Fieldsets - Fieldsets are applied to your forms by using the project's openFieldset/closeFieldset functions. Below, you will find one way that you can use fieldsets in your development.
<?php
$form = new form("fieldsets_0");
$form->setAttributes(array(
"width" => 500,
"map" => array(2, 1, 3, 2, 3)
));
if(!empty($_GET["errormsg_0"]))
$form->errorMsg = filter_var(stripslashes($_GET["errormsg_0"]), FILTER_SANITIZE_SPECIAL_CHARS);
$form->addHidden("cmd", "submit_0");
$form->openFieldset("Name");
$form->addTextbox("First Name:", "FName");
$form->addTextbox("Last Name:", "LName");
$form->closeFieldset();
$form->openFieldset("Address");
$form->addTextbox("Address:", "Address");
$form->addTextbox("City:", "City");
$form->addState("State:", "State");
$form->addTextbox("Zip Code:", "Zip");
$form->closeFieldset();
$form->openFieldset("Email Addresses");
$form->addEmail("Email Address:", "Email");
$form->addEmail("Alternate Email Address:", "AlternateEmail");
$form->closeFieldset();
$form->openFieldset("Phone Numbers");
$form->addTextbox("Mobile/Cell:", "Mobile");
$form->addTextbox("Home:", "Home");
$form->addTextbox("Work:", "Work");
$form->addButton();
$form->closeFieldset();
$form->render();
?>