CURD (Read) Tabel USER

<?php
$kdb = koneksidatabase();
curd_read();

function curd_read()
{

  $hasil = sql_select();
  $i=1;
  ?>
<!--Rubah HTML Menampilkan datanya serta pemanggilan fungsi php nya-->
  <H3> MASTER DATA USER AKUN  </H3>
  <a href="#" class="btn btn-default btn-xs">CREATE</a>
  <table border="1" cellpadding="10" cellspacing="0" >
  <tr>
  <td>No</td>
  <td>ID</td>
  <td>Username</td>
  <td>Publish</td>
  <td>Aksi</td>
  </tr>
  <?php
  while($baris = mysqli_fetch_array($hasil))
  {
  ?>
  <tr>
  <td><?php echo $i; ?></td>
  <td><?php echo $baris['iduser']; ?></td>
  <td><?php echo $baris['nmuser']; ?></td>
  <td><?php echo $baris['publish']; ?></td>
  <td>
    <a href="#" class="btn btn-default btn-xs">UPDATE</a>
    <a href="#" class="btn btn-default btn-xs">DELETE</a>
  </td>
  </tr>
  <?php
   $i++;
  }
  ?>
  </table>
   <?php
  mysqli_free_result($hasil);
}

function koneksidatabase()
{
    include('../koneksi/koneksi.php');
    return $kdb;
}

//Rubah fungsi untuk memamanggil ke tabel user
function sql_select()
{
  global $kdb;
  $sql = " select * from user ";
  $hasil = mysqli_query($kdb, $sql) or die(mysql_error());
  return $hasil;
}
?>