Merge pull request zendframework/zendframework#3403 branch 'hotfix/zf8825'

Author: Maks3w

src/PhpEnvironment/Request.php

@@ -206,10 +206,12 @@ public function setServer(ParametersInterface $server)
         // This seems to be the only way to get the Authorization header on Apache
         if (function_exists('apache_request_headers')) {
             $apacheRequestHeaders = apache_request_headers();
-            if (!isset($this->serverParams['HTTP_AUTHORIZATION'])
-                && isset($apacheRequestHeaders['Authorization'])
-            ) {
-                $this->serverParams->set('HTTP_AUTHORIZATION', $apacheRequestHeaders['Authorization']);
+            if (!isset($this->serverParams['HTTP_AUTHORIZATION'])) {
+                if (isset($apacheRequestHeaders['Authorization'])) {
+                    $this->serverParams->set('HTTP_AUTHORIZATION', $apacheRequestHeaders['Authorization']);
+                } elseif (isset($apacheRequestHeaders['authorization'])) {
+                    $this->serverParams->set('HTTP_AUTHORIZATION', $apacheRequestHeaders['authorization']);
+                }
             }
         }