<?php

/**

 * Smarty plugin

 *

 * @package    Smarty

 * @subpackage PluginsModifierCompiler

 */

/**

 * Smarty default modifier plugin

 * Type:     modifier<br>

 * Name:     default<br>

 * Purpose:  designate default value for empty variables

 *

 * @link   http://www.smarty.net/manual/en/language.modifier.default.php default (Smarty online manual)

 * @author Uwe Tews

 *

 * @param array $params parameters

 *

 * @return string with compiled code

 */

function smarty_modifiercompiler_default($params) {

    $output = $params[0];

    if (!isset($params[1])) {

        $params[1] = "''";

    }

    array_shift($params);

    foreach ($params as $param) {

        $output = '(($tmp = @' . $output . ')===null||$tmp===\'\' ? ' . $param . ' : $tmp)';

    }

    return $output;

}