PHP根据日期判断星座的函数


PHP #星座 #函数2013-03-22 10:00

星座很流行嘛,下面提供一个用PHP来判断指定一日期属于哪个星座的函数。

下面是函数的代码:

function yige_constellation($month, $day) {
	// 检查参数有效性 http://yige.org/php/
	if ($month < 1 || $month > 12 || $day < 1 || $day > 31) return false;
	
	// 星座名称以及开始日期
	$constellations = 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($constellation_start, $constellation_name) = each($constellations[(int)$month-1]);
	
	if ($day < $constellation_start) list($constellation_start, $constellation_name) = each($constellations[($month -2 < 0) ? $month = 11: $month -= 2]);
	
	return $constellation_name;
}
调用示例:

echo yige_constellation(4, 20);


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