public function getForms($identifier = null)
 {
     $wrapper = new WufooApiWrapper($this->apiKey, $this->subdomain, $this->domain);
     return $wrapper->getForms($identifier);
 }
<?php

require_once 'includes/WufooApiWrapper.php';
$apiKey = 'xxxx-xxxx-xxxx-xxxx';
//Enter here your Wufoo API
$subdomain = 'example';
//Enter here your subdomain(group name)
$identifier = 'xxxxxxxxxxxxx';
//Enter here your form id (Hash)
$wrapper = new WufooApiWrapper($apiKey, $subdomain);
$wufooSubmitFields = [new WufooSubmitField('Field3', $fname), new WufooSubmitField('Field4', $lname), new WufooSubmitField('Field7', $branch), new WufooSubmitField('Field150', $addressOne), new WufooSubmitField('Field151', $addressTwo), new WufooSubmitField('Field152', $city), new WufooSubmitField('Field153', $state), new WufooSubmitField('Field154', $zip), new WufooSubmitField('Field155', $country)];
/***************** from here manage you *************/
$wrapper->entryPost($identifier, $wufooSubmitFields);
//or
$wrapper->getForms($identifier);
//or
$wrapper->getFields($identifier);
//or
$wrapper->getEntries($identifier);
//or
$wrapper->getEntryCount($identifier);
//and so on, see README.md file