button

<html>
<head>
<title></title>
</head>
<body>
<?PHP
if(isset($_POST['gomb']))
{
    echo $_POST['gomb']."<br>";
}
?>
<form action="" method="POST">
<button type="submit" value="id1" name="gomb">Valami</button>
<button type="submit" value="id2" name="gomb">Valami</button>
</form>
</body>
</html>