How Can I Get a Website Visitor's Screen Resolution Using PHP?

Retrieving Screen Resolution using PHP

Obtaining the screen resolution of a visitor using only PHP is not possible. This is because PHP operates server-side, while screen resolution is client-side information.

Solution: JavaScript and AJAX

To retrieve screen resolution, you need to employ JavaScript, which runs on the client side. One approach is to send the data to a PHP script using AJAX:

JavaScript (jQuery):

PHP (some_script.php):

Browser Viewport vs Screen Resolution

While obtaining the screen resolution is possible, it might not be the most useful information. For web design purposes, you may be more interested in the browser viewport size, which represents the visible area of the web page.

The above is the detailed content of How Can I Get a Website Visitor's Screen Resolution Using PHP?. For more information, please follow other related articles on the PHP Chinese website!