// 어제 날짜
$ytime  = mktime (0,0,0,date(\"m\")  , date(\"d\")-1, date(\"Y\"));    
$YeDate = date(\"Y-m-d\",$ytime);

// 현재 날짜
$ytime  = mktime (0,0,0,date(\"m\")  , date(\"d\")-1, date(\"Y\"));    
$CurDate = date(\"Y-m-d\",$ytime);

// 내일 날짜
$ytime  = mktime (0,0,0,date(\"m\")  , date(\"d\")+1, date(\"Y\"));    
$toDate = date(\"Y-m-d\",$ytime);
이 게시물을..