01.<?
02.
03.
04.$bkk= mktime(gmdate("H")+7, gmdate("i")+0, gmdate("s"), gmdate("m"), gmdate("d"), gmdate("Y"));
05.$datetimeformat="His";
06.$now_time = date($datetimeformat,$bkk) ;
07.
08.if($now_time>120000 && $now_time<130000){
09.
10. echo "<a href='source_file'>download</a>";
11.}else ;
12.
13.?>
