wwwroot/smarty/libs/plugins/function.counter.php

   1 <?php
   2 /**
   3  * Smarty plugin
   4  * @package Smarty
   5  * @subpackage plugins
   6  */
   7
   8
   9 /**
  10  * Smarty {counter} function plugin
  11  *
  12  * Type:     function<br>
  13  * Name:     counter<br>
  14  * Purpose:  print out a counter value
  15  * @author Monte Ohrt <monte at ohrt dot com>
  16  * @link http://smarty.php.net/manual/en/language.function.counter.php {counter}
  17  *       (Smarty online manual)
  18  * @param array parameters
  19  * @param Smarty
  20  * @return string|null
  21  */
  22 function smarty_function_counter($params, &$smarty)
  23 {
  24     static $counters = array();
  25
  26     $name = (isset($params['name'])) ? $params['name'] : 'default';
  27     if (!isset($counters[$name])) {
  28         $counters[$name] = array(
  29             'start'=>1,
  30             'skip'=>1,
  31             'direction'=>'up',
  32             'count'=>1
  33             );
  34     }
  35     $counter =& $counters[$name];
  36
  37     if (isset($params['start'])) {
  38         $counter['start'] = $counter['count'] = (int)$params['start'];
  39     }
  40
  41     if (!empty($params['assign'])) {
  42         $counter['assign'] = $params['assign'];
  43     }
  44
  45     if (isset($counter['assign'])) {
  46         $smarty->assign($counter['assign'], $counter['count']);
  47     }
  48
  49     if (isset($params['print'])) {
  50         $print = (bool)$params['print'];
  51     } else {
  52         $print = empty($counter['assign']);
  53     }
  54
  55     if ($print) {
  56         $retval = $counter['count'];
  57     } else {
  58         $retval = null;
  59     }
  60
  61     if (isset($params['skip'])) {
  62         $counter['skip'] = $params['skip'];
  63     }
  64
  65     if (isset($params['direction'])) {
  66         $counter['direction'] = $params['direction'];
  67     }
  68
  69     if ($counter['direction'] == "down")
  70         $counter['count'] -= $counter['skip'];
  71     else
  72         $counter['count'] += $counter['skip'];
  73
  74     return $retval;
  75
  76 }
  77
  78 /* vim: set expandtab: */
  79
  80 ?>