/**
 * 输出版权信息
 *
 * @param 
 * @arrange (512.笔记) jb51.cc
 **/
function autoUpdatingCopyright($startYear){
 
    // given start year (e.g. 2004)
    $startYear = intval($startYear);
 
    // current year (e.g. 2007)
    $year = intval(date('Y'));
 
    // is the current year greater than the
    // given start year?
    if ($year > $startYear)
        return $startYear .'-'. $year;
    else
        return $startYear;
}

//用法：
print '© ' . autoUpdatingCopyright(2001) . ' jb51.cc';
 
/*
Output:
 
(c) 2001-2012  jb51.cc
*/


/***   代码来自编程之家 jb51.cc（jb51.cc）   ***/