\frametitle{Realisation}
  \lstset{language=PHP}
    \begin{lstlisting}
        <nav class="nav">
          <label class="h5">Willkommen :
            <a href="profile.php">
              <span class="profile-link"><?php print($userRow['benutzer_name']);?></span>
            </a>
            auf der businessstreamline Website!
          </label>
          <hr />
          <h1>
            </label>
              <a href="suche.php">
                <span class="menu">
                </span> suchen
              </a>
            </label>
             &nbsp;
            <label>
              <a href="erfassen.php">
                <span class="menu">
                </span> erfassen
              </a>
            </label>
            &nbsp;
            <label>
              <a href="profile.php">
                <span class="menu">
                </span> profile
              </a>
            </label>
             &nbsp;
            <label>
              <a href="logout.php?logout=true">
                <i class="menu"></i> logout
              </a>
            </label>
          </h1>
          <hr />
        </nav>
   \end{lstlisting}