<?php

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;
}

?>