php 获取当前周的日期

/**

* 获取本周所有日期

*/

function get_week($time = '', $format='Y-m-d'){

$time = $time != '' ? $time : time();

//获取当前周几

$week = date('w', $time);

$date = [];

for ($i=1; $i<=7; $i++){

$date[$i] = date($format ,strtotime( '+' . $i-$week .' days', $time));

}

return $date;

}