<?php

  session_start()

  $pdo = new PDO('mysql:host=localhost;dbname=web', 'webstuff', 'Schei// auf Pa$$w0rter!');
  $statement_auth_by_name = $pdo->prepare('SELECT authentication_salt, authentication_algorithm FROM users WHERE name=:name');


  $result_auth_by_name = $statement_auth_by_name->execute(array('name' => $_POST['name']));
  echo $statement_auth_by_name->queryString;


//  $result_name_by_auth = $Statement_name_by_auth->execute(array('authentication_string' => $authentication_string));
?>