PHP - timezone_name_from_abbr() Function

September 26, 2024

Categories: PHP Functions, PHP Reference, Reference

Quick Reference

The PHP timezone_name_from_abbr() returns the timezone name from abbreviation.

<?php
echo timezone_name_from_abbr('PST') . '<br>';
echo timezone_name_from_abbr('', 3600, 0);
?>

Output

America/Los_Angeles
Europe/Paris

Syntax

timezone_name_from_abbr(abbr, gmtoffset, isdst)

Parameters

Parameter	Description
abbr	Specifies the timezone abbreviation (required)
gmtoffset	Specifies the offset from GMT in seconds; default is -1, which means that first found timezone corresponding to abbr is returned; if not found, the first timezone with any offset is returned
isdst	Specifies daylight saving time indicator: -1 = Whether the timezone has daylight saving or not is not taken into consideration when searching (default) 1 = Means that the gmtoffset is an offset with daylight saving in effect 0 = Means that the gmtoffset is an offset without daylight saving in effect

PHP Notes:

When using PHP, single or double quotation marks are acceptable and work identically to one another; choose whichever you prefer, and stay consistent
Arrays count starting from zero NOT one; so item 1 is position [0], item 2 is position [1], and item 3 is position [2] … and so on

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