it_kbsu_ru/pages/deportament.php

<?php
include $_SERVER['DOCUMENT_ROOT'] . "/core/db_provider.php";
include $_SERVER['DOCUMENT_ROOT'] . "/core/it_deportament.php";
include $_SERVER['DOCUMENT_ROOT'] . "/core/it_employee.php";

$itc = new ITDeportamentComtroller();
$iec = new ITEmployeeComtroller();

try {
    // $deportament = null;
    if (isset($_GET['deportament'])) {
        $deportament = $itc->get_all_by_id($_GET['deportament']);
        $list_employee = $iec->get_employee_by_deportament($deportament->id);
    } else exit();

    // var_dump($deportament);
} catch (PDOException $e) {
    exit();
}

?>

<div class='row' style='margin-bottom: 20px; padding: 20px;'>
    <div class='col-md-8 col-md-offset-2'>
        <h2><?= $deportament->name ?></h2>
        <br /><br /><br />
        <?php foreach ($list_employee as $employee) : ?>
            <b><?= $employee->position ?><br /><?= $employee->fio ?><br>
            <?php if ($employee->phone != NULL) : ?>
                Телефон: <?= $employee->phone ?><br></b>
            <?php endif ?>
        <hr style='clear: both;'>
        <?php endforeach ?>
    </div>
</div>