date_default_timezone_set

date_default_timezone_set

(PHP 5 >= 5.1.0RC1)

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

Description

bool date_default_timezone_set ( string timezone_identifier )

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

Note: Since PHP 5.1.0 (when the date/time functions were rewritten), every call to a date/time function will generate a E_NOTICE if the timezone isn't valid, and/or a E_STRICT message if using the system settings or the TZ environment variable.

Parameters

timezone_identifier

The timezone identifier, like UTC or Europe/Lisbon. The list of valid identifiers is available in the Appendix H.

Return Values

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

ChangeLog

VersionDescription
5.1.2 The function started to validate the timezone_identifier parameter.

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