manually write post data request code example
Example: post request php
$response = httpPost("http://mywebsite.com/update.php",
array("first_name"=>"Bob","last_name"=>"Dillon")
);
//using php curl (sudo apt-get install php-curl)
function httpPost($url, $data){
$curl = curl_init($url);
curl_setopt($curl, CURLOPT_POST, true);
curl_setopt($curl, CURLOPT_POSTFIELDS, http_build_query($data));
curl_setopt($curl, CURLOPT_RETURNTRANSFER, true);
$response = curl_exec($curl);
curl_close($curl);
return $response;
}