<?php
$curl = curl_init();
$url= "https://testapi.xxxx.author/signin";
$email = $_POST["email"];
$pwd = $_POST["password"];
curl_setopt_array($curl, array(
  CURLOPT_URL => $url,
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "POST",
  CURLOPT_POSTFIELDS => "email=".$email."&password=".$pwd,
  CURLOPT_HTTPHEADER => array(
    "cache-control: no-cache",
    "content-type: application/x-www-form-urlencoded",
    "postman-token: 1ebc8292-5e01-a6fa-9f91-26d3126892e0"
  ),
));

curl_setopt($curl, CURLOPT_HEADER, true);//get all respose include headers & body
curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, false); //pass https ssl verification

//$result = curl_getinfo($curl, CURLINFO_HTTP_CODE);
//$headers = apache_request_headers();
$response = curl_exec($curl);
$err = curl_error($curl);

curl_close($curl);

if ($err) {
  echo "cURL Error #:" . $err;
} else {
  echo $response;
}
?>