Methods for judging post, ajax, and get requests in the CI framework

This article mainly introduces the method of judging post, ajax, and get requests in the CI framework. It has certain reference value. Now I share it with you. Friends in need can refer to it

CI framework Methods similar to IS_POST, IS_AJAX, and IS_GET in the tp framework are not provided.

We have to make our own wheels. Next, we will introduce how to define these methods for judging requests. Actually, it's really simple.

First open constants.php, which is a file that defines constants. Then add these lines of code to the file.

//定义请求数据的方法
define('IS_POST',strtolower($_SERVER["REQUEST_METHOD"]) == 'post');//判断是否是post方法
define('IS_GET',strtolower($_SERVER["REQUEST_METHOD"]) == 'get');//判断是否是get方法
define('IS_AJAX',isset($_SERVER['HTTP_X_REQUESTED_WITH']) && strtolower($_SERVER['HTTP_X_REQUESTED_WITH']) == 'xmlhttprequest');//判断是否是ajax请求

Then, you can call these methods in the controller file.

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