diff --git a/README.md b/README.md
index dd89e3c..85b8399 100644
--- a/README.md
+++ b/README.md
@@ -222,6 +222,7 @@ Curl::setConnectTimeout($seconds)
 Curl::setCookie($key, $value)
 Curl::setCookieFile($cookie_file)
 Curl::setCookieJar($cookie_jar)
+Curl::setCookieString($string)
 Curl::setDefaultJsonDecoder()
 Curl::setDefaultTimeout()
 Curl::setDefaultUserAgent()
diff --git a/src/Curl/Curl.php b/src/Curl/Curl.php
index b1d1087..aae4472 100644
--- a/src/Curl/Curl.php
+++ b/src/Curl/Curl.php
@@ -713,6 +713,17 @@ class Curl
         $this->setOpt(CURLOPT_CONNECTTIMEOUT, $seconds);
     }
 
+    /**
+     * Set Cookie String
+     *
+     * @access public
+     * @param  $string
+     */
+    public function setCookieString($string)
+    {
+        return $this->setOpt(CURLOPT_COOKIE, $string);
+    }
+
     /**
      * Set Cookie File
      *
diff --git a/tests/PHPCurlClass/PHPCurlClassTest.php b/tests/PHPCurlClass/PHPCurlClassTest.php
index 0e38938..3844d45 100644
--- a/tests/PHPCurlClass/PHPCurlClassTest.php
+++ b/tests/PHPCurlClass/PHPCurlClassTest.php
@@ -706,7 +706,7 @@ class CurlTest extends PHPUnit_Framework_TestCase
         }
     }
 
-    public function testCookies()
+    public function testSetCookie()
     {
         $test = new Test();
         $test->curl->setCookie('mycookie', 'yum');
@@ -715,7 +715,7 @@ class CurlTest extends PHPUnit_Framework_TestCase
         )));
     }
 
-    public function testCookieEncodingSpace()
+    public function testSetCookieEncodingSpace()
     {
         $curl = new Curl();
         $curl->setCookie('cookie', 'Om nom nom nom');
@@ -727,7 +727,7 @@ class CurlTest extends PHPUnit_Framework_TestCase
         $this->assertEquals('cookie=Om%20nom%20nom%20nom', $options[CURLOPT_COOKIE]);
     }
 
-    public function testMultipleCookies()
+    public function testSetMultipleCookies()
     {
         $curl = new Curl();
         $curl->setCookie('cookie', 'Om nom nom nom');
@@ -740,7 +740,7 @@ class CurlTest extends PHPUnit_Framework_TestCase
         $this->assertEquals('cookie=Om%20nom%20nom%20nom; foo=bar', $options[CURLOPT_COOKIE]);
     }
 
-    public function testCookieEncodingColon()
+    public function testSetCookieEncodingColon()
     {
         $curl = new Curl();
         $curl->setCookie('JSESSIONID', '0000wd-PcsB3bZ-KzYGAqm_rKlm:17925chrl');
@@ -752,6 +752,21 @@ class CurlTest extends PHPUnit_Framework_TestCase
         $this->assertEquals('JSESSIONID=0000wd-PcsB3bZ-KzYGAqm_rKlm:17925chrl', $options[CURLOPT_COOKIE]);
     }
 
+    public function testSetCookieString()
+    {
+        $cookie_string = 'fruit=apple; color=red';
+
+        $test = new Test();
+        $test->curl->setCookieString($cookie_string);
+
+        $reflectionClass = new ReflectionClass('\Curl\Curl');
+        $reflectionProperty = $reflectionClass->getProperty('options');
+        $reflectionProperty->setAccessible(true);
+        $options = $reflectionProperty->getValue($test->curl);
+        $this->assertEquals($cookie_string, $options[CURLOPT_COOKIE]);
+        $this->assertEquals('fruit=apple&color=red', $test->server('cookie', 'GET'));
+    }
+
     public function testCookieFile()
     {
         $cookie_file = dirname(__FILE__) . '/cookies.txt';
diff --git a/tests/PHPCurlClass/server.php b/tests/PHPCurlClass/server.php
index da7ea02..124f165 100644
--- a/tests/PHPCurlClass/server.php
+++ b/tests/PHPCurlClass/server.php
@@ -299,6 +299,12 @@ $data_mapping = array(
 
 if (!empty($test)) {
     $data = $data_mapping[$test];
-    $value = isset($data[$key]) ? $data[$key] : '';
+    if (empty($key)) {
+        // Return all values when a key is not specified.
+        $value = http_build_query($data);
+    } else {
+        // Return individual value when a key is specified.
+        $value = isset($data[$key]) ? $data[$key] : '';
+    }
     echo $value;
 }