<div class="form-group">
                        <label>companies <?php 
echo tpl_models::models();
?>
 : </label>
                        <select name="<?php 
echo tpl_models::models() . '_' . tpl_models::id_companies() . '_update';
?>
"
                                id="<?php 
echo tpl_models::models() . '_' . tpl_models::id_companies() . '_update';
?>
"
                                class="form-control">
                            <?php 
$new = new models_lib_ad();
echo $new->find_companies();
?>
                        </select>
                    </div>

                    <div class="form-group">
                        <label>department <?php 
echo tpl_models::models();
?>
 : </label>
                        <select name="<?php 
echo tpl_models::models() . '_' . tpl_models::id_department() . '_update';
?>
"
                                id="<?php 
 public function find_supervisor()
 {
     $lib = new models_lib_ad();
     $lib->find_supervisor();
 }