PHP DateTime 对象和 Date 函数

DateTime对象

<?php 
//设置时间时区 date_default_timezone_set('PRC'); $dateFormat = "Y-m-d"; $dateTimeFormat = "Y-m-d H:i:s"; 
//获取当前时间 $date = new DateTime(); echo $date->format($dateTimeFormat) . "\n"; 
//时间2015-01-01加上7年5月4天4小时3分钟2秒 $date = new DateTime('2015-01-01'); $addDate = new DateInterval('P7Y5M4DT4H3M2S'); $date->add($addDate); echo $date->format($dateTimeFormat) . "\n"; 
//时间2015-05-29加上1年2月3天 $date = new DateTime('2015'); $date->add(new DateInterval('P1Y2M3D')); echo $date->format($dateFormat) . "\n"; 
//当前时间加上3小时2分钟1秒 $date = new DateTime(); $date->add(new DateInterval('PT3H2M1S')); echo $date->format($dateTimeFormat) . "\n"; $date = DateTime::createFromFormat($dateFormat, '2009-02-15'); echo $date->format($dateTimeFormat) . "\n"; $date = new DateTime(); $date->setDate(2222, 12, 22); echo $date->format($dateFormat) . "\n"; $date = new DateTime(); $date->setTime(14, 55); echo $date->format($dateTimeFormat) . "\n"; $date = new DateTime(); $date->setTimestamp(1171502725); echo $date->format($dateTimeFormat) . "\n"; 
//时间的比较 $Today = new DateTime(); $Tomorrow = new DateTime(); $Tomorrow->add(new DateInterval('P1D')); $diff = $Tomorrow->diff($Today); echo 'Difference: ' . $diff->format('%m month, %d days (total: %a days)') . "\n"; if ($Today < $Tomorrow) { echo "Today is before Tomorrow!\n"; } 
//获取时间戳以及输出格式化的时间戳 $date = new DateTime(); echo $date->getTimestamp() . "\n"; echo $date->format($dateTimeFormat) . "\n";

date函数

//默认时区 date_default_timezone_set('PRC'); 
echo "今天:" . date("Y-m-d", time()) . "<br>"; 
echo "今天:" . date("Y-m-d", strtotime("18 june 2008")) . "<br>";

echo "昨天:" . date("Y-m-d", strtotime("-1 day")) . "<br>";

echo "明天:" . date("Y-m-d", strtotime("+1 day")) . "<br>"; 
echo "一周后:" . date("Y-m-d", strtotime("+1 week")) . "<br>";
echo "一周零两天四小时两秒后:" . date("Y-m-d G:H:s", strtotime("+1 week 2 days 4 hours 2 seconds")) . "<br>"; 
echo "下个星期四:" . date("Y-m-d", strtotime("next Thursday")) . "<br>";

echo "上个周一:" . date("Y-m-d", strtotime("last Monday")) . "<br>";

echo "一个月前:" . date("Y-m-d", strtotime("last month")) . "<br>";

echo "一个月后:" . date("Y-m-d", strtotime("+1 month")) . "<br>";

echo "十年后:" . date("Y-m-d", strtotime("+10 year")) . "<br>";

作者：
链接：https://www.imooc.com/article/13924
来源：慕课网
本文原创发布于慕课网，转载请注明出处，谢谢合作

PHP DateTime 对象和 Date 函数

猜你喜欢