| 1 | <?php
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| 2 | /**
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| 3 | * Smarty plugin
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| 4 | * @package Smarty
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| 5 | * @subpackage plugins
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| 6 | */
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| 7 |
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| 8 |
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| 9 | /**
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| 10 | * Smarty {counter} function plugin
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| 11 | *
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| 12 | * Type: function<br>
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| 13 | * Name: counter<br>
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| 14 | * Purpose: print out a counter value
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| 15 | * @author Monte Ohrt <monte at ohrt dot com>
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| 16 | * @link http://smarty.php.net/manual/en/language.function.counter.php {counter}
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| 17 | * (Smarty online manual)
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| 18 | * @param array parameters
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| 19 | * @param Smarty
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| 20 | * @return string|null
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| 21 | */
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| 22 | function smarty_function_counter($params, &$smarty)
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| 23 | {
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| 24 | static $counters = array();
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| 25 |
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| 26 | $name = (isset($params['name'])) ? $params['name'] : 'default';
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| 27 | if (!isset($counters[$name])) {
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| 28 | $counters[$name] = array(
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| 29 | 'start'=>1,
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| 30 | 'skip'=>1,
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| 31 | 'direction'=>'up',
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| 32 | 'count'=>1
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| 33 | );
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| 34 | }
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| 35 | $counter =& $counters[$name];
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| 36 |
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| 37 | if (isset($params['start'])) {
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| 38 | $counter['start'] = $counter['count'] = (int)$params['start'];
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| 39 | }
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| 40 |
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| 41 | if (!empty($params['assign'])) {
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| 42 | $counter['assign'] = $params['assign'];
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| 43 | }
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| 44 |
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| 45 | if (isset($counter['assign'])) {
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| 46 | $smarty->assign($counter['assign'], $counter['count']);
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| 47 | }
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| 48 |
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| 49 | if (isset($params['print'])) {
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| 50 | $print = (bool)$params['print'];
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| 51 | } else {
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| 52 | $print = empty($counter['assign']);
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| 53 | }
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| 54 |
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| 55 | if ($print) {
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| 56 | $retval = $counter['count'];
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| 57 | } else {
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| 58 | $retval = null;
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| 59 | }
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| 60 |
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| 61 | if (isset($params['skip'])) {
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| 62 | $counter['skip'] = $params['skip'];
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| 63 | }
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| 64 |
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| 65 | if (isset($params['direction'])) {
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| 66 | $counter['direction'] = $params['direction'];
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| 67 | }
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| 68 |
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| 69 | if ($counter['direction'] == "down")
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| 70 | $counter['count'] -= $counter['skip'];
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| 71 | else
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| 72 | $counter['count'] += $counter['skip'];
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| 73 |
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| 74 | return $retval;
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| 75 |
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| 76 | }
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| 77 |
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| 78 | /* vim: set expandtab: */
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| 79 |
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| 80 | ?>
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