public function find($id)
 {
     $db = new data_base(tpl_department::department(), array("*"), array(tpl_department::id() => $id));
     $results = $db->get_where();
     if (!empty($results)) {
         return $results;
     } else {
         return false;
     }
 }
 public function ajax_find_students()
 {
     $db = new data_base(tpl_models::models(), array(tpl_models::id(), tpl_models::id_companies(), data_base::select_multiple_table(tpl_students::students(), tpl_students::students() . '.' . tpl_students::id(), tpl_models::models() . '.' . tpl_models::id_student(), tpl_students::first_name(), tpl_students::students() . '_' . tpl_students::first_name()), data_base::select_multiple_table(tpl_students::students(), tpl_students::students() . '.' . tpl_students::id(), tpl_models::models() . '.' . tpl_models::id_student(), tpl_students::last_name(), tpl_students::students() . '_' . tpl_students::last_name()), data_base::select_multiple_table(tpl_supervisor::supervisor(), tpl_supervisor::supervisor() . '.' . tpl_supervisor::id(), data_base::select_multiple_table(tpl_students::students(), tpl_students::students() . '.' . tpl_students::id(), tpl_models::models() . '.' . tpl_models::id_student(), tpl_students::id_supervisor()), tpl_supervisor::name(), tpl_supervisor::supervisor() . '_' . tpl_supervisor::name()), data_base::select_multiple_table(tpl_university::university(), tpl_university::university() . '.' . tpl_university::id(), data_base::select_multiple_table(tpl_students::students(), tpl_students::students() . '.' . tpl_students::id(), tpl_models::models() . '.' . tpl_models::id_student(), tpl_students::id_supervisor()), tpl_university::name(), tpl_university::university() . '_' . tpl_university::name()), data_base::select_multiple_table(tpl_college::college(), tpl_college::college() . '.' . tpl_college::id(), data_base::select_multiple_table(tpl_students::students(), tpl_students::students() . '.' . tpl_students::id(), tpl_models::models() . '.' . tpl_models::id_student(), tpl_students::id_supervisor()), tpl_college::name(), tpl_college::college() . '_' . tpl_college::name()), data_base::select_multiple_table(tpl_specialty::specialty(), tpl_specialty::specialty() . '.' . tpl_specialty::id(), data_base::select_multiple_table(tpl_students::students(), tpl_students::students() . '.' . tpl_students::id(), tpl_models::models() . '.' . tpl_models::id_student(), tpl_students::id_supervisor()), tpl_specialty::name(), tpl_specialty::specialty() . '_' . tpl_specialty::name()), data_base::select_multiple_table(tpl_department::department(), tpl_department::department() . '.' . tpl_department::id(), data_base::select_multiple_table(tpl_students::students(), tpl_students::students() . '.' . tpl_students::id(), tpl_models::models() . '.' . tpl_models::id_student(), tpl_students::id_supervisor()), tpl_department::name(), tpl_department::department() . '_' . tpl_department::name()), data_base::select_multiple_table(tpl_section::section(), tpl_section::section() . '.' . tpl_section::id(), data_base::select_multiple_table(tpl_students::students(), tpl_students::students() . '.' . tpl_students::id(), tpl_models::models() . '.' . tpl_models::id_student(), tpl_students::id_supervisor()), tpl_section::name(), tpl_section::section() . '_' . tpl_section::name())), array(tpl_models::id_companies() => $_GET['id']));
     echo json_encode($db->get_where());
 }
 public function count_department()
 {
     $db = new data_base(tpl_department::department(), array(tpl_department::id()), array(tpl_department::active() => 1));
     return count($db->get_where());
 }
 public function find_section()
 {
     if (isset($_POST[tpl_department::id() . "_" . tpl_department::department()])) {
         $id = $_POST[tpl_department::id() . "_" . tpl_department::department()];
         if (!empty($_POST[tpl_department::id() . "_" . tpl_department::department()])) {
             $db = new data_base(tpl_section::section(), array(tpl_section::id(), tpl_section::name()), array(tpl_section::active() => 1, tpl_section::id_department() => $id));
             $data = $db->get_where();
             $w = '<option></option>';
             foreach ($data as $row) {
                 $w = $w . '<option value="' . $row[tpl_section::id()] . '">' . $row[tpl_section::name()] . '</option>';
             }
             echo $w;
         } else {
             echo 'error';
             die;
         }
     } else {
         echo 'error';
         die;
     }
 }
echo tpl_companies::companies() . '_' . tpl_companies::id();
?>
"
                                class="form-control">

                        </select>
                    </div>

                    <div class="form-group department" style="display: none">
                        <label>Department : </label>
                        <select name="<?php 
echo tpl_department::department() . '_' . tpl_department::id();
?>
"
                                id="<?php 
echo tpl_department::department() . '_' . tpl_department::id();
?>
"
                                class="form-control">

                        </select>
                    </div>

                    <div class="form-group section" style="display: none">
                        <label>Section : </label>
                        <select name="<?php 
echo tpl_section::section() . '_' . tpl_section::id();
?>
"
                                id="<?php 
echo tpl_section::section() . '_' . tpl_section::id();
 public function get_all_section()
 {
     if (isset($_POST['id_department'])) {
         $id = $_POST['id_department'];
         if (!empty($id)) {
             $db = new data_base(tpl_section::section(), array(tpl_section::id(), tpl_section::name()), array(tpl_section::id_department() => $id, tpl_section::active() => 1));
             $data = $db->get_where();
             $w = '   <option></option>';
             foreach ($data as $row) {
                 $w = $w . '<option value="' . $row[tpl_department::id()] . '">' . $row[tpl_department::name()] . '</option>';
             }
             echo $w;
         } else {
             echo json_encode(array('valid' => false, 'title' => 'Oops !!', 'massage' => 'error empty'));
         }
     } else {
         echo json_encode(array('valid' => false, 'title' => 'Oops !!', 'massage' => 'error isset'));
     }
 }
            </div>
            <div class="modal-body">
                <form class="form" id="update_form" method="post"
                      action="<?php 
echo site_url('admin/' . tpl_department::department() . '/update');
?>
">

                    <div class="form-group">
                        <input type="hidden"
                               name="<?php 
echo tpl_department::department() . '_' . tpl_department::id() . '_update';
?>
"
                               id="<?php 
echo tpl_department::department() . '_' . tpl_department::id() . '_update';
?>
"/>
                    </div>

                    <div class="form-group">
                        <label for=""><?php 
echo tpl_department::name() . ' ' . tpl_department::department();
?>
 : </label>
                        <input type="text" class="form-control"
                               id="<?php 
echo tpl_department::department() . '_' . tpl_department::name() . '_update';
?>
"
                               name="<?php 
 public function find_department()
 {
     $db = new data_base(tpl_department::department(), array(tpl_department::id(), tpl_department::active(), tpl_department::name()), array(tpl_department::active() => 1));
     $data = $db->get_where();
     $w = '';
     foreach ($data as $row) {
         $w = $w . '<option value="' . $row[tpl_department::id()] . '">' . $row[tpl_department::name()] . '</option>';
     }
     return $w;
 }
 public function find_all_ajax()
 {
     $db = new data_base(tpl_trainer::trainer(), array(tpl_trainer::id(), tpl_trainer::status(), tpl_trainer::name(), data_base::select_multiple_table(tpl_department::department(), tpl_department::department() . '.' . tpl_department::id(), tpl_trainer::trainer() . '.' . tpl_trainer::id_department(), tpl_department::name(), tpl_department::department() . '_' . tpl_department::name()), data_base::select_multiple_table(tpl_section::section(), tpl_section::section() . '.' . tpl_section::id(), tpl_trainer::trainer() . '.' . tpl_trainer::id_section(), tpl_section::name(), tpl_section::section() . '_' . tpl_section::name()), data_base::select_multiple_table(tpl_companies::companies(), tpl_companies::companies() . '.' . tpl_companies::id(), tpl_trainer::trainer() . '.' . tpl_trainer::id_companies(), tpl_companies::name(), tpl_companies::companies() . '_' . tpl_companies::name())));
     echo json_encode($db->get());
 }
        <div class="col-sm-12">
            <h3 class="page-header">Models</h3>
            <div class="table-responsive">
                <table id="tpl_ajax_department" data-toggle="table"
                       data-url="<?php 
echo site_url('admin/home/ajax_models');
?>
"
                       data-cache="false" data-height="400" data-show-refresh="true" data-show-toggle="true"
                       data-show-columns="true" data-pagination="true" data-page-list="[5, 10, 20, 50, 100, 200]"
                       data-search="true" data-flat="true">
                    <thead>
                    <tr>
                        <th data-field="<?php 
echo tpl_department::id();
?>
" data-halign="center" data-sortable="true"> ID</th>
                        <th data-field="<?php 
echo tpl_students::students() . '_' . tpl_students::first_name();
?>
" data-halign="center" data-sortable="true"> Student Name
                        <th data-field="<?php 
echo tpl_companies::companies() . '_' . tpl_companies::name();
?>
" data-halign="center" data-sortable="true"> companies Name
                        <th data-field="<?php 
echo tpl_department::department() . '_' . tpl_department::name();
?>
" data-halign="center" data-sortable="true">department  Name
                        <th data-field="<?php