Untitled

<html>
    <form id='user' name='user' method='POST' action=<?php echo htmlentities($_SERVER['PHP_SELF']); ?>>
        Username:
          <input name="username" type="text" size="30" maxlength="30">
        Passwort:
          <input name="passwort" type="text" size="30" maxlength="40">
        Email:
          <input name="email" type="text" size="30" maxlength="40">

          <input type="submit" name="send" id="send" value="Senden" >

    </form>
</html>

<?php


    if ( isset ($_Post['username']) && isset ($_Post['passwort']) && isset ($_Post['email']) )
    {
        echo "ok";
    }

?>