Pulling column values from MySQL with PHP - php

Question

I am trying to get all the values (numeric) of the column Bruel_ID from database mpctz_rsform_bruels to display them in a RSForm dropdown box. I'm using this code:
$db = JFactory::getDbo();
$db->setQuery("SELECT Bruel_ID FROM mpctz_rsform_bruels");
return $db->loadResult();
Howeve, I am only pulling the lowest value of the column. How can I get all the values?
Thanks,
Dani
Edit: I have been searching and I've found this code which was supposed to work:
//<code>
// Prepare the empty array
$items = array();
// Prepare the database connection
$db = JFactory::getDbo();
// Keep this if you'd like a "Please select" option, otherwise comment or remove it
$items[] = "|Selecciona un número[c]";
// Run the SQL query and store it in $results
$db->setQuery("SELECT Bruel_ID, Bruel_ID FROM #__rsform_bruels");
$results = $db->loadObjectList();
// Now, we need to convert the results into a readable RSForm! Pro format.
// The Items field will accept values in this format:
// value-to-be-stored|value-to-be-shown
// Eg. m|M-sized T-shirt
foreach ($results as $result) {
$value = $result->your_value;
$label = $result->your_label;
$items[] = $value.'|'.$label;
}
// Multiple values are separated by new lines, so we need to do this now
$items = implode("\n", $items);
// Now we need to return the value to the field
return $items;
//</code>
However, it displays nothing in the dropdown box, just the default value. Any help?

Answer 1

You can use loadColumn() to get an array of all the result in a single column. The below shows just that and a foreach loop so that each result displays on a new line:
$db = JFactory::getDbo();
$query = $db->getQuery(true);
$query->select($db->quoteName('Bruel_ID'))
->from($db->quoteName('#__rsform_bruels'))
->order($db->quoteName('Bruel_ID') . 'DESC');
$db->setQuery($query);
$results = $db->loadColumn();
$items[] = "|Selecciona un número[c]";
foreach ($results as $id) {
$items[] = $id.'|'.$id;
}
$items = implode("\n", $items);
return $items;
This uses the most up to date Joomla coding standards for a database query.
Also notice I have replaced mpctz_ with #__ which is a built in Joomla feature that will automatically get the table prefix. It saves you having to manually define it which is bad as in the future, you may decide to change the prefixx.
Hope this helps