Mass update

recaptchalib.php

@@ -41,18 +41,18 @@ class ReCaptchaResponse
 
 class ReCaptcha
 {
-    private static $_signupUrl = "https://www.google.com/recaptcha/admin";
-    private static $_siteVerifyUrl =
+    private static string $_signupUrl = "https://www.google.com/recaptcha/admin";
+    private static string $_siteVerifyUrl =
         "https://www.google.com/recaptcha/api/siteverify?";
-    private $_secret;
-    private static $_version = "php_1.0";
+    private string $_secret;
+    private static string $_version = "php_1.0";
 
     /**
      * Constructor.
      *
      * @param string $secret shared secret between site and ReCAPTCHA server.
      */
-    function __construct($secret)
+    function __construct(string $secret)
     {
         if ($secret == null || $secret == "") {
             die(
@@ -70,15 +70,14 @@ class ReCaptcha
      *
      * @return string - encoded request.
      */
-    private function _encodeQS($data)
+    private function _encodeQS(array $data): string
     {
         $req = "";
         foreach ($data as $key => $value) {
             $req .= $key . '=' . urlencode(stripslashes($value)) . '&';
         }
         // Cut the last '&'
-        $req = substr($req, 0, strlen($req) - 1);
-        return $req;
+        return substr($req, 0, strlen($req) - 1);
     }
 
     /**
@@ -89,7 +88,7 @@ class ReCaptcha
      *
      * @return array response
      */
-    private function _submitHTTPGet($path, $data)
+    private function _submitHTTPGet(string $path, array $data): array
     {
         $req = $this->_encodeQS($data);
         return file_get_contents($path . $req);
@@ -104,7 +103,7 @@ class ReCaptcha
      *
      * @return ReCaptchaResponse
      */
-    public function verifyResponse($remoteIp, $response)
+    public function verifyResponse(string $remoteIp, string $response): ReCaptchaResponse
     {
         // Discard empty solution submissions
         if ($response == null || strlen($response) == 0) {