投稿データを取得できません
<?php
header("Content-type:text/html;charset=utf-8");
echo <<<'FROM'
< from action="" method="post">
整数を入力してください:
<input type="number" name="num">
<input type="submit" value ="送信">
</from>
FROM;
echo isset($_POST['num']);
<?php
header("Content-type:text/html;charset=utf-8");
echo <<<'FROM'
< from action="" method="post">
整数を入力してください:
<input type="number" name="num">
<input type="submit" value ="送信">
</from>
FROM;
echo isset($_POST['num']);
