How to show the time and data in the user's timezone?
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vibhaJ 126 I use this code found from one forum.
Hope this helps you.
<?php
if (!isset($_POST["timezoneoffset"])){
?>
<form method="post" action="<?php echo $_SERVER["PHP_SELF"]; ?>" id="time_form" name="time_form">
<script type="text/javascript">
tzo = - new Date().getTimezoneOffset()*60;
document.write('<input type="hidden" value="'+tzo+'" name="timezoneoffset">');
</script>
<input type="submit" value="Get Server Client TimeZone Difference" name="Ok">
</form>
<?php
}else{
$serverTimezoneOffset = (date("O") / 100 * 60 * 60);
echo 'Server Timezone Offset : ' . ($serverTimezoneOffset/(60*60)) .' hours';
echo '<br />';
$clientTimezoneOffset = $_POST["timezoneoffset"];
echo 'Client Timezone Offset : ' . ($clientTimezoneOffset/(60*60)) .' hours';
echo '<br />';
$serverTime = time();
echo 'Server date time : ' . strftime("%d %b %Y %H:%M", $serverTime);
echo '<br />';
$serverClientTimeDifference = $clientTimezoneOffset-$serverTimezoneOffset;
$clientTime = $serverTime+$serverClientTimeDifference;
echo 'Client date time : ' . strftime("%d %b %Y %H:%M", $clientTime);
echo '<br />';
echo 'Difference : ' . ($serverClientTimeDifference/(60*60)) . " hours";
echo '<br />';
}
?>0
diafol 3,669 You probably need to do this via js, BUT instead of a form to post, why not do an ajax call if a flag isn't set (flag can be a session var). Once the tz is set, flag also set so the ajax call isn't run more than once during a session. I'd avoid using a normal cookie for this, but I suppose you could. Gets a bit messier if the user travels a lot though.
e.g.
<head>
...
<?php
if(!isset($_SESSION['tz_call'])){
echo "<script src=\"scripts/tz.js\"></script>";
}
?>
...
</head>Edited by diafol: n/a
0
cliffcc I don't want to have the submit button. Is it possible? If it can, how to rewrite the code? Thanks!
Edited by cliffcc: n/a
0
digital-ether 399 I don't want to have the submit button. Is it possible? If it can, how to rewrite the code? Thanks!
You can use a redirect, with cookies or session.
eg:
<?php
@session_start();
if (isset($_GET['tz'])) {
$_SESSION['tz'] = $_GET['tz'];
} else if (!isset($_SESSION['tz'])) { ?>
<script>
window.location = '<?php echo htmlentities($_SERVER['PHP_SELF']); ?>?tz=' + (new Date().getTimezoneOffset()/60);
</script>
<?php } ?>Note that using JS assumes the clients clock is set to the correct timezone. Another option is to use the users IP and a geocoding service to guess their timezone.
Edited by digital-ether: n/a
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