How to check if the request is an AJAX request with PHP
Here is the tutorial of achieving the result.
Example:
if(!empty($_SERVER['HTTP_X_REQUESTED_WITH']) && strtolower($_SERVER['HTTP_X_REQUESTED_WITH']) == 'xmlhttprequest'){ exit; }continue;This checks if the
HTTP_X_REQUESTED_WITHparameter is not empty and if it's equal toxmlhttprequest, then it will exit from the script.
There is no sure-fire way of knowing that a request was made via Ajax. You can never trust data coming from the client. You could use a couple of different methods but they can be easily overcome by spoofing.
From PHP 7 with null coalescing operator it will be shorter:
$is_ajax = 'xmlhttprequest' == strtolower( $_SERVER['HTTP_X_REQUESTED_WITH'] ?? '' );