* Type:       function
 * {html_checkboxes values=$ids output=$names}
 * {html_checkboxes values=$ids name='box' separator=' 
 * @link http://smarty.php.net/manual/en/language.function.html.checkboxes.php {html_checkboxes}
 *      (Smarty online manual)
 * @author     Christopher Kvarme 
 * @author credits to Monte Ohrt 
 * @version    1.0
 * @param array
 * @param Smarty
 * @return string
 * @uses smarty_function_escape_special_chars()
 */
function smarty_function_html_checkboxes($params, &$smarty)
{
    require_once $smarty->_get_plugin_filepath('shared','escape_special_chars');
    $name = 'checkbox';
    $values = null;
    $options = null;
    $selected = null;
    $separator = '';
    $labels = true;
    $output = null;
    $extra = '';
    foreach($params as $_key => $_val) {
        switch($_key) {
            case 'name':
            case 'separator':
                $$_key = $_val;
                break;
            case 'labels':
                $$_key = (bool)$_val;
                break;
            case 'options':
                $$_key = (array)$_val;
                break;
            case 'values':
            case 'output':
                $$_key = array_values((array)$_val);
                break;
            case 'checked':
            case 'selected':
                $selected = array_map('strval', array_values((array)$_val));
                break;
            case 'checkboxes':
                $smarty->trigger_error('html_checkboxes: the use of the "checkboxes" attribute is deprecated, use "options" instead', E_USER_WARNING);
                $options = (array)$_val;
                break;
            case 'assign':
                break;
            default:
                if(!is_array($_val)) {
                    $extra .= ' '.$_key.'="'.smarty_function_escape_special_chars($_val).'"';
                } else {
                    $smarty->trigger_error("html_checkboxes: extra attribute '$_key' cannot be an array", E_USER_NOTICE);
                }
                break;
        }
    }
    if (!isset($options) && !isset($values))
        return ''; /* raise error here? */
    settype($selected, 'array');
    $_html_result = array();
    if (isset($options)) {
        foreach ($options as $_key=>$_val)
            $_html_result[] = smarty_function_html_checkboxes_output($name, $_key, $_val, $selected, $extra, $separator, $labels);
    } else {
        foreach ($values as $_i=>$_key) {
            $_val = isset($output[$_i]) ? $output[$_i] : '';
            $_html_result[] = smarty_function_html_checkboxes_output($name, $_key, $_val, $selected, $extra, $separator, $labels);
        }
    }
    if(!empty($params['assign'])) {
        $smarty->assign($params['assign'], $_html_result);
    } else {
        return implode("\n",$_html_result);
    }
}
function smarty_function_html_checkboxes_output($name, $value, $output, $selected, $extra, $separator, $labels) {
    $_output = '';
    if ($labels) $_output .= '';
    $_output .= ' ';
    $_output .=  $separator;
    return $_output;
}
?>