Source for file function.counter.php

Documentation is available at 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. ?>

Documentation generated on Sun, 09 Mar 2008 23:51:55 -0300 by phpDocumentor 1.4.0

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