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<?php /* * 计算星座的函数 string get_zodiac_sign(string month, string day) * 输入：月份，日期 * 输出：星座名称或者错误信息 */ function get_zodiac_sign($month, $day) { // 检查参数有效性 if ($month < 1 || $month > 12 || $day < 1 || $day > 31) return (false); // 星座名称以及开始日期 $signs = array( array( "20" => "宝瓶座"), array( "19" => "双鱼座"), array( "21" => "白羊座"), array( "20" => "金牛座"), array( "21" => "双子座"), array( "22" => "巨蟹座"), array( "23" => "狮子座"), array( "23" => "处女座"), array( "23" => "天秤座"), array( "24" => "天蝎座"), array( "22" => "射手座"), array( "22" => "摩羯座") ); list($sign_start, $sign_name) = each($signs[(int)$month-1]); if ($day < $sign_start) list($sign_start, $sign_name) = each($signs[($month -2 < 0) ? $month = 11: $month -= 2]); return $sign_name; }//函数结束 ?>