thedate = $thedate; $this->themonth = (int)$bits[1]; $this->theyear = $bits[0]; $this->theday = (int)$bits[2]; $this->firstofmonthts = mktime(0,0,0,$this->themonth, 1, $this->theyear); } function dayofweek(){ return date("w", strtotime($this->thedate)); } function notaweekend($frimon = -1){ $day = $this->dayofweek(); if( $day == 0 ){ // sunday $this->setdate( $this->dateadd( "%Y-%m-%d", $frimon == -1 ? -2 : 1)); }elseif( $day == 6 ){ // saturday $this->setdate($this->dateadd("%Y-%m-%d", $frimon == -1 ? -1 : 2)); } } function addweekdays($format = "%Y-%m-%d", $days=0){ $inc = $days < 0 ? -1 : 1; $days = abs($days); $firstday = $this->dayofweek(); $numdays = 0; $day = 0; while( $day < $days ){ if( $firstday != 0 && $firstday != 6 ) $day++; $numdays++; $firstday += $inc; if( $firstday < 0 ) $firstday = 6; if( $firstday > 6 ) $firstday = 0; } return strftime($format, mktime(0,0,0,$this->themonth, $this->theday+($numdays * $inc), $this->theyear)); } function dateadd($format = "%Y-%m-%d", $days = 0, $months = 0, $years = 0, $keepday = true){ if( $days == 0 && $keepday == true ){ $daysinnewmonth = date("t", mktime(0,0,0,$this->themonth+$months, $this->theyear+$years)); if( $daysinnewmonth < $this->theday ){ return strftime($format, mktime(0,0,0,$this->themonth+$months, $daysinnewmonth, $this->theyear+$years)); }else{ return strftime($format, mktime(0,0,0,$this->themonth+$months, $this->theday+$days, $this->theyear+$years)); } }else{ return strftime($format, mktime(0,0,0,$this->themonth+$months, $this->theday+$days, $this->theyear+$years)); } } function getdate($format = "%Y-%m-%d"){return strftime($format, mktime(0,0,0,$this->themonth, $this->theday, $this->theyear));} function nextmonth($format = "%Y-%m-%d"){return $this->dateadd($format, 0, 1, 0);} function prevmonth($format = "%Y-%m-%d"){return $this->dateadd($format, 0, -1, 0);} function nextday($format = "%Y-%m-%d"){return $this->dateadd($format, 1, 0, 0, false);} function prevday($format = "%Y-%m-%d"){return $this->dateadd($format, -1, 0,0, false);} function nextyear($format = "%Y-%m-%d"){return $this->dateadd($format, 0, 0, 1);} function prevyear($format = "%Y-%m-%d"){return $this->dateadd($format, 0, 0, -1);} function nextweek($format = "%Y-%m-%d"){return $this->dateadd($format, 7, 0, 0, false);} function prevweek($format = "%Y-%m-%d"){return $this->dateadd($format, -7, 0,0, false);} function daysinmonth(){ return (int)date("t", mktime(0,0,0,$this->themonth, 1, $this->theyear)); } function calendar($thedate = "", $startday = 0){ global $HTTP_SERVER_VARS; if( $thedate == "" ) $thedate = date("Y-m-d"); $this->setdate($thedate); $this->startday = $startday; $this->tabletags = ""; $this->tdinmonth = "\n"; $this->tdoutmonth = "\n"; $this->tdinmonthevent = "\n"; $this->tdoutmonthevent = "\n"; $this->dayformat = "full"; $this->thtags = ""; $this->tdtoday = "\n"; $this->tdtodayevent = "\n"; } function getcalendardays(){ $daysinmonth = $this->daysinmonth(); $firstdayofmonth = date("w", $this->firstofmonthts); $lastdayofmonth = date("w", mktime(0,0,0,$this->themonth, $daysinmonth, $this->theyear)); $daysinlastmonth = date("t", mktime(0,0,0,$this->themonth-1, 1, $this->theyear)); $daysback = $firstdayofmonth - $this->startday; if( $daysback < 0 ){ $daysback += 7; } $days = array(); for( $i = $daysback-1; $i >= 0; $i--) $days[] = $daysinlastmonth - $i; for( $i = 1; $i <= $daysinmonth; $i++){ $days[] = $i; } if( count($days) % 7 != 0 ){ $daysremaining = 7 - (count($days) % 7); for( $i = 1; $i <= $daysremaining; $i++) $days[] = $i; } return $days; } function getdaynames(&$days, $themonth, $theyear){ $daynames = array(); switch ($this->dayformat){ case "full": $dformat = "%A"; break; default: $dformat = "%a"; break; } for( $i = 0; $i < 7; $i++){ if( $days[$i] > 7 ){ $daynames[$i] = strftime( $dformat, mktime(0,0,0,$themonth-1, $days[$i], $theyear)); }else{ $daynames[$i] = strftime( $dformat, mktime(0,0,0,$themonth, $days[$i], $theyear)); } if( $this->dayformat == "short" ) $daynames[$i] = substr($daynames[$i], 0, 1); } return $daynames; } function displaycalendar($events = array()){ $thedays = $this->getcalendardays(); $dayofweek = 0; $inmonth = 0; $daynames = $this->getdaynames($thedays, $this->themonth, $this->theyear); echo "

%day%	%day%	%day% %event%	%day% %event%	%day%	%day%	%day% %event%

\n"; echo "\n"; for( $i = 0; $i < 7; $i++) echo str_replace("%day%", $daynames[$i], $this->thtags); echo "\n"; $search = array("%day%", "%date%", "%event%"); for( $i = 0; $i < count($thedays); $i++){ $event = ""; if( $dayofweek == 0 ){ echo "\n"; }elseif( $dayofweek == 7 ){ echo "\n"; $dayofweek = 0; } if( $thedays[$i] == 1 ){ $inmonth = 1 - $inmonth; } if( $inmonth ){ $thedate = date("Y-m-d", mktime( 0,0,0,$this->themonth, $thedays[$i], $this->theyear)); if( $thedays[$i] == $this->theday ){ if( isset($events["$thedate"]) ){ $out = $this->tdtodayevent; $event = $events["$thedate"]; }else{ $out = $this->tdtoday; } }else{ if( isset($events["$thedate"]) ){ $out = $this->tdinmonthevent; $event = $events["$thedate"]; }else{ $out = $this->tdinmonth; } } }else{ if( $thedays[$i] < 7 ){ $thedate = date("Y-m-d", mktime(0,0,0,$this->themonth+1, $thedays[$i], $this->theyear)); }else{ $thedate = date("Y-m-d", mktime(0,0,0,$this->themonth-1, $thedays[$i], $this->theyear)); } if( isset($events["$thedate"]) ){ $out = $this->tdoutmonthevent; $event = $events["$thedate"]; }else{ $out = $this->tdoutmonth; } } echo str_replace($search,array($thedays[$i], $thedate, $event), $out); $dayofweek++; } if( $dayofweek == 7 ) echo "\n"; echo "\n"; } } ?>