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date_default_timezone_set()

date_default_timezone_set - Sets the default timezone used by all date/time functions in a script

Syntax

bool date_default_timezone_set (string $timezone_identifier)

Arguments

  • timezone_identifier - The timezone identifier, like UTCor Europe/Lisbon. The list of valid identifiers is available in the List of Supported Timezones.

Description

date_default_timezone_set() sets the default timezone used by all date/time functions.

Version

PHP 5.1.0

Return value

This function returns FALSE if the timezone_identifier isn't valid, or TRUE otherwise.