PHP | date_default_timezone_set() Function
Mahadev99
The date_default_timezone_set() function is an inbuilt function in PHP which is used to set the default timezone used by all date/time functions in a script. This function returns False if the timezone is not valid, or True otherwise.
Syntax:
bool date_default_timezone_set( $timezone_identifier )
Parameters: This function accepts single parameter $timezone_identifier which is mandatory. This parameter set the timezone identifier, like UTC or Asia/Kolkata.
Return Value: This function returns False if the timezone_identifier is not valid, or True otherwise.
Below programs illustrate the date_default_timezone_set() function in PHP:
Program 1:
<?php // Set timezonedate_default_timezone_set('Asia/Kolkata'); // Create $timezone_object = date_default_timezone_get(); // Compare the timezone with ini-set timezoneif (strcmp($timezone_object, ini_get('date.timezone'))){ echo 'Script timezone differs from ini-set timezone.';} else { echo 'Script timezone and ini-set timezone match.';}?> |
Output:
Script timezone differs from ini-set timezone.
Program 2:
<?php // Set the timezonedate_default_timezone_set('Asia/Dubai'); // Create the timezone object$timezone_object = date_default_timezone_get(); // Compare the timezone with ini-set timezoneif (strcmp($timezone_object, ini_get('date.timezone'))){ echo 'Script timezone differs from ini-set timezone.';} else { echo 'Script timezone and ini-set timezone match.';}?> |
Output:
Script timezone differs from ini-set timezone.
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Reference: http://php.net/manual/en/function.date-default-timezone-set.php
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