Sample code that shows how to get all the notifications for your Twilio account

get_notifications.php

<?php
	require 'Services/Twilio.php';

	$ACCOUNT_SID = 'ACXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX';
	$AUTH_TOKEN = 'XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX';

	$client = new Services_Twilio($ACCOUNT_SID, $AUTH_TOKEN);

	try {
		$notifications = $client->account->notifications->getIterator();

		echo '<ul>';

		foreach ($notifications as $notification)
		{
			echo '<li>';
			echo '<a href="'.$notification->more_info.'">'.$notification->error_code.'</a> / <a href="https://www.twilio.com/user/account/log/view-error?sid='.$notification->sid.'">'.$notification->sid.'</a>';
			echo '<p>'.$notification->message_text.'</p>';
			echo '</li>';
		}

		echo '</ul>';
	}
	catch (Exception $e) {
		echo 'Error: '.$e->getMessage();
	}
?>