timezone_name_from_abbr
timezone_name_from_abbr
Returns a timezone name by guessing from abbreviation and UTC offset
**timezone_name_from_abbr** string $abbr int $utcOffset int $isDST
abbrTime zone abbreviation.
utcOffset
Offset from GMT in seconds. Defaults to -1 which means that first found
time zone corresponding to is returned.
Otherwise exact offset is searched and only if not found then the first
time zone with any offset is returned.
abbr
isDST
Daylight saving time indicator. Defaults to -1, which means that
whether the time zone has daylight saving or not is not taken into
consideration when searching. If this is set to 1, then the
is assumed to be an offset with
daylight saving in effect; if 0, then
is assumed to be an offset without daylight saving in effect. If
doesn't exist then the time zone is
searched solely by the and
.
utcOffset``utcOffset``abbr``utcOffset``isDST
Returns time zone name on successreturn.falseforfailure.
Voorbeeld: A example
<?php
echo timezone_name_from_abbr("CET") . "\n";
echo timezone_name_from_abbr("", 3600, 0) . "\n";
Europe/Berlin
Europe/Paris
timezone_abbreviations_list