Passing Data from JavaScript to php in same file

Question

When I use getDate() in my php file, I always get time that lies 5 hours behind system time. So I use JavaScript getting time from system. My code is below

<script type="text/javascript">

Date.prototype.today = function () { 
    return ((this.getDate() < 10)?"0":"") + this.getDate() +"."+(((this.getMonth()+1) < 10)?"0":"") + (this.getMonth()+1) +"."+ this.getFullYear();
}

Date.prototype.timeNow = function () {
     return ((this.getHours() < 10)?"0":"") + this.getHours() +":"+ ((this.getMinutes() < 10)?"0":"") + this.getMinutes() +":"+ ((this.getSeconds() < 10)?"0":"") + this.getSeconds();
}

var newDate = new Date();
var datetime = newDate.today() + " " + newDate.timeNow();
document.write(datetime);

</script>

It's a php file. Now I wanna use "datatime" in my php code

<?php
//Here I use datetime
?>

how do I use it? Thanks in advance.

JavaScript runs on the client side and therefore gets the client time. PHP runs on the server and therefore gets the server time. Both of these times should be correct in their contexts. You need to evaluate why you think you need to store the client's time on the server provided the clients may change time zones whenever they want. — apokryfos
– apokryfos, Commented Feb 12, 2017 at 9:49
Why not set the time in PHP and pass to JavaScript? Now you will have to Ajax the time to the PHP for to us unknown reasons — mplungjan
– mplungjan, Commented Feb 12, 2017 at 9:49
javascript is client side while php runs on the server , why you don't set your specific time zone within your php code ? date_timezone_set — hassan
– hassan, Commented Feb 12, 2017 at 9:52

JazZ · Accepted Answer · 2017-02-12 11:51:35Z

3

Why not set your timezone with date_default_timezone_set() (it will set the timezone globally) ?

<?php 
    date_default_timezone_set('Indian/Mauritius');
    $date= date('Y-m-d H:i');
    echo $date;
?>

Output :

2017-02-12 13:54

Or you could use php DateTime object :

$date = new DateTime();
$date->setTimeZone(new DateTimeZone("Asia/Dhaka"));
echo $date->format('Y-m-d H:i');

Output :

2017-02-12 16:19

EDIT :

Here is the list of php supported timezones : http://php.net/manual/en/timezones.php

So, your timezone will be "Asia/Dhaka".

edited Feb 12, 2017 at 11:51

answered Feb 12, 2017 at 9:54

JazZ

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2 Comments

A.A Noman Over a year ago

If i get time Dhaka Bangladesh What time zone I select.

JazZ Over a year ago

@A.ANoman I edited my answer. Your timezone is "Asia/Dhaka"

moti irom · Accepted Answer · 2017-02-12 10:05:25Z

2

You can not do that. the php script run in yor sever befor sending to users browser, after this run the browser the javascript code in the users computer.

If all you need is a variable with date, use date() function in php with correct params For example:

$today = date("Ymd");

in defult php return month number in 2 digits.

edited Feb 12, 2017 at 10:05

answered Feb 12, 2017 at 9:57

moti irom

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