PMC-1391

workflow/engine/src/ProcessMaker/Services/OAuth2/OAuth2Server.php

@@ -0,0 +1,13 @@
+<?php
+
+namespace ProcessMaker\Services\OAuth2;
+
+use OAuth2\Server;
+
+/**
+ * Extended class where the properties are correctly initialized, compatibility with PHP 7.3.x
+ */
+class OAuth2Server extends Server
+{
+    protected $responseTypes = [];
+}

workflow/engine/src/ProcessMaker/Services/OAuth2/Server.php

@@ -53,7 +53,7 @@ class Server implements iAuthenticate
         }
 
         // Pass a storage object or array of storage objects to the OAuth2 server class
-        $this->server = new \OAuth2\Server($this->storage, array('allow_implicit' => true, 'access_lifetime' => 86400));
+        $this->server = new OAuth2Server($this->storage, array('allow_implicit' => true, 'access_lifetime' => 86400));
 
         $this->server->setConfig('enforce_state', false);