Submitting forms using PHP cURL
A tutorial on how to submit (POST) forms using PHP cURL. This technique proves to very useful when implementing payment gateways for e-commerce websites.
Handling file uploads in PHP
Easy to follow tutorial on handling file uploads in PHP.
Handling forms in PHP
A simple tutorial on handling forms in PHP. More often than not, this the first stumbling block for most PHP beginners.
Prevent Duplicate Form Submission
Learn how to use PHP sessions to prevent duplicate form submission or re-submission.