/ActiveControls/Samples/TActiveCustomValidator/Home.php
<?php
class Home extends TPage
{
public function validator1_onvalidate($sender, $param)
{
$param->IsValid = $this->textbox1->Text == 'Prado';
}
public function button1_oncallback($sender, $param)
{
if($this->IsValid)
$this->label1->Text='Callback success';
else
$this->label1->Text='Validation failed';
}
}