height of the window portview in a session variable

I would like to save the height of the window's portview (browser) in a session variab开发者_开发技巧le. Is that possible and how is it done?

var viewportHeight = window.innerHeight ? window.innerHeight : $(window).height();

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In a PHP session variable? You could make an AJAX call to a PHP script that would store the incoming variable in the PHP session.

Javascript

var viewportHeight = window.innerHeight ? window.innerHeight : $(window).height();
jQuery.post('URL_TO_PHP_SCRIPT_HERE', {height: viewportHeight});

PHP

$_SESSION['viewportHeight'] = $_POST['height'];

Be sure to sanitize the incoming $_POST data. Maybe use intval() on $_POST['height'].

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Here are some suggestions:

• Pass your variable in query string
• Pass it via hidden field
• Use cookies instead.
• Pass your variable via ajax and store in php session