<?php

$data = [
  'username' => "admin",
  'password' => "xxxxxxxx",
  'sender' => "SMSALERT",
  'receiver' => "22589123989",
  'content' => "Hello World!"
];


$curl = curl_init();

curl_setopt_array($curl, array(
  CURLOPT_URL => "https://gateway3.arolitec.com/interface/sendSMS_HTTPS_POST.php",
  CURLOPT_SSL_VERIFYPEER => 0,
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "POST",
  CURLOPT_POSTFIELDS => $data,
  CURLOPT_HTTPHEADER => array(
    "cache-control: no-cache",
  ),
));

$response = curl_exec($curl);
$err = curl_error($curl);

curl_close($curl);

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

?>