Sending email messages is a common task for web applications. You can use the built-in PHP `mail()` function to dynamically create and send email messages to one or more recipients.
A cheat-sheet with reminders, references and examples for working with PHP.
Signed URLs are public links which grant access to protected files stored in Amazon S3 buckets. With PHP you can dynamically generate these URL’s for use on your website. This article should help you get this process working.