</div>
<div class="form-group">
<label>Birth Day</label>
<input class="form-control" name="birthdate" value="<?php
echo $teacher->birthdate;
?>
">
</div>
<div class="form-group">
<label>Department</label>
<select name="department" class="form-control">
<?php
$teacher->teacherDepartmentData($teacher->department_id);
?>
<option value="<?php
echo $teacher->department_id;
?>
"><?php
echo $teacher->d_name;
?>
</option>
<?php
foreach ($teacher->teacherDepartment() as $a) {
?>
<option value="<?php
echo $a['department_id'];
?>