php curl_setopt($curl, CURLOPT_HTTPHEADER, code example

Example 1: php curl with headers

$ch = curl_init();
curl_setopt($ch, CURLOPT_URL,"http://www.example.com/process.php");
curl_setopt($ch, CURLOPT_POST, 1);
curl_setopt($ch, CURLOPT_POSTFIELDS,$vars);  //Post Fields
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);

$headers = [
    'X-Apple-Tz: 0',
    'X-Apple-Store-Front: 143444,12',
    'Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8',
    'Accept-Encoding: gzip, deflate',
    'Accept-Language: en-US,en;q=0.5',
    'Cache-Control: no-cache',
    'Content-Type: application/x-www-form-urlencoded; charset=utf-8',
    'Host: www.example.com',
    'Referer: http://www.example.com/index.php', //Your referrer address
    'User-Agent: Mozilla/5.0 (X11; Ubuntu; Linux i686; rv:28.0) Gecko/20100101 Firefox/28.0',
    'X-MicrosoftAjax: Delta=true'
];

curl_setopt($ch, CURLOPT_HTTPHEADER, $headers);

$server_output = curl_exec ($ch);

curl_close ($ch);

print  $server_output ;

Example 2: curlopt_postfields php example

<?php

$postRequest = array(
    'firstFieldData' => 'foo',
    'secondFieldData' => 'bar'
);

$cURLConnection = curl_init('http://hostname.tld/api');
curl_setopt($cURLConnection, CURLOPT_POSTFIELDS, $postRequest);
curl_setopt($cURLConnection, CURLOPT_RETURNTRANSFER, true);

$apiResponse = curl_exec($cURLConnection);
curl_close($cURLConnection);

// $apiResponse - available data from the API request
$jsonArrayResponse - json_decode($apiResponse);