<html>
<head>
<title>Sample01</title>
</head>
<body>
sample.php

<?php
$body = $_REQUEST["body"]."\n";
$fp = fopen("./data.txt","a");
fwrite($fp,$body);
fclose($fp);
?>
書き込み完了<br>
<a href="./data.txt" target="_blank">中身を見る</a><br>
<a href="./form.php">戻る</a>
</bady>
</html>