public function synchronize(__IServerEndPoint &$server_end_point)
{
//if the server end-point is a valueholder, will synchronize
//only if server and client values are different:
if ($server_end_point instanceof __IValueHolder) {
$value = $server_end_point->getValue();
$current_value = $this->getValue();
//if current value is different to new value
//note that we are avoiding the case when comparing a null value with an empty string it
//depends on how client submit values to server for empty fields
if ($current_value !== $value && !(empty($current_value) && empty($value))) {
$this->_value = $value;
$this->setAsUnsynchronized();
}
} else {
//if the server end-point is not a valueholder
$this->setAsUnsynchronized();
}
}
public function synchronize(__IServerEndPoint &$server_end_point)
{
if ($server_end_point instanceof __IValueHolder) {
$this->setErrorMessage($server_end_point->getValue());
}
}