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$app = JFactory::getApplication();
$params = $app->getParams();


// get params / protected from inside joomla module:

<?php defined('_JEXEC') or die;

$modparams = json_decode($module->params);

// print_r($module);

	if ($modparams->bootstrap_size) : ?>

		<div class="col-md-<?php echo "{$modparams->bootstrap_size}"; ?>">

	<?php else : ?>

		<div class="col-md-6">

	<?php endif;