Vit

$teachers = Teachers::find()->with('disciplines')->all();

    <?php foreach ($teachers as $teacher): ?>
    <tr>
        <td><?= $teacher->FIO ?></td>
        <td>
             <ul>
                  <?php foreach ($teacher->disciplines as $d): ?>
                          <li><?php echo $d->name; ?></li>
                  <? endforeach;?>
            </ul>
        </td>
        <td><?= $teacher->classes_subject ?></td>
        <td><?= $teacher->lead_practice ?></td>
        <td><?= $teacher->lead_krb ?></td>
        <td><?= $teacher->lead_magist ?></td>
        <td><?= $teacher->ped_practices ?></td>
        <td><?= $teacher->job_gak ?></td>
        <td><?= $teacher->jobs_zav_kaf ?></td>
        <td><?= $teacher->lead_aspir ?></td>
    </tr>
    <?php endforeach; ?>