smarty/plugins/function.counter.php
author Dan
Tue, 01 Jul 2008 04:16:04 -0400
changeset 22 3a4f0cd0794e
parent 0 c63de9eb7045
permissions -rw-r--r--
Added ability to gracefully fail the client if the connection to the server fails
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<?php
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/**
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 * Smarty plugin
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 * @package Smarty
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 * @subpackage plugins
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 */
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/**
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 * Smarty {counter} function plugin
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 *
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 * Type:     function<br>
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 * Name:     counter<br>
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 * Purpose:  print out a counter value
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 * @author Monte Ohrt <monte at ohrt dot com>
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 * @link http://smarty.php.net/manual/en/language.function.counter.php {counter}
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 *       (Smarty online manual)
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 * @param array parameters
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 * @param Smarty
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 * @return string|null
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 */
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function smarty_function_counter($params, &$smarty)
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{
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    static $counters = array();
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    $name = (isset($params['name'])) ? $params['name'] : 'default';
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    if (!isset($counters[$name])) {
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        $counters[$name] = array(
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            'start'=>1,
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            'skip'=>1,
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            'direction'=>'up',
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            'count'=>1
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            );
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    }
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    $counter =& $counters[$name];
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    if (isset($params['start'])) {
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        $counter['start'] = $counter['count'] = (int)$params['start'];
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    }
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    if (!empty($params['assign'])) {
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        $counter['assign'] = $params['assign'];
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    }
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    if (isset($counter['assign'])) {
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        $smarty->assign($counter['assign'], $counter['count']);
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    }
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    if (isset($params['print'])) {
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        $print = (bool)$params['print'];
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    } else {
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        $print = empty($counter['assign']);
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    }
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    if ($print) {
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        $retval = $counter['count'];
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    } else {
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        $retval = null;
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    }
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    if (isset($params['skip'])) {
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        $counter['skip'] = $params['skip'];
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    }
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    if (isset($params['direction'])) {
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        $counter['direction'] = $params['direction'];
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    }
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    if ($counter['direction'] == "down")
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        $counter['count'] -= $counter['skip'];
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    else
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        $counter['count'] += $counter['skip'];
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    return $retval;
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}
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/* vim: set expandtab: */
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?>