Sets the default timezone used by all date/time functions in a script
Syntax
date_default_timezone_set ( string $timezone_identifier ) : bool
Parameters
timezone_identifier
The timezone identifier, like UTC or Europe/Lisbon. The list of valid identifiers is available in the List of Supported Timezones.
Return
This function returns FALSE if the timezone_identifier isn't valid, or TRUE otherwise.
Examples
1 · timezone_identifier
<? $timezone_identifier = "America/Los_Angeles"; date_default_timezone_set($timezone_identifier); echo date_default_timezone_get(); ?>
America/Los_Angeles
2 · Return
<? $timezone_identifier = "America/Los_Angeles"; $return = date_default_timezone_set($timezone_identifier); var_export($return); ?>
true