Mix and match POST request w/ setting querystring, cookie, and response header in PHP

curl_post_req_w_querystring_cookie_header.php

<?php
header("Cache-Control: no-cache, must-revalidate");
header("Pragma: no-cache");
header("Expires: Sat, 26 Jul 1997 05:00:00 GMT"); // Date in the past
?>

<?php
//
// A very simple PHP example that sends a HTTP POST to a remote site
//
$post_data = [
    'username' => 'user1',
    'password' => 'passuser1&pass',
    'gender'   => 1,
];
$get_data = [
    'getdata1' => 'test&test',
    'getdata2' => 2,
];
$header_data = [
    'X-Apple-Tz: 0',
    'X-Apple-Store-Front: 143444,12',
];
$cookie_data = 'user=ellen; activity=swimming&singing';
$url = "https://www.test.com/test.php"; // endpoint
$url = $url."?".http_build_query($get_data);
$ch = curl_init($url);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch, CURLOPT_POST, true);
curl_setopt($ch, CURLOPT_POSTFIELDS, $post_data);
curl_setopt($ch, CURLOPT_HTTPHEADER, $header_data);
curl_setopt($ch, CURLOPT_COOKIE, $cookie_data);
curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, 5);
curl_setopt($ch, CURLOPT_TIMEOUT, 30);
// execute!
$response = curl_exec($ch);
// close the connection, release resources used
curl_close($ch);
// do anything you want with your response
print_r($response);