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