[ Posted by Misha.vakulich@gmail.com ] Signature calculation example PHP

fiddle_084209.php

<?php
	$secret = 'onveilig gedeeld geheim';
	$timeout = time() + 60*60; //1h signature expire, timeout in seconds
$parameters = array(	//parameters example
		'timeout' => $timeout,
		'Sat' => '',
		'a'	=> '1 vet',
		'b' => '2 gaaf'
	);
	ksort($parameters);
	$signature_str = '';
	
	foreach ($parameters as $key => $val) {
		$signature_str .= urlencode($key) . '=' . urlencode($val) . '&';
	}

	$signature_str = substr($signature_str, 0, -1);
	$signature = 's1'.base64_encode(hash_hmac('sha1',$signature_str, $secret, true));
    echo $signature. "<br/>";
    echo "ResultUrl: \"https://domain/org/publication?" . $signature_str . "&Signature=" . urlencode($signature); 
//prepare GET request with same parameters + Signature=$signature

?>