<form>
contactId: <input type="text" name="contactId" value="<?php
if (isset($_REQUEST['contactId'])) {
echo htmlspecialchars($_REQUEST['contactId']);
}
?>
"><br/>
last4: <input type="text" name="last4" value="<?php
if (isset($_REQUEST['last4'])) {
echo htmlspecialchars($_REQUEST['last4']);
}
?>
"><br/>
<input type="submit">
<input type="hidden" name="go">
</form>
<?php
include '../infusionsoft.php';
include 'testUtils.php';
if (isset($_REQUEST['go'])) {
$out = Infusionsoft_InvoiceService::locateExistingCard($_REQUEST['contactId'], $_REQUEST['last4']);
var_dump($out);
}