Merge pull request #138 from zachborboa/master

Fix "Undefined index" errors

composer.json

@@ -9,7 +9,7 @@
             "name": "Zach Borboa"
         }
     ],
-    "version": "3.0.1",
+    "version": "3.0.2",
     "require": {
         "php": ">=5.3",
         "ext-curl": "*"

src/Curl/Curl.php

@@ -4,7 +4,7 @@ namespace Curl;
 
 class Curl
 {
-    const VERSION = '3.0.1';
+    const VERSION = '3.0.2';
     const DEFAULT_TIMEOUT = 30;
 
     private $cookies = array();

tests/PHPCurlClass/server.php

@@ -188,6 +188,8 @@ $data_mapping = array(
     'server' => '_SERVER',
 );
 
-$data = $$data_mapping[$test];
-$value = isset($data[$key]) ? $data[$key] : '';
-echo $value;
+if (!empty($test)) {
+    $data = $$data_mapping[$test];
+    $value = isset($data[$key]) ? $data[$key] : '';
+    echo $value;
+}