PHP | timezone_name_from_abbr() Function

Hello folks! welcome back to a new edition of our tutorial on PHP. In this tutorial guide, we are going to be studying about the PHP timezone_name_from_abbr() Function.

The timezone_name_from_abbr() function is used to get the name of timezone from an abbreviation.

Syntax

Following below is the syntax to use this function -

timezone_name_from_abbr($abbr, [$gmtoffset[, $isdst]]);

READ: PHP | localtime() Function

Parameter Details

Sr.No	Parameter & Description
1	abbr (Mandatory) This is a string value representing the abbreviation for which you need to know the name of the time zone .
2	gmtOffset (Optional) This is an integer value representing an offset from GMT in seconds. If a value for this is given then its timezone is searched and returned. If not found first found timezone (according to given abbreviation) is returned.
3	isdst (Optional) This is an integer value specifying the daylight saving of the timezone. If value passed for this parameter is 0 it indicates that there is no daylight saving, if it is 1 there is a dalight saving and, if it is 0 the day light saving is not considered.

Return Value

This built-in function returns a string value representing the name of a timezone. In the case of failure, it returns the boolean value false.

PHP Version

This function was first introduced as part of core PHP v 5.2.0 and, it works with all the later versions.

Example1

Below example shows the usage of the timezone_name_from_abbr() function -

<?php
   $res = timezone_name_from_abbr("PST");   
   print($res);
?>

Output

When the above code is executed, it will produce the following result -

America/Los_Angeles

Example2

You could also get the timezone name by passing the offset value as follows -

<?php
   //setting the timezone
   $res = timezone_name_from_abbr("", 3600, 0);   
   print($res);
?>

Output

When the above code is executed, it will produce the following result -

Europe/Paris

Example3

Try the following example -

echo timezone_name_from_abbr("CET")."\n";
echo timezone_name_from_abbr("", 3600, 0);

Output

When the above code is executed, it will produce the following result -

Europe/Berlin
Europe/Paris

READ: PHP | microtime() Function

Alright guys! This is where we are going to be rounding up for this tutorial post. In our next tutorial, we are going to be discussing about the timezone_name_get() Function in PHP.

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