Echo joomla modules with php

echo-module.php

<?php 

// https://joomla.stackexchange.com/questions/1054/displaying-a-joomla-module-using-php

$modules  = JModuleHelper::getModules("dashboard_main");
$document = JFactory::getDocument();     
$attribs  = array();
$attribs['style'] = 'xhtml';

foreach ($modules as $mod)
{
    echo JModuleHelper::renderModule($mod, $attribs);
}