親フォルダ タブ 
<?php
require_once("settings.ppp");
require_once("html-head.ppp");
require_once("html-view.ppp");
?>

settings.ppp

<?php
// セッション
session_cache_limiter('nocache');
session_start();

// ブラウザに必要な情報
header("Content-type: text/html; charset=utf-8");

?>


html-head.ppp

<!DOCTYPE html>
<html lang="ja">
<head>
<meta content="width=device-width initial-scale=1.0 minimum-scale=1.0 maximum-scale=1.0 user-scalable=no" name="viewport">
<meta charset="UTF-8">
<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/twitter-bootstrap/4.1.1/css/bootstrap.css">
<title>タイトル</title>

<style>
#main {
	padding: 20px;
}

.left {
	display:inline-block;
	width: 80px;
	margin-bottom: 20px;
}

.right {
	display:inline-block;
}

</style>

<script>
</script>

</head>


html-view.ppp

<body>
<div class="alert alert-primary">ページ内タイトル</div>

<div id="main">
	<form method="post">

		<div>
			<div class="left">氏名</div>
			<div class="right">
				<input
					type="text"
					id="fld_name"
					name="fld_name"
					required>
			</div>
		</div>

		<div>
			<div class="left">フリガナ</div>
			<div class="right">
				<input
					type="text"
					id="fld_kana"
					name="fld_kana"
					required>
			</div>
		</div>

		<input class="btn btn-primary" type="submit" name="send" value="送信">

	</form>
</div>

<?php

print "<pre>";
print_r($_POST);
print "</pre>";

?>
</body>
</html>