date_default_timezone_get

(PHP 5 >= 5.1.0, PHP 7)

date_default_timezone_get — 取锟斤拷一锟斤拷锟脚憋拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷时锟戒函锟斤拷锟斤拷使锟矫碉拷默锟斤拷时锟斤拷

说锟斤拷

date_default_timezone_get ( void ) : string

锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷默锟斤拷时锟斤拷锟斤拷使锟斤拷锟斤拷锟斤拷"锟劫讹拷"锟斤拷顺锟斤拷

  • 锟斤拷 date_default_timezone_set() 锟斤拷锟斤拷锟借定锟斤拷时锟斤拷锟斤拷锟斤拷锟斤拷瓒拷说幕锟斤拷锟�

  • 锟斤拷锟斤拷锟斤拷 PHP 5.4.0 之前锟斤拷 TZ 锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷强眨锟�

  • date.timezone 锟斤拷锟斤拷选锟筋（锟斤拷锟斤拷瓒拷说幕锟斤拷锟�

  • 锟斤拷锟斤拷锟斤拷 PHP 5.4.0 之前锟斤拷 锟斤拷询锟斤拷锟斤拷系统锟斤拷锟斤拷 (锟斤拷锟斤拷锟斤拷锟较低持э拷植锟斤拷锟斤拷锟�)锟斤拷 This uses an algorithm that has to guess the timezone. This is by no means going to work correctly for every situation. A warning is shown when this stage is reached. Do not rely on it to be guessed correctly, and set date.timezone to the correct timezone instead.

  • 锟斤拷锟斤拷锟斤拷锟窖★拷穸疾锟斤拷晒锟斤拷锟�date_default_timezone_get() 锟斤拷锟津返伙拷 UTC 锟斤拷默锟斤拷时锟斤拷锟斤拷

锟斤拷锟斤拷值

锟斤拷锟斤拷一锟斤拷 string锟斤拷

锟斤拷锟斤拷锟斤拷志

锟芥本 说锟斤拷
5.4.0 锟斤拷锟斤拷使锟斤拷 TZ 锟斤拷锟狡诧拷时锟斤拷锟斤拷
5.4.0 锟斤拷锟劫革拷锟捷诧拷锟斤拷系统锟斤拷锟斤拷息锟斤拷锟狡诧拷时锟斤拷锟斤拷锟斤拷为锟斤拷锟角诧拷锟缴匡拷锟侥★拷

锟斤拷锟斤拷

Example #1 锟斤拷取默锟斤拷时锟斤拷

<?php
date_default_timezone_set('Europe/London');

if (date_default_timezone_get()) {
    echo 'date_default_timezone_set: ' . date_default_timezone_get() . '<br />';
}

if (ini_get('date.timezone')) {
    echo 'date.timezone: ' . ini_get('date.timezone');
}

?>

锟斤拷锟斤拷锟斤拷锟教碉拷锟斤拷锟斤拷锟斤拷锟斤拷冢锟�

date_default_timezone_set: Europe/London
date.timezone: Europe/London

Example #2 锟斤拷取一锟斤拷时锟斤拷锟侥硷拷写

<?php
date_default_timezone_set('America/Los_Angeles');
echo date_default_timezone_get() . ' => ' . date('e') . ' => ' . date('T');
?>

锟斤拷锟斤拷锟斤拷锟教伙拷锟斤拷锟斤拷锟�

America/Los_Angeles => America/Los_Angeles => PST

锟轿硷拷