php格式化时间格式

php格式化时间格式：

echo gmdate('Y-m-d\TH:i:s',time()).'+08:00';
echo '<br>';
echo str_replace('+00:00', '.000Z', gmdate('c', strtotime('2019-03-05 18:56:57')));
echo '<br>';
echo str_replace('+00:00', 'Z', gmdate('c'));

echo '<br>';echo '<br>';
$date = "2020-11-04T01:53:06+08:00";
$offset=16*60*60; //converting 8 hours to seconds.
$time = strtotime($date); // 转换为时间戳
echo date("Y-m-d H:i:s", $time+$offset);
echo '<br>';
echo gmdate("Y-m-d H:i:s", $time);