fix: default redirect code for HEAD/OPTION request

Author: kenjis

system/HTTP/ResponseTrait.php

@@ -516,7 +516,7 @@ public function redirect(string $uri, string $method = 'auto', ?int $code = null
                 isset($_SERVER['SERVER_PROTOCOL'], $_SERVER['REQUEST_METHOD'])
                 && $this->getProtocolVersion() >= 1.1
             ) {
-                $code = ($_SERVER['REQUEST_METHOD'] !== 'GET')
+                $code = (in_array($_SERVER['REQUEST_METHOD'], ['POST', 'PUT', 'DELETE'], true))
                     ? 303 // reference: https://en.wikipedia.org/wiki/Post/Redirect/Get
                     : 307;
             }

tests/system/HTTP/ResponseTest.php

@@ -300,10 +300,10 @@ public function provideForRedirect()
             ['Apache/2.4.17', 'HTTP/1.1', 'POST', null, 303],
             ['Apache/2.4.17', 'HTTP/1.1', 'POST', 307, 307],
             ['Apache/2.4.17', 'HTTP/1.1', 'POST', 302, 302],
-            ['Apache/2.4.17', 'HTTP/1.1', 'HEAD', null, 303],
+            ['Apache/2.4.17', 'HTTP/1.1', 'HEAD', null, 307],
             ['Apache/2.4.17', 'HTTP/1.1', 'HEAD', 307, 307],
             ['Apache/2.4.17', 'HTTP/1.1', 'HEAD', 302, 302],
-            ['Apache/2.4.17', 'HTTP/1.1', 'OPTION', null, 303],
+            ['Apache/2.4.17', 'HTTP/1.1', 'OPTION', null, 307],
             ['Apache/2.4.17', 'HTTP/1.1', 'OPTION', 307, 307],
             ['Apache/2.4.17', 'HTTP/1.1', 'OPTION', 302, 302],
             ['Apache/2.4.17', 'HTTP/1.1', 'PUT', null, 303],