function.counter.php
上传用户:xjjlds
上传日期:2015-12-05
资源大小:22823k
文件大小:2k
- <?php
- /**
- * Smarty plugin
- * @package Smarty
- * @subpackage plugins
- */
- /**
- * Smarty {counter} function plugin
- *
- * Type: function<br>
- * Name: counter<br>
- * Purpose: print out a counter value
- * @link http://smarty.php.net/manual/en/language.function.counter.php {counter}
- * (Smarty online manual)
- * @param array parameters
- * @param Smarty
- * @return string|null
- */
- function smarty_function_counter($params, &$smarty)
- {
- static $counters = array();
- $name = (isset($params['name'])) ? $params['name'] : 'default';
- if (!isset($counters[$name])) {
- $counters[$name] = array(
- 'start'=>1,
- 'skip'=>1,
- 'direction'=>'up',
- 'count'=>1
- );
- }
- $counter =& $counters[$name];
- if (isset($params['start'])) {
- $counter['start'] = $counter['count'] = (int)$params['start'];
- }
- if (!empty($params['assign'])) {
- $counter['assign'] = $params['assign'];
- }
- if (isset($counter['assign'])) {
- $smarty->assign($counter['assign'], $counter['count']);
- }
-
- if (isset($params['print'])) {
- $print = (bool)$params['print'];
- } else {
- $print = empty($counter['assign']);
- }
- if ($print) {
- $retval = $counter['count'];
- } else {
- $retval = null;
- }
- if (isset($params['skip'])) {
- $counter['skip'] = $params['skip'];
- }
-
- if (isset($params['direction'])) {
- $counter['direction'] = $params['direction'];
- }
- if ($counter['direction'] == "down")
- $counter['count'] -= $counter['skip'];
- else
- $counter['count'] += $counter['skip'];
-
- return $retval;
-
- }
- /* vim: set expandtab: */
- ?>