<?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; 
} 
 
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