<form> email: <input type="text" name="email" value="<?php if (isset($_REQUEST['email'])) { echo htmlspecialchars($_REQUEST['email']); } ?> "><br/> selectedFields: <input type="text" name="selectedFields" value="<?php if (isset($_REQUEST['selectedFields'])) { echo htmlspecialchars($_REQUEST['selectedFields']); } ?> "><br/> <input type="submit"> <input type="hidden" name="go"> </form> <?php include '../infusionsoft.php'; include 'testUtils.php'; if (isset($_REQUEST['go'])) { $out = Infusionsoft_ContactService::findByEmail($_REQUEST['email'], $_REQUEST['selectedFields']); var_dump($out); }