Fix php-curl-class#250: Allow specifying a buffer when using Curl::verbose()

Author: zachborboa

src/Curl/Curl.php

@@ -795,14 +795,15 @@ public function unsetHeader($key)
      * @access public
      * @param  $on
      */
-    public function verbose($on = true)
+    public function verbose($on = true, $output=STDERR)
     {
         // Turn off CURLINFO_HEADER_OUT for verbose to work. This has the side
         // effect of causing Curl::requestHeaders to be empty.
         if ($on) {
             $this->setOpt(CURLINFO_HEADER_OUT, false);
         }
         $this->setOpt(CURLOPT_VERBOSE, $on);
+        $this->setOpt(CURLOPT_STDERR, $output);
     }
 
     /**

tests/PHPCurlClass/PHPCurlClassTest.php

@@ -2526,4 +2526,19 @@ public function testMemoryLeak()
             }
         }
     }
+
+    public function testAlternativeStandardErrorOutput()
+    {
+        $buffer = fopen('php://memory', 'w+');
+
+        $curl = new Curl();
+        $curl->verbose(true, $buffer);
+        $curl->post(Test::TEST_URL);
+
+        rewind($buffer);
+        $stderr = stream_get_contents($buffer);
+        fclose($buffer);
+
+        $this->assertNotEmpty($stderr);
+    }
 }