Request::POST() 

public function POST( $url = '', $postData = [], $headers = [], $requestType = 'POST' )
{
	// ['Accept-Encoding'=>'gzip'] --> ['Accept-Encoding: gzip']
	array_walk( $headers, function (&$v, $k) {
		if (!is_numeric($k)) $v = $k . ': ' . $v;
	});
	if (is_array($postData)) {
		$postData = http_build_query($postData);
	}
	$headers = array_values($headers);
	$ch = curl_init();
	curl_setopt($ch, CURLOPT_URL, $url);
	curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
	curl_setopt($ch, CURLOPT_POST, 1);
	curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, 0);
	curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, 0);
	curl_setopt($ch, CURLOPT_POSTFIELDS, $postData );
	// follow redirects
	curl_setopt($ch, CURLOPT_FOLLOWLOCATION, true);
	curl_setopt($ch, CURLOPT_CUSTOMREQUEST, $requestType);
	$headers[] = 'Content-Type: application/x-www-form-urlencoded';
	curl_setopt($ch, CURLOPT_HTTPHEADER, $headers);
	$result = curl_exec($ch);
	$httpcode = curl_getinfo($ch, CURLINFO_HTTP_CODE);
	$error = curl_error($ch);
	curl_close($ch);
	if ($httpcode >= 300) {
		return [
			'error'		=> true,
			'status' 	=> $httpcode,
			'content'	=> $error,
			'response'	=> @json_decode($result, true) ?: $result,
		];
	}
	return [
		'error'		=> false,
		'status' 	=> 200,
		'content' 	=> $result
	];
}