| 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 | $name = (isset($params['name'])) ? $params['name'] : 'default'; | 
| 26 | if (!isset($counters[$name])) { | 
| 27 | $counters[$name] = array( | 
| 28 | 'start'=>1, | 
| 29 | 'skip'=>1, | 
| 30 | 'direction'=>'up', | 
| 31 | 'count'=>1 | 
| 32 | ); | 
| 33 | } | 
| 34 | $counter =& $counters[$name]; | 
| 35 |  | 
| 36 | if (isset($params['start'])) { | 
| 37 | $counter['start'] = $counter['count'] = (int)$params['start']; | 
| 38 | } | 
| 39 |  | 
| 40 | if (!empty($params['assign'])) { | 
| 41 | $counter['assign'] = $params['assign']; | 
| 42 | } | 
| 43 |  | 
| 44 | if (isset($counter['assign'])) { | 
| 45 | $smarty->assign($counter['assign'], $counter['count']); | 
| 46 | } | 
| 47 |  | 
| 48 | if (isset($params['print'])) { | 
| 49 | $print = (bool)$params['print']; | 
| 50 | } else { | 
| 51 | $print = empty($counter['assign']); | 
| 52 | } | 
| 53 |  | 
| 54 | if ($print) { | 
| 55 | $retval = $counter['count']; | 
| 56 | } else { | 
| 57 | $retval = null; | 
| 58 | } | 
| 59 |  | 
| 60 | if (isset($params['skip'])) { | 
| 61 | $counter['skip'] = $params['skip']; | 
| 62 | } | 
| 63 |  | 
| 64 | if (isset($params['direction'])) { | 
| 65 | $counter['direction'] = $params['direction']; | 
| 66 | } | 
| 67 |  | 
| 68 | if ($counter['direction'] == "down") | 
| 69 | $counter['count'] -= $counter['skip']; | 
| 70 | else | 
| 71 | $counter['count'] += $counter['skip']; | 
| 72 |  | 
| 73 | return $retval; | 
| 74 |  | 
| 75 | } | 
| 76 |  | 
| 77 | /* vim: set expandtab: */ | 
| 78 |  | 
| 79 | ?> |