What is the primary purpose of Timezones Functions in PHP?

Complete guide to PHP supported timezones, timezone identifier functions, and default timezone configuration.

Are Timezones Functions enabled by default in PHP 8?

Yes, standard Timezones Functions are core parts of the PHP standard library and require no external PECL extensions.

PHP Timezone Functions Reference Guide

This reference page provides a comprehensive, alphabetical catalog of all built-in Timezones Functions in PHP. In modern web development and university exams (BCA, BSc CS, B.Tech), understanding these core functions accelerates programming speed and prevents you from reinventing existing standard library tools.

Quick Tip: In modern PHP 8, you can use named arguments to specify parameters without having to memorize optional default argument positions!

Function	Description
e	Timezone identifier (added in PHP 5.1.0)
I (capital i)	Whether or not the date is in daylight saving time
O	Whether or not the date is in daylight saving time
O	Difference to Greenwich time (GMT) in hours
P	Difference to Greenwich time (GMT) with colon between hours and minutes (added in PHP 5.1.3)
T	Timezone abbreviation
Z	Timezone offset in seconds. The offset for timezones west of UTC is always negative, and for those east of UTC is always positive.

PHP Timezone Functions Reference Guide

Related Reference Links & Tutorials

You may also like this!