在做項目的時候需要用到根據月份和日期，獲取是什麼星座，吾愛編程在網上查了資料，最後寫了一個方法，現在分享給大家：
代碼如下：
function yige_constellation($month, $day) {
// 檢查參數有效性
if ($month < 1 || $month > 12 || $day < 1 || $day > 31) return false;
// 星座名稱以及開始日期
$constellations = array(
array( "20" => "寶瓶座"),
array( "19" => "雙魚座"),
array( "21" => "白羊座"),
array( "20" => "金牛座"),
array( "21" => "雙子座"),
array( "22" => "巨蟹座"),
array( "23" => "獅子座"),
array( "23" => "處女座"),
array( "23" => "天秤座"),
array( "24" => "天蠍座"),
array( "22" => "射手座"),
array( "22" => "摩羯座")
);
list($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;
}
echo yige_constellation(12, 25);
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