Description:
------------
$ch = curl_init();
$url = 'api-3t.sandbox.paypal.com'.'?'. http_build_query($params);
			
		curl_setopt_array($ch, array(
		CURLOPT_URL => $url,
		CURLOPT_RETURNTRANSFER => 1
		)
		);
			
		if(!$response = curl_exec($ch))
		{
			trigger_error(curl_error($ch));
		}
			
		curl_close($ch);
		parse_str($response, $arrResponse);
		print_r($arrResponse); exit;

Test script:
---------------
working on paypal integartion using php....during making a call to paypal sandbox account API i am gettinng Recv Failure error....i am confusing this error is related to coding or ssl and firewall

Please help me out for this problem.

Expected result:
----------------
after authenticating to paypal it will return ACk = Success

Actual result:
--------------
after authenticating to paypal it will return ACk = Success