www.gusucode.com > iCMS 基于HTML5的多终端建站系统 v6.0.7源码程序 > icms_v6.0.7.1/iPHP/core/template/plugins/modifier.default.php

    <?php
/**
 * template_lite default modifier plugin
 *
 * Type:     modifier
 * Name:     default
 * Purpose:  designate default value for empty variables
 * Credit:   Taken from the original Smarty
 *           http://smarty.php.net
 */
function tpl_modifier_default($string, $default = '')
{
	if (!isset($string) || $string === ''){
		return $default;
	}else{
		return $string;
	}
}