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Answer 1

+1 A:

You could parse the $_SERVER['HTTP_USER_AGENT'] string for the various platform details, but I wouldn't be confident that this was a deterministic approach, since it can easily be faked.

David Grant 2010-02-17 11:30:08

or does not exist, e.g. when accessed via CLI

Gordon 2010-02-17 11:33:09

Answer 2

+3 A:

The get_browser function can be used to extract a couple of information the User-Agent HTTP header sent by the browser.

Amongst those informations, it seems there is some data about the operating system the browser's running on -- i.e. about the client OS.

Quoting the example given on the manual page of get_browser :

Array
(
    [browser_name_regex] => ^mozilla/5\.0 (windows; .; windows nt 5\.1; .*rv:.*) gecko/.* firefox/0\.9.*$
    [browser_name_pattern] => Mozilla/5.0 (Windows; ?; Windows NT 5.1; *rv:*) Gecko/* Firefox/0.9*
    [parent] => Firefox 0.9
    [platform] => WinXP
    [browser] => Firefox
    [version] => 0.9

But note that the User-Agent HTTP header is sent by the client, which means :

It can be disabled
It can be faked (i.e. you can get any kind of garbage in it ^^ )

Pascal MARTIN 2010-02-17 11:35:20

i run this get browser function , i find one array that is ismobiledevice , ut in my system it is just showing empty array...

Bharanikumar 2010-02-17 12:45:09

i thing in my mobile device it showing the 1shall i use , something like when this array is one then redirect page to example_mobile_os.php

Bharanikumar 2010-02-17 12:48:26

Answer 3

A:

problem fixed, i hve used the get_browser funcion,

Bharanikumar 2010-02-19 08:29:56

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determine client OS in php

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