Exemplo de modal para edição de registro com php

Registros.html

<table>
  <thead>
    <tr>
      <th>ID</th>
      <th>Nome</th>
      <th>Placa</th>
      <th></th>
    </tr>
  </thead>
  <tbody>
  <!--Teu laço-->
    <tr>
      <td><?php echo $row[vei_id]; ?></td>
      <td><?php echo $row[vei_nome]; ?></td>
      <td><?php echo $row[vei_placa]; ?></td>
      <td>
        <button class="btn btn-primary" data-toggle="modal" data-target="#myEditar_<?php echo $row[vei_id]; ?>">Editar</button>

        <!-- Modal  Edição de Registro -->
        <div class="modal fade" id="myEditar_<?php echo $row[vei_id]; ?>" tabindex="-1" role="dialog" aria-labelledby="myModalLabel" aria-hidden="true">
          <div class="modal-dialog">
            <div class="modal-content">
              <div class="modal-header">
                <button type="button" class="close" data-dismiss="modal" aria-hidden="true">&times;</button>
                <h4 class="modal-title" id="myModalLabel">Editar Registro</h4>
              </div>
              <div class="modal-body">
                <input type="text" class="form-control" value="<?php echo $row[vei_nome]; ?>" id="exampleInputEmail1" placeholder="Nome">
                <input type="text" class="form-control" value="<?php echo $row[vei_placa]; ?>" id="exampleInputEmail1" placeholder="Placa">
              </div>
              <div class="modal-footer">
                <button type="button" class="btn btn-default" data-dismiss="modal">Cancelar</button>
                <button type="button" class="btn btn-primary">Salvar</button>
              </div>
            </div>
          </div>
        </div>
      </td>
    </tr>
  </tbody>
</table>