curl debug fix

Author: michalsn

system/HTTP/CURLRequest.php

@@ -672,10 +672,10 @@ protected function setCURLOptions(array $curl_options = [], array $config = [])
 		}
 
 		// Debug
-		if (isset($config['debug']))
+		if ($config['debug'])
 		{
-			$curl_options[CURLOPT_VERBOSE] = $config['debug'] === true ? 1 : 0;
-			$curl_options[CURLOPT_STDERR]  = $config['debug'] === true ? fopen('php://output', 'w+') : $config['debug'];
+			$curl_options[CURLOPT_VERBOSE] = 1;
+			$curl_options[CURLOPT_STDERR]  = is_string($config['debug']) ? fopen($config['debug'], 'a+') : fopen('php://output', 'w+');
 		}
 
 		// Decode Content

tests/system/HTTP/CURLRequestTest.php

@@ -471,6 +471,7 @@ public function testDebugOptionFalse()
 
 		$options = $this->request->curl_options;
 
+		$this->assertArrayNotHasKey(CURLOPT_VERBOSE, $options);
 		$this->assertArrayNotHasKey(CURLOPT_STDERR, $options);
 	}