source: branches/rel/data/module/Smarty/libs/plugins/function.counter.php @ 12157

Revision 12157, 1.7 KB checked in by uehara, 17 years ago (diff)
Line 
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 */
22function 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?>
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