At 1/2/2007 12:24 AM, Le Phuoc Canh wrote:
Can we use php to detect client screen resolution? Please help me ?
Do you really want screen resolution or do you want browser window
size? Not every PC user keeps their windows maximized, and I have
yet to meet a Mac user who attempts to do so.
For cross-browser javascript that measures the viewport, see
Peter-Paul Koch's page:
Viewport properties
http://www.quirksmode.org/viewport/compatibility.html
PHP and javascript can act in concert. If PHP doesn't yet know the
monitor size, it can download a javascript-only page that will talk back, e.g.:
document.location.href = '?width=' . x . '&height=' . y
which PHP can receive as $_GET['x'] and $_GET['y'] and then use to
download the desired page.
Keep in mind that the user can change window size at any time and
many people do so from one page to the next to accommodate varying
content and their other desktop activities at the time. Therefore
you can't really rely on intial measurements; if the proper rendering
of your page DEPENDS on knowing the window size, you'll need to
re-measure it for every pageview. Downloading a measuring script in
advance of each web page would make the browsing experience a bit sluggish.
If possible, try to make your page layouts more robust. There are
many techniques for engineering pages to tolerate a wide spectrum of
window widths; see the CSS-D wiki for links:
http://css-discuss.incutio.com/
Regards,
Paul
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