php imap如何使用imap_sort获取过去7天的未读邮件？

Question

Is it possible to get the unread messages of the last 7 days. ? I have

 $result = imap_sort($imap, SORTDATE, 1,"UNSEEN");

Answer 1

I found the answer:

$date = date ( "d M Y", strToTime ( "-7 days" ) );
$search_criteria = "SINCE \"$date\""." UNSEEN";