<form action="calen.php" method="get">
<select name="year">
<option value="2011">2011</option>
<option value="2012">2012</option>
<option value="2013">2013</option>
<option value="2014">2014</option>
</select>
<select name="month">
<option value="1">1</option>
<option value="2">2</option>
<option value="3">3</option>
<option value="4">4</option>
<option value="5">5</option>
<option value="6">6</option>
<option value="7">7</option>
<option value="8">8</option>
<option value="9">9</option>
<option value="10">10</option>
<option value="11">11</option>
<option value="12">12</option>
</select>
<input type="submit">
</form>
<?php
class Calen{
function Calen(){
if($_GET){
$this->select_year = $_GET["year"];
$this->select_month = $_GET["month"];
}else{
$this->select_year = date("Y");//年
$this->select_month = date("n");//月
}
}
function show_calender(){
$max_day = date("t",mktime(0,0,0,$this->select_month,1,$this->select_year));//最大日
print "$this->select_year"."年"."$this->select_month"."月";
print "<table border=\"1\">";
for($day = 1; $day <= $max_day; $day++){
$day_color = date("w",mktime(0,0,0,$this->select_month,$day,$this->select_year));//曜日にナンバーを取得
if($day_color == 0 || $day == 1){ //1日か0ならtrタグ開始
print "<tr>";
}
if($day == 1){
$i = 0;
$day_color = (int)$day_color;
while($day_color > 0){
print "<td> </td>";
$day_color--;
}
}
print "<td>".$day."</td>";
if($day_color == 6){ //6ならtrタグ終了
print "</tr>";
}
}
print "</table>";
//////////
}
}
$calender = new Calen();
$calender->show_calender();
?>
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