File plugins/smarty/smarty_source/plugins/function.counter.php

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