<?php
// Set up the variables (today, month, year, cmd)
// today = m/d/y
function setvars() {
// Default is today
$today = getdate();
$month = $today['mon'];
$year = $today['year'];
$today = $month."/".$today['mday']."/".$year;
// Return vars in an array
return array("today" => $today,
"month" => $month,
"year" => $year);
} // End setvars()
// Do the document header
function docheader($month,$year) {
$month_text = date("F",strtotime($month."/1/".$year));
// If content header has not been sent,
// send it
if (!headers_sent()) {
header('Content-type: text/html');
}
// Print the document header (up to first date row)
print <<<HTML
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1.dtd">
<html>
<head>
<title>Calendar - $Month $Year</title>
<style type="text/css">
tr.weekdays td { width: 100px;
text-align: center;
}
tr.week td { width: 100px;
height: 100px;
color: black; }
</style>
</head>
<body>
<table border="1">
<!-- Controls and calendar title (month) -->
<tr>
<td colspan="7" align="center">
<strong>
$month_text $year
</strong>
</td>
</tr>
<!-- Day of week header row -->
<tr class="weekdays">
<th>Sunday</th>
<th>Monday</th>
<th>Tuesday</th>
<th>Wednesday</th>
<th>Thursday</th>
<th>Friday</th>
<th>Saturday</th>
</tr>
<!-- Calendar (days) start here -->
HTML;
} // End docheader()
// Do the document footer (close tags, end doc)
function docfooter() {
print <<<HTML
<!-- Close all open tags, end document -->
</table>
</body>
</html>
HTML;
} // End docfooter()
// Print an empty day (cell)
function emptyday() {
print <<<HTML
<td align="right" valign="top"> </td>
HTML;
} // End emptyday()
// Print a day cell
function day($today,$month,$day,$year) {
$curday = $month."/".$day."/".$year;
if ($curday == $today) {
$font = " style=\"color: red;\"";
} else {
$font = "";
}
print <<< HTML
<td align="right" valign="top" $font>$day</td>
HTML;
} // End day()
// Open or close a row
function weekrow($cmd) {
switch ($cmd) {
case "open":
print "<tr class=\"week\">\n";
break;
case "close":
print "</tr>\n";
break;
}
} // End weekrow()
// Main program body
function main() {
// Set the date vars
$vars = setvars();
$today = $vars['today'];
$month = $vars['month'];
$year = $vars['year'];
// Do the header and open first row
docheader($month,$year);
weekrow("open");
// Set up first weekday and 1st day (m/1/y)
$first_weekday = date("w",strtotime($month."/1/".$year)) + 1;
$day = 1;
// Print empty days up to the first weekday of month
for ($weekday = 1; $weekday < $first_weekday; $weekday++) {
emptyday();
}
// Do rest of month while we have a valid date
while (checkdate($month,$day,$year)) {
// If SUN, open the row
if ($weekday == 1) {
weekrow("open");
}
// Print day and increment
day($today,$month,$day,$year);
$weekday++;
$day++;
// If SAT, close row reset weekday
if ($weekday > 7) {
weekrow("close");
$weekday = 1;
}
}
// Close current week
while ($weekday != 1 && $weekday <= 7) {
emptyday();
$weekday++;
}
// Close document
docfooter();
} // End main();
// Kick it all off
main();
?>