<!DOCTYPE html>
<html>
<body>
<?php
function draw_calendar($month, $year) {
// First day of the month
$first_day = mktime(0, 0, 0, $month, 1, $year);
// Number of days in the month
$days_in_month = date('t', $first_day);
// Day of the week the month starts on
$day_of_week = date('w', $first_day);
// Calendar header
$calendar = "<table border='0'>";
$calendar .= "<tr><th colspan='7'>" . date('F Y', $first_day) . "</th></tr>";
$calendar .= "<tr><th>Sun</th><th>Mon</th><th>Tue</th><th>Wed</th><th>Thu</th><th>Fri</th><th>Sat</th></tr><tr>";
// Fill the first row with empty cells if the month doesn't start on Sunday
if ($day_of_week > 0) {
$calendar .= str_repeat('<td></td>', $day_of_week);
}
// Fill the calendar with days
$current_day = 1;
while ($current_day <= $days_in_month) {
// Start a new row every Sunday
if ($day_of_week == 7) {
$day_of_week = 0;
$calendar .= "</tr><tr>";
}
$calendar .= "<td>$current_day</td>";
$current_day++;
$day_of_week++;
}
// Fill the last row with empty cells if the month doesn't end on Saturday
if ($day_of_week != 7) {
$calendar .= str_repeat('<td></td>', 7 - $day_of_week);
}
$calendar .= "</tr></table>";
return $calendar;
}
echo draw_calendar(2, 2025);
?></body>
</html>
