/** has token been used before?
*
* @var &array $source Source array
* @var string $key key to find token in source array, e.g. oncelerToken
* @return bool|null true (not seen before), false (seen before), null (no token)
*/
public static function check(&$source, $key)
{
if (!$key) {
throw new Exception("\\ArtfulRobot\\Onceler::check - no key given");
}
if (!is_array($source)) {
throw new Exception("\\ArtfulRobot\\Onceler::check - source is not an array");
}
$token = \ArtfulRobot\Utils::arrayValue($key, $source);
// no token - return null;
if (!$token) {
\ArtfulRobot\Debug::log("!! Warning: \\ArtfulRobot\\Onceler::check - no token at key {$key} returning null");
return null;
}
$spent_tokens =& \ArtfulRobot\Utils::arrayReference('\\ArtfulRobot\\Onceler::spent_tokens', $_SESSION, array());
if (array_key_exists($token, $spent_tokens)) {
\ArtfulRobot\Debug::log("!! \\ArtfulRobot\\Onceler: recognised spent token, resetting source token.");
$source[$key] = false;
return false;
}
//error_log("!! setting new token $token");
// new token
$spent_tokens[$token] = true;
return true;
}
public function debug($msg = null)
{
if ($msg === null) {
$msg = "TOP " . get_class($this) . " myData:";
}
/**
*
*/
\ArtfulRobot\Debug::log($msg, $this->myData);
}
