B. php / rolCheckboxes.php

<?php

require_once __DIR__ . "/Bd.php";

function rolCheckboxes()

{

 $bd = Bd::pdo();

 $lista =

  $bd->query("SELECT * FROM ROL ORDER BY ROL_ID")->fetchAll(PDO::FETCH_ASSOC);

 $render = "<legend>Roles</legend>";

 foreach ($lista as $modelo) {

  $id = htmlentities($modelo["ROL_ID"]);

  $descripcion = htmlentities($modelo["ROL_DESCRIPCION"]);

  $render .=

   "<p>

    <label style='display: flex'>

     <input type='checkbox' name='rolIds[]' value='$id'>

     <span>

      <strong style='display: block'>$id</strong>

      $descripcion

     </span>

    </label>

   </p>";

 }

 return $render;

}