获取上周X和下周X方法

源码
$time = time();
$n = intval(date(‘N’, $time));// 1-7 monday-sunday

echo ‘今日：’.date(‘Y-m-d (N)’, $time).PHP_EOL;

echo ‘上周一：’.date(‘Y-m-d (N)’, $time-(6+$n)*24*60*60).PHP_EOL;
echo ‘下周六：’.date(‘Y-m-d (N)’, $time+(7-$n+6)*24*60*60).PHP_EOL;

echo ‘上周一：’.date(‘Y-m-d (N)’, strtotime(‘monday last week’)).PHP_EOL;
echo ‘下周六：’.date(‘Y-m-d (N)’, strtotime(‘saturday next week’)).PHP_EOL;
测试效果