I have setup a function for my client to upload files via a php form to a specific directory.
What i need to do is display the directory files on a webpage so my client can see whats been uploaded. Also, if this is possible is it then possible to delete files? (not so important but would be useful)
Password hashing is better than message digests or encryption, and you should be using it instead of message digests or encryption. Find out why and how in this article, which supplements the original article on PHP Client Registration, Login, Logo…
Explain concepts important to validation of email addresses with regular expressions. Applies to most languages/tools that uses regular expressions.
Consider email address RFCs:
Look at HTML5 form input element (with type=email) regex pattern: