Riddler

$query_header_by_cat = $this->db->query("SELECT id, coloane FROM categories WHERE id='".$categorie."'");
$numrows_query_header_by_cat = $query_header_by_cat->num_rows();
$results_query_header_by_cat = $query_header_by_cat->result_array();

foreach ($results_query_header_by_cat as $header_td) {
    $cols_th = $header_td['coloane'];
    $rows_th = explode(',', $cols_th);
}

$query_content_by_cat = $this->db->query("SELECT id, id_categorie, $cols_th, status
                          FROM articles
                          WHERE CONCAT($rows_th[0], ' ', $rows_th[1])
                          LIKE '%$keyword%'
                          AND id_categorie='$categorie'
                        ");
$numrows_query_content_by_cat = $query_content_by_cat->num_rows();
$results_query_content_by_cat = $query_content_by_cat->result_array();

if ($numrows_query_content_by_cat > 0) {
  echo '
  <table class="table table-bordered">
   <thead>
    <tr>';
     foreach($rows_th as $values_th) {
    echo '<th>'.strtoupper(str_replace('_', ' ', $values_th)).'</th>';
     }
     print '<th>STATUS</th>';
     if ($access <= 3) {
       print '<th>ACTION</th>';
     }
     echo '
    </tr>
   </thead>
   <tbody>';
    foreach($results_query_content_by_cat as $values_td) {
    echo '<tr id="'.$values_td['id'].'">';
    for($i=0; $i < count($rows_th); $i++) {
        //print '<td id="'.$i.'">'.$values_td[''.$rows_th[$i].''].'</td>';
        //print '<td id="'.$i.'">integer: '.$i.' <br /> result: '.$rows_th[$i].'</td>';

       ///*
       if (is_string($values_td[''.$rows_th[$i].''])) {
          print '<td id="'.$i.'">Value found!!!</td>';
       } else {
          print '<td id="'.$i.'">No luck...</td>';
       }
       //*/
    }
    echo '<td>'.$values_td['status'].'</td>';
    if ($access <= 3) {
       switch ($values_td['status']) {
        default:
            print '<td>Eroare</td>\n';
        break;
        case 'assign':
            print '
            <td align="center">
             <a href="'.$this->config->item('base_url').'/action/info/'.$values_td['id'].'" class="btn btn-sm btn-info">Info</a>
             <a href="'.$this->config->item('base_url').'/action/take/'.$values_td['id'].'" class="btn btn-sm btn-danger">Preia</a>
                </td>';
        break;
        case 'available':
            print '
            <td align="center">
             <a href="'.$this->config->item('base_url').'/action/assign/'.$values_td['id'].'" class="btn btn-sm btn-success">Aloca</a>
            </td>';
        break;
       }
    }
    echo '</tr>';
    }
    echo '
   </tbody>
  </table>';
} else {
  echo '<div class="alert alert-danger">Nu am gasit <b>'.$keyword.'</b> in categoria selectata!</div>';
}