1 <?php

     2 /**

     3  * Smarty plugin

     4  *

     5  * @package Smarty

     6  * @subpackage PluginsModifierCompiler

     7  */

     8 

     9 /**

    10  * Smarty default modifier plugin

    11  *

    12  * Type:     modifier<br>

    13  * Name:     default<br>

    14  * Purpose:  designate default value for empty variables

    15  *

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

    17  * @author Uwe Tews

    18  * @param array $params parameters

    19  * @return string with compiled code

    20  */

    21 function smarty_modifiercompiler_default ($params, $compiler)

    22 {

    23     $output = $params[0];

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

    25         $params[1] = "''";

    26     }

    27     

    28     array_shift($params);

    29     foreach ($params as $param) {

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

    31     }

    32     return $output;

    33 }

    34 

    35 ?>