GeckoForm URL encoded parameters example

gistfile1.php

<?

// Build an array of the information you need to include in the request
$intended_parameters = [
    'per_page'  => '15',
    'page'      => '1',
    'form_id'   => '4007',
    'keyword'   => 'search terms',
    'include'   => 'labels:all,assigned,user,contact',
];

// Retrieve your token information from a secure storage location
$token_information = json_decode(Session::get('token_information'));
/*
This will have a data structure similar to this
$token_information = [
    'key'       => 'KfdS1T0N2buSUSt0bRd2oGMhmbO6gVhp05oByr32G3VUWEsMcmV7nthIM8cINk6M',
    'secret'    => 'R1rkbq3oavo13PiX6A0sesqeUD6ya6I7OGJmZqXSGcdnMU5OZ7n1De8opTJDmR06',
    // Using a timestamp is an easy way to ensure the nonce always increments
    'nonce'     => 1423823278321
];
*/

// Increment the nonce to ensure it is higher than the previously used nonce
$token_information['nonce'] += 2;

// Add the nonce and key to the parameters
// Do NOT add the secret to the array which will be sent to the API
$intended_parameters['key']     = $intended_parameters['key'];
$intended_parameters['nonce']   = $intended_parameters['nonce'];

// Select only the values from of this
$values = array_values($intended_parameters);

// At this point we can add the secret in, this array will not be sent
$values[] = $token_information['secret'];

// Sort the values by string
sort($values, SORT_STRING);

// And join them by -
$sign_str = implode('-', $values);

// Create an sha256 hash of this string which will be our request signature
$signature = hash('sha256', $sign_str);

// And add this signature into the intended parameters array
$intended_parameters['signature'] = $signature;