p>
<input type="submit" value="<?php _e('Save Changes') ?>" />
</p>
</form>
</div>[/CODE]

Thanks

Thanks alot..
But I have messed something up and the Database I thought was created isnt actually there.
I used the code
[CODE]<?php
/ Runs when plugin is activated /
register_activation_hook(FILE,'hello_world_install');

function hello_world_install() {
/ Creates new database field /
add_option("hello_world_data", 'Default', '', 'yes');
}

?>[/CODE]
Mine just isnt called hello world. Am I supposed to use this code as it is? Or am I supposed to remove the first section?

ahh ok. Is there anyway that I can do this with a very short amount of code? Because I will be calling many variables from the database.
Thank you

But The settings for the height are to be done by an admin as they are settings for a plugins size. Cookies an sessions are for users only right?

Thanks for your reply.

Wordpress stores the value in a database. I have a database field in the coding too. So if I put in a value and save it. I can come back the the page later and the value will still be there. It doesnt use cookies.
Are variables in functions global by default or do I have to set them that way?

I am a total noob at php and I am creating a basic wordpress plugin for a site.
I have a function

[CODE]function My_Function_2() {
?>
[/CODE]

Then I have an input inside a div coming from an options page:
[CODE]<form method="post" action="options.php">
<?php wp_nonce_field('update-options'); ?>
Define Box height
<table width="350">
<tr valign="top">
<th width="200" scope="row">Enter Box Height</th>
<td width="50">
<input name="Box_height" type="text" id="Box_height"
value="<?php echo get_option('Box_height'); ?>" />
(ex. 400)</td>
</tr>
</table>[/CODE]
But when I try to $box_height to use in a url later on, it doesnt work.
If I set box_height to a value using an array it works. So I think I need to make the input variable into a Global Variable somehow?
Sorry if I havent made this very clear, im not very well experienced