From c632977ca1218e8799c2bce23e0cdf090d99ecca Mon Sep 17 00:00:00 2001
From: whale <jesse2061@outlook.com>
Date: Sun, 26 Apr 2020 16:04:02 +0800
Subject: [PATCH] update value comment

---
 src/ZM/DB/SelectBody.php | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/src/ZM/DB/SelectBody.php b/src/ZM/DB/SelectBody.php
index d4daab19..b3159686 100644
--- a/src/ZM/DB/SelectBody.php
+++ b/src/ZM/DB/SelectBody.php
@@ -44,10 +44,12 @@ class SelectBody
         return $this->fetchAll()[0] ?? null;
     }
 
-    public function value() {
+    public function value($key = null) {
         $r = $this->fetchFirst();
         if ($r === null) return null;
-        return current($r);
+        if ($key === null)
+            return current($r);
+        else return $r[$key] ?? null;
     }
 
     public function execute() {
@@ -85,4 +87,4 @@ class SelectBody
         }
         return [$msg, $array ?? []];
     }
-}
\ No newline at end of file
+}