From e0fd73df2a7e4be0e1bf805a0c59d31183c07b70 Mon Sep 17 00:00:00 2001
From: Thomas Calvet <calvet.thomas@gmail.com>
Date: Wed, 7 Apr 2021 17:14:41 +0200
Subject: [PATCH 1/2] [CS] Replace easy occurences of ?: with ??

---
 Client.php | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/Client.php b/Client.php
index e5bf8b7..7ad8f42 100644
--- a/Client.php
+++ b/Client.php
@@ -55,8 +55,8 @@ abstract class Client
     public function __construct(array $server = [], History $history = null, CookieJar $cookieJar = null)
     {
         $this->setServerParameters($server);
-        $this->history = $history ?: new History();
-        $this->cookieJar = $cookieJar ?: new CookieJar();
+        $this->history = $history ?? new History();
+        $this->cookieJar = $cookieJar ?? new CookieJar();
     }
 
     /**

From fbc6ebf6ba0d41d2043be20d950e700236f87fc5 Mon Sep 17 00:00:00 2001
From: Thomas Calvet <calvet.thomas@gmail.com>
Date: Wed, 7 Apr 2021 18:12:22 +0200
Subject: [PATCH 2/2] [PHPDoc] Fix some union type cases

---
 Response.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Response.php b/Response.php
index 46838ed..6ec30e5 100644
--- a/Response.php
+++ b/Response.php
@@ -123,7 +123,7 @@ public function getHeaders()
      * @param string $header The header name
      * @param bool   $first  Whether to return the first value or all header values
      *
-     * @return string|array The first header value if $first is true, an array of values otherwise
+     * @return string|array|null The first header value if $first is true, an array of values otherwise
      */
     public function getHeader($header, $first = true)
     {