Displaying a Calendar Month with PHP

gistfile1.txt

<?php


$day_num=date("j"); //If today is September 29, $day_num=29
$month_num = date("m"); //If today is September 29, $month_num=9
$year = date("Y"); //4-digit year
$date_today = getdate(mktime(0,0,0,$month_num,1,$year)); //Returns array of date info for 1st day of this month
$month_name = $date_today["month"]; //Example: "September" - to label the Calendar
$first_week_day = $date_today["wday"]; //"wday" is 0-6, 0 being Sunday. This is for day 1 of this month

$cont = true;
$today = 27; //The last day of the month must be >27, so start here
while (($today <= 32) && ($cont)) //At 32, we have to be rolling over to the next month
{
//Iterate through, incrementing $today
//Get the date information for the (hypothetical) date $month_num/$today/$year
$date_today = getdate(mktime(0,0,0,$month_num,$today,$year));
//Once $date_today's month ($date_today["mon"]) rolls over to the next month, we've found the $lastday
if ($date_today["mon"] != $month_num)
{
$lastday = $today - 1; //If we just rolled over to the next month, need to subtract 1 to get our $lastday
$cont = false; //This kicks us out of the while loop
}
$today++;
}


$day_num=date("j"); //If today is September 29, $day_num=29
$month_num = date("m"); //If today is September 29, $month_num=9
$year = date("Y"); //4-digit year
$date_today = getdate(mktime(0,0,0,$month_num,1,$year)); //Returns array of date info for 1st day of this month
$month_name = $date_today["month"]; //Example: "September" - to label the Calendar
$first_week_day = $date_today["wday"]; //"wday" is 0-6, 0 being Sunday. This is for day 1 of this month


$cont = true;
$today = 27; //The last day of the month must be >27, so start here
while (($today <= 32) && ($cont)) //At 32, we have to be rolling over to the next month
{
//Iterate through, incrementing $today
//Get the date information for the (hypothetical) date $month_num/$today/$year
$date_today = getdate(mktime(0,0,0,$month_num,$today,$year));
//Once $date_today's month ($date_today["mon"]) rolls over to the next month, we've found the $lastday
if ($date_today["mon"] != $month_num)
{
$lastday = $today - 1; //If we just rolled over to the next month, need to subtract 1 to get our $lastday
$cont = false; //This kicks us out of the while loop
}
$today++;
}

?>

<table cellspacing=0 cellpadding=5 frame='all' rules='all' style='border:#808080 1px solid;'>
<caption>$month_name $year</caption>
<tr align=left><th>Su</th><th>M</th><th>Tu</th><th>W</th><th>Th</th><th>F</th><th>Sa</th></tr>

<?php

$day = 1; //This variable will track the day of the month
$wday = $first_week_day; //This variable will track the day of the week (0-6, with Sunday being 0)
$firstweek = true; //Initialize $firstweek variable so we can deal with it first
while ( $day <= $lastday) //Iterate through all days of the month
{
if ($firstweek) //Special case - first week (remember we initialized $first_week_day above)
{
echo "<tr align=left>";
for ($i=1; $i<=$first_week_day; $i++)
{
echo "<td> </td>"; //Put a blank cell for each day until you hit $first_week_day
}
$firstweek = false; //Great, we're done with the blank cells
}
if ($wday==0) //Start a new row every Sunday
echo "<tr align=left>";


echo "<td";
if($day==$day_num) echo " bgcolor='yellow'"; //highlight TODAY in yellow
echo ">$day</td>";
if ($wday==6)
echo "</tr>"; //If today is Saturday, close this row

$wday++; //Increment $wday
$wday = $wday % 7; //Make sure $wday stays between 0 and 6 (so when $wday++ == 7, this will take it back to 0)
$day++; //Increment $day
}


while($wday <=6 ) //Until we get through Saturday
{
echo "<td> </td>"; //Output an empty cell
$wday++;
}
echo "</tr></table>";

?>