How can JavaScript be used in conjunction with PHP to obtain information about the user's resolution?

To obtain information about the user's resolution, JavaScript can be used to gather the screen width and height of the user's device. This information can then be sent to a PHP script via AJAX, where it can be processed and stored in a database or used for further actions. 

<?php
if(isset($_POST['width']) && isset($_POST['height'])){
    $width = $_POST['width'];
    $height = $_POST['height'];

    // Store the resolution information in a database or perform any desired actions
}
?>

Keywords

JavaScript PHP user resolution screen resolution window.innerWidth

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