Security by Design for Small Web Apps

A developer-friendly security foundation for sessions, CSRF protection, prepared statements, output escaping and safer uploads.

Shield and code illustration for web application security

Security is more reliable when it is built into shared helpers instead of copied into individual pages.

Use prepared statements everywhere

Do not concatenate user input into SQL. Prepared statements make the safe approach the normal approach.

Protect state-changing forms

Use CSRF tokens and server-side validation for create, update and delete actions.

Validate uploads on the server

  • Inspect the MIME type.
  • Generate your own filename.
  • Limit file size.
  • Block PHP execution in upload directories.

Article discussion

Approved comments from signed-in EkDevStudio members.

No approved comments yet. Start the discussion.

Join the discussion

Leave a comment

You need a member account before you can comment.

Recommended developer notes

Ranked from content similarity, recent interests, engagement signals and quality indicators. New visitors receive a useful cold-start mix.

ArticleSimilar topics and technologies

Building Faster PHP Websites

A practical checklist for reducing page weight, unnecessary requests and slow database work in small-to-medium PHP websites.

Explore →