親フォルダ 
<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>