将php表单输入写入txt文件

<form action="write.php" method="post">
  <label for="name">姓名：</label>
  <input type="text" id="name" name="name"><br><br>
  <label for="email">邮箱：</label>
  <input type="email" id="email" name="email"><br><br>
  <input type="submit" value="提交">
</form>

<?php
$name = $_POST['name'];
$email = $_POST['email'];

$file = fopen("data.txt", "a"); // 打开txt文件，以追加模式写入
fwrite($file, "姓名: " . $name . "\n");
fwrite($file, "邮箱: " . $email . "\n\n");
fclose($file);

echo "表单数据已成功写入txt文件！";
?>