date_default_timezone_set() function in PHP

The date_default_timezone_set() function sets the default time zone.

Syntax

date_default_timezone_set(timezone)

Parameters

• timezone − The time zone to use, such as "UTC" or "Europe/Paris".

Return

The date_default_timezone_set() function returns FALSE if the timezone is not valid. TRUE otherwise.

Example

The following is an example −

<?php
   date_default_timezone_set("Asia/Kolkata");
   echo date_default_timezone_get();
?>

Output

Asia/Kolkata

Example

Let us see another example −

<?php
   date_default_timezone_set('Asia/Singapore');
   $obj= date_default_timezone_get();
   if (strcmp($obj, ini_get('date.timezone'))){
      echo 'No match!';
   } else {
      echo 'Match!';
   }
?>

Output

No match!