<?php 

echo"-";

defined("_JEXEC") or die("Restricted access"); 

$db = &JFactory::getDBO(); 
$query='select * from jos_jumi'; 

$db->setQuery($query); 

 $tuplas = $db->loadResultArray();  
    
 //print_r($tuplas);

 foreach($tuplas as $tupla) { 
    echo "-".$tupla[0]; 
}  


?>

sacar datos de mysql  joomla con jumi

PHP