<?php
ini_set('display_errors',1);
ini_set('display_startup_errors',1);
error_reporting(-1);

$data = array("username" => "derped", "authid" => "987654321", "ipaddress" => "1.2.3.4", "apikey" => "1234567829");
$data_string = json_encode($data);
$url = 'https://www.somedomain.com/test/api.php';
$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, $url);
curl_setopt($ch, CURLOPT_HTTPHEADER, array('Content-Type: Content-Type: text/html'));
curl_setopt($ch, CURLOPT_POST, 1);
curl_setopt($ch, CURLOPT_POSTFIELDS,$data_string);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
$result = curl_exec($ch);
if(curl_exec($ch) === false)
{
    echo curl_error($ch);
}
else
{
    echo 'ok';
}

curl_close($ch);

$received = json_decode($result);
$check = $received->{'good'};
echo $result;
echo $check;
?>

$arrayCiphers = array(
    'DHE-RSA-AES256-SHA',
    'DHE-DSS-AES256-SHA',
    'AES256-SHA:KRB5-DES-CBC3-MD5',
    'KRB5-DES-CBC3-SHA',
    'EDH-RSA-DES-CBC3-SHA',
    'EDH-DSS-DES-CBC3-SHA',
    'DES-CBC3-SHA:DES-CBC3-MD5',
    'DHE-RSA-AES128-SHA',
    'DHE-DSS-AES128-SHA',
    'AES128-SHA:RC2-CBC-MD5',
    'KRB5-RC4-MD5:KRB5-RC4-SHA',
    'RC4-SHA:RC4-MD5:RC4-MD5',
    'KRB5-DES-CBC-MD5',
    'KRB5-DES-CBC-SHA',
    'EDH-RSA-DES-CBC-SHA',
    'EDH-DSS-DES-CBC-SHA:DES-CBC-SHA',
    'DES-CBC-MD5:EXP-KRB5-RC2-CBC-MD5',
    'EXP-KRB5-DES-CBC-MD5',
    'EXP-KRB5-RC2-CBC-SHA',
    'EXP-KRB5-DES-CBC-SHA',
    'EXP-EDH-RSA-DES-CBC-SHA',
    'EXP-EDH-DSS-DES-CBC-SHA',
    'EXP-DES-CBC-SHA',
    'EXP-RC2-CBC-MD5',
    'EXP-RC2-CBC-MD5',
    'EXP-KRB5-RC4-MD5',
    'EXP-KRB5-RC4-SHA',
    'EXP-RC4-MD5:EXP-RC4-MD5');
curl_setopt($ch, CURLOPT_SSL_CIPHER_LIST, implode(':', $arrayCiphers));

$data = new stdClass();
$data->apikey = "1234567890";

$json_data = json_encode($data);

$post = file_get_contents('http://URL/api.php',null,stream_context_create(array(
    'http' => array(
        'method'           => 'POST',
        'content'          => $json_data,
    )
)));

if ($post) {
    echo $post;
} else {
    echo "POST failed";
}

$receive = fopen('php://input', 'r');
$received = stream_get_contents($receive);
$data = json_decode($received);
$apikey = $data->{'apikey'};
If($apikey == 1234567890)
{
    $response = array("good" => true);
    $goresponse = json_encode($response);
    print_r($goresponse);
}
else
{
    $response = array("good" => false);
    $goresponse = json_encode($response);
    print_r($goresponse);
}