Use the curl_reset function to allow resource reusing

Author: shulard

src/CurlHttpClient.php

@@ -33,6 +33,12 @@ class CurlHttpClient implements HttpClient
     use MessageFactoryAwareTemplate;
     use StreamFactoryAwareTemplate;
 
+    /**
+     * cURL handle opened resource
+     * @var resource
+     */
+    private $handle;
+
     /**
      * cURL handle configuration TODO change description
      *
@@ -73,6 +79,16 @@ public function __construct(
         );
     }
 
+    /**
+     * Release resources if still active
+     */
+    public function __destruct()
+    {
+        if (is_resource($this->handle)) {
+            curl_close($this->handle);
+        }
+    }
+
     /**
      * Return available options and there default values
      *
@@ -166,19 +182,27 @@ public function sendRequest(RequestInterface $request)
      */
     protected function request($options, &$raw, &$info)
     {
-        $ch = curl_init();
+        if (is_resource($this->handle)) {
+            curl_reset($this->handle);
+        } else {
+            $this->handle = curl_init();
+        }
+
         try {
-            curl_setopt_array($ch, $options);
-            $raw = curl_exec($ch);
+            curl_setopt_array($this->handle, $options);
+            $raw = curl_exec($this->handle);
 
-            if (curl_errno($ch) > 0) {
+            if (curl_errno($this->handle) > 0) {
                 throw new RuntimeException(
-                    sprintf('Curl error: (%d) %s', curl_errno($ch), curl_error($ch))
+                    sprintf(
+                        'Curl error: (%d) %s',
+                        curl_errno($this->handle),
+                        curl_error($this->handle)
+                    )
                 );
             }
-            $info = curl_getinfo($ch);
+            $info = curl_getinfo($this->handle);
         } finally {
-            curl_close($ch);
         }
     }