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#pma/libraries/plugins/auth/recaptcha/ReCaptcha/RequestParameters.php

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+<?php
+/**
+ * This is a PHP library that handles calling reCAPTCHA.
+ *
+ * @copyright Copyright (c) 2015, Google Inc.
+ * @link      http://www.google.com/recaptcha
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+namespace ReCaptcha;
+
+/**
+ * Stores and formats the parameters for the request to the reCAPTCHA service.
+ */
+class RequestParameters
+{
+    /**
+     * Site secret.
+     * @var string
+     */
+    private $secret;
+
+    /**
+     * Form response.
+     * @var string
+     */
+    private $response;
+
+    /**
+     * Remote user's IP address.
+     * @var string
+     */
+    private $remoteIp;
+
+    /**
+     * Client version.
+     * @var string
+     */
+    private $version;
+
+    /**
+     * Initialise parameters.
+     *
+     * @param string $secret Site secret.
+     * @param string $response Value from g-captcha-response form field.
+     * @param string $remoteIp User's IP address.
+     * @param string $version Version of this client library.
+     */
+    public function __construct($secret, $response, $remoteIp = null, $version = null)
+    {
+        $this->secret = $secret;
+        $this->response = $response;
+        $this->remoteIp = $remoteIp;
+        $this->version = $version;
+    }
+
+    /**
+     * Array representation.
+     *
+     * @return array Array formatted parameters.
+     */
+    public function toArray()
+    {
+        $params = array('secret' => $this->secret, 'response' => $this->response);
+
+        if (!is_null($this->remoteIp)) {
+            $params['remoteip'] = $this->remoteIp;
+        }
+
+        if (!is_null($this->version)) {
+            $params['version'] = $this->version;
+        }
+
+        return $params;
+    }
+
+    /**
+     * Query string representation for HTTP request.
+     *
+     * @return string Query string formatted parameters.
+     */
+    public function toQueryString()
+    {
+        return http_build_query($this->toArray(), '', '&');
+    }
+}