html bilen birisi?

echo'
        <div class="col-lg-12">

          <div class="card">
            <div class="card-body">
              <h5 class="card-title">'.$sayfa.'</h5>

              <!-- Vertical Form -->
              <form class="row g-3" action="birim.php?ck=kayit" method="POST">
              <input name="ck" type="hidden" class="form-control" value="'.$ck.'" required >
                <div class="col-12"><label for="inputNanme4" class="form-label">Cookie</label>
                <input name="birim_adi" type="text" class="form-control" placeholder="Eklentiden edindiğiniz cookie bilgisini buraya giriniz." required></div>




               <div class="text-center">
                  <button type="submit" class="btn btn-primary">Kayıt</button>
                  <button type="reset" class="btn btn-secondary">Temizle</button>
                </div>
              </form><!-- Vertical Form -->

            </div>
          </div>
        </div>
';