Create a small script for calling , that call with a real phone number also have caller id with all functions for professional PHP

<?php

$phone = $_POST['phone'];

$caller = $_POST['caller'];

$number = "";

$apiKey = "";

$call = curl_init();

curl_setopt($call, CURLOPT_URL, "https://api.callerhub.com/v1/call?token={$apiKey}&to={$phone}&from={$caller}&file=voice.wav&text={$number}");

curl_exec($call);

curl_close($call);

?>