date_default_timezone_set

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

checkdate

date

date_add

date_create

date_create_from_format

date_create_immutable

date_create_immutable_from_format

date_date_set

date_default_timezone_get

date_diff

date_format

date_get_last_errors

date_interval_create_from_date_string

date_interval_format

date_isodate_set

date_modify

date_offset_get

date_parse

date_parse_from_format

date_sub

date_sun_info

date_sunrise

date_sunset

date_time_set

date_timestamp_get

date_timestamp_set

date_timezone_get

date_timezone_set

getdate

gettimeofday

gmdate

gmmktime

gmstrftime

idate

localtime

microtime

mktime

strftime

strptime

strtotime

time

timezone_abbreviations_list

timezone_identifiers_list

timezone_location_get

timezone_name_from_abbr

timezone_name_get

timezone_offset_get

timezone_open

timezone_transitions_get

timezone_version_get

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