--- fenglin/lib/astro.inc.php	2025/03/01 09:02:28	1.3
+++ fenglin/lib/astro.inc.php	2025/04/29 11:55:32	1.6
@@ -1,15 +1,18 @@
-<?
-
-function Date2Astro($month,$day)
+<?php
+function Date2Astro(int $month, int $day) : string
 {
-	if ($month < 1 || $month >12 || $day < 1 || $day > 31)
-		return $astro[0];
 	$dates = array(21, 20, 21, 21, 22, 22, 23, 24, 24, 24, 23, 22);
 	$astro = array("摩羯", "水瓶", "双鱼", "白羊", "金牛", "双子", "巨蟹", "狮子", "处女", "天秤", "天蝎", "射手", "摩羯");
-	if ($day < $dates[$month-1])
-		return $astro[$month-1];
-	else
-		return $astro[$month];
-}
 
-?>
+	if ($month < 1 || $month >12 || $day < 1 || $day > 31)
+	{
+		return $astro[0];
+	}
+
+	if ($day < $dates[$month - 1])
+	{
+		return $astro[$month - 1];
+	}
+
+	return $astro[$month];
+}