<?php
$yesterday_zero = strtotime(date('Y-m-d')) - 3600 * 24; //昨天0时时间戳
echo "<p>昨天0时：" . date("Y-m-d H:i:s", $yesterday_zero) . "</p>";
$yesterday_now = strtotime('-1 day'); //昨天此时时间戳
echo "<p>昨天此时：" . date("Y-m-d H:i:s", $yesterday_now) . "</p>";
$week_this_monday = strtotime('last Monday'); //本周一时间戳
echo "<p>本周一：" . date("Y-m-d H:i:s", $week_this_monday) . "</p>";
$tomorrow = strtotime("+1 day"); //明天时间戳
echo "<p>明天：" . date("Y-m-d H:i:s", $tomorrow) . "</p>";
$week_last_monday = strtotime('last Monday') - 3600 * 24 * 7; //上周一时间戳
echo "<p>上周一：" . date("Y-m-d H:i:s", $week_last_monday) . "</p>";
$week_last_sunday = strtotime('last Monday') - 3600 * 24; //上周日时间戳
echo "<p>上周日：" . date("Y-m-d H:i:s", $week_last_monday) . "</p>";
$month_first = strtotime(date("Y") . "-" . date("m") . "-1"); //本月第一天时间戳
echo "<p>本月第一天：" . date("Y-m-d H:i:s", $month_first) . "</p>";
$month_last = strtotime(date("Y") . "-" . date("m") . "-" . date("t")); //本月最后一天时间戳
echo "<p>本月最后一天：" . date("Y-m-d H:i:s", $month_last) . "</p>";
?>
