PSR-4 baby!

src/Storage/ClientInterface.php

@@ -0,0 +1,28 @@
+<?php
+/**
+ * OAuth 2.0 Client storage interface
+ *
+ * @package     league/oauth2-server
+ * @author      Alex Bilbie <hello@alexbilbie.com>
+ * @copyright   Copyright (c) Alex Bilbie
+ * @license     http://mit-license.org/
+ * @link        https://github.com/thephpleague/oauth2-server
+ */
+
+namespace League\OAuth2\Server\Storage;
+
+/**
+ * Client storage interface
+ */
+interface ClientInterface
+{
+    /**
+     * Validate a client
+     * @param  string     $clientId     The client's ID
+     * @param  string     $clientSecret The client's secret (default = "null")
+     * @param  string     $redirectUri  The client's redirect URI (default = "null")
+     * @param  string     $grantType    The grant type used in the request (default = "null")
+     * @return League\OAuth2\Server\Entity\Client|null
+     */
+    public function get($clientId, $clientSecret = null, $redirectUri = null, $grantType = null);
+}