git.sur5r.net Git - contagged/blob - smarty/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  * @link http://smarty.php.net/manual/en/language.function.counter.php {counter}
  16  *       (Smarty online manual)
  17  * @param array parameters
  18  * @param Smarty
  19  * @return string|null
  20  */
  21 function smarty_function_counter($params, &$smarty)
  22 {
  23     static $counters = array();
  24
  25     extract($params);
  26
  27     if (!isset($name)) {
  28                 if(isset($id)) {
  29                         $name = $id;
  30                 } else {
  31                 $name = "default";
  32                 }
  33         }
  34
  35     if (!isset($counters[$name])) {
  36         $counters[$name] = array(
  37             'start'=>1,
  38             'skip'=>1,
  39             'direction'=>'up',
  40             'count'=>1
  41             );
  42     }
  43     $counter =& $counters[$name];
  44
  45     if (isset($start)) {
  46         $counter['start'] = $counter['count'] = $start;
  47     }
  48
  49     if (!empty($assign)) {
  50         $counter['assign'] = $assign;
  51     }
  52
  53     if (isset($counter['assign'])) {
  54         $smarty->assign($counter['assign'], $counter['count']);
  55     }
  56
  57     if (isset($print)) {
  58         $print = (bool)$print;
  59     } else {
  60         $print = empty($counter['assign']);
  61     }
  62
  63     if ($print) {
  64         $retval = $counter['count'];
  65         } else {
  66                 $retval = null;
  67         }
  68
  69     if (isset($skip)) {
  70         $counter['skip'] = $skip;
  71     }
  72
  73     if (isset($direction)) {
  74         $counter['direction'] = $direction;
  75     }
  76
  77     if ($counter['direction'] == "down")
  78         $counter['count'] -= $counter['skip'];
  79     else
  80         $counter['count'] += $counter['skip'];
  81
  82         return $retval;
  83
  84 }
  85
  86 /* vim: set expandtab: */
  87
  88 ?>