PHP自动生成月历代码

　　<?php
/*
Function Written by Nelson Neoh @3/2004.
For those who wants to utilize this code, please do not remove this remark.
If you have done any enhancement to this code, please post the copy at

　　Function usage: calendar(Month,Year)
*/

function calendar($MM,$YYYY){
if($MM==) $MM = date(m);
if($YYYY==) $YYYY = date(Y);
if(checkdate($MM,1,$YYYY)){
$stringDate = strftime(%d %b %Y,mktime (0,0,0,$MM,1,$YYYY));
$days = strftime(%d,mktime (0,0,0,$MM+1,0,$YYYY));
$firstDay = strftime(%w,mktime (0,0,0,$MM,1,$YYYY));
$lastDay = strftime(%w,mktime (0,0,0,$MM,$days,$YYYY));
$printDays = $days;
$preMonth = strftime(%m,mktime (0,0,0,$MM-1,1,$YYYY));
$preYear = strftime(%Y,mktime (0,0,0,$MM-1,1,$YYYY));
$nextMonth = strftime(%m,mktime (0,0,0,$MM+1,1,$YYYY));
$nextYear = strftime(%Y,mktime (0,0,0,$MM+1,1,$YYYY));
print(<table border=\1\ cellpadding=\1\ cellspacing=\1\>);
print(<tr><th valign=\top\><a href=\.$_SERVER[PHP_SELF].?NB=.$_GET[NB].&MM=.$preMonth.&YY=.$preYear.\>P</a></th>);
print(<th colspan=\5\ valign=\top\>.strftime(%b %Y,mktime (0,0,0,$MM,1,$YYYY)).</th>);
print(<th valign=\top\><a href=\.$_SERVER[PHP_SELF].?NB=.$_GET[NB].&MM=.$nextMonth.&YY=.$nextYear.\>N</a></th></tr>);
print(<tr style=\font-family: Verdana; font-size:x-small\>);
print(<th>Sun</th><th>Mon</th><th>Tue</th><th>Wed</th><th>Thu</th><th>Fri</th><th>Sat</th></tr>);

$currentDays = 1;
for($a=1;$a<=5;$a++){
print(<tr align=\left\ valign=\top\ style=\font-family: Verdana; font-size:x-small\>);
$diffDays = $firstDay-$lastDay;
if($firstDay>$lastDay && $currentDays ==1 && ($diffDays<>1)){
for($x=$lastDay;$x>=0;$x--){
$printDays = $days-$x;
print(<td>$printDays</td>);
}
for($z=1;$z<$firstDay-$lastDay;$z++){
print(<td></td>);
}
for($y=$firstDay;$y<7;$y++){
print(<td>$currentDays</td>);
$currentDays++;
}
} elseif($firstDay!=0 && $currentDays==1){
for($z=1;$z<=$firstDay;$z++){
print(<td></td>);
}
for($y=$firstDay;$y<7;$y++){
print(<td>$currentDays</td>);
$currentDays++;
}
} else {
for($u=1;$u<=7 && $currentDays<=$days;$u++){
print(<td>$currentDays</td>);
$currentDays++;
}
}
print(</tr>);
}
print(</table>);
}
}
?>