bool date_default_timezone_set ( string $timezone_identifier )
(PHP 5 >= 5.1.0)
date_default_timezone_set 함수로 국가별 시간을 구할 수 있습니다.
<?php
echo gmdate("Y/m/d H:i:s", date_timezone_set("US/Samoa"));
function date_timezone_db($country)
{
$fp = is_file('./timezone.db.txt');
clearstatcache();
if($fp)
{
$resource =
explode("\n", file_get_contents("./timezone.db.txt"));
foreach($resource as $v)
{
$timezone = explode(" ", $v);
if($timezone[0] == $country)
{
return $timezone[1];
}
}
return false;
}
else
{
return false;
}
}
function date_timezone_set($country)
{
if(function_exists("date_default_timezone_set") &&
function_exists("date_default_timezone_get")){
date_default_timezone_set($country);
$timezone = array();
$timezone = explode(" ", date("Y m d H i s"));
return gmmktime(
$timezone[3], $timezone[4], $timezone[5],
$timezone[1], $timezone[2], $timezone[0]
);
}
else
{
$timezone = date_timezone_db($country);
if($timezone !== false)
{
return (time() + 3600*$timezone);
}
else
{
return false;
}
}
}
?>