From ce07511172055a495e3e4cc7a16bc55fb5828608 Mon Sep 17 00:00:00 2001
From: Kang Dels <crushfire2004@gmail.com>
Date: Tue, 25 Jun 2019 19:07:25 +0700
Subject: [PATCH] Refactor to use nullable typehint

---
 app/Services/Option.php | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/app/Services/Option.php b/app/Services/Option.php
index 1fe09ca..844d212 100644
--- a/app/Services/Option.php
+++ b/app/Services/Option.php
@@ -45,13 +45,13 @@ class Option
      * Set new value for given option key.
      *
      * @param string $key   The option key.
-     * @param mixed $value The option value to be saved.
+     * @param string $value The option value to be saved.
      *
      * @return string The option value.
      */
-    public function set($key, $value)
+    public function set($key, ?string $value)
     {
-        if (is_null($value) || !is_string($value)) {
+        if (is_null($value)) {
             $value = '';
         }