$timestamp = time();
$startTime = strtotime(date('Y-m-d',strtotime('+0 week Monday',$timestamp)));
$endTime = strtotime(date('Y-m-d',strtotime('+0 week Sunday',$timestamp)))+24*3600-1;
print_r($startTime);
echo "/";
print_r($endTime);

//如果要获取两周时间
把+0 改成 -1 就可以了 如下图,代表上一周和本周开始时间和结束时间
//一周数据数组
<?php
$format='Y-m-d';
$time = $time != '' ? $time : time();
//获取当前周几
$week = date('w', $time);
$weekname = array('周一','周二','周三','周四','周五','周六','周日');
//星期日排到末位
if(empty($week)){
$week=7;
}
$date = [];
for ($i=0; $i<7; $i++){
$date_time = date($format ,strtotime( '+' . $i+1-$week .' days', $time));
$date[$i]['date'] = $date_time;
$date[$i]['time'] = strtotime($date_time);
$date[$i]['week'] = $weekname[$i];
}
print_r($date);
exit();
?>