How to implement Codeigniter to detect form post data

This article introduces the relevant knowledge of "how to achieve Codeigniter detection form post data". In the operation of actual cases, many people will encounter such a dilemma, so let the editor lead you to learn how to deal with these situations. I hope you can read it carefully and be able to achieve something!

The details are as follows:

$name = $this- > input- > post ('name'); $email = $this- > input- > post (' email'); $subject = $this- > input- > post ('subject'); $message = $this- > input- > post (' message'); if (empty ($name) OR empty ($email) OR empty ($subject) OR empty ($message) {show_404 ("Please go back and fill in all of the fields. ");}" how to implement Codeigniter to detect form post data "is introduced here, thank you for reading. If you want to know more about the industry, you can follow the website, the editor will output more high-quality practical articles for you!