Prevent php web contact form spam

by

A simple trick is to create a honeypot field:

html

<!-- within your existing form add this field -->
<input type="text" id="website" name="website"/>

css 

/*in your css hide the field so real users cant fill it in*/
form #website{ display:none; }

php 

//in your php ignore any submissions that inlcude this field
if(!empty($_POST['website'])) die();

More Related Contents:

  1. My login page won't return anything
  2. PHP sending form data to the database
  3. How to store variable value after clicking “Submit”?
  4. How to prevent form resubmission when page is refreshed (F5 / CTRL+R)
  5. Form submit with AJAX passing form data to PHP without page refresh [duplicate]
  6. Submitting a multidimensional array via POST with php
  7. Keep values selected after form submission
  8. How do I make a PHP form that submits to self?
  9. How can I properly escape HTML form input default values in PHP?
  10. PHP – Redirect and send data via POST
  11. How to prevent multiple inserts when submitting a form in PHP?
  12. Why use $_SERVER[‘PHP_SELF’] instead of “”
  13. PHP send mail to multiple email addresses
  14. PHP: Possible to automatically get all POSTed data?
  15. PHP form – on submit stay on same page
  16. how to write javascript code inside php
  17. How get value for unchecked checkbox in checkbox elements when form posted?
  18. Can you re-populate file inputs after failed form submission with PHP or JavaScript?
  19. How do I pass data between pages in PHP?
  20. Logging In To Joomla 1.5 Using External Form (not within joomla folder, but on same server)
  21. How to access the form’s ‘name’ variable from PHP
  22. How effective is the honeypot technique against spam?
  23. How to set $_GET variable
  24. How To Pass GET Parameters To Laravel From With GET Method ?
  25. How to place two forms on the same page?
  26. PHP form token usage and handling
  27. Why is my e-mail still being picked up as spam? Using mail() function
  28. PHP ZIP files on the fly
  29. multi-dimensional array post from form
  30. Undefined index error PHP

Leave a Comment