public function actionDarsJadvali()
 {
     $keys = array_keys($_GET);
     $group_id = (int) $keys[0];
     $days = Day::model()->findAll();
     $weeks = Day::forMegalka();
     $toq = $weeks[0];
     $juft = $weeks[1];
     $dgsts = [];
     foreach ($days as $day) {
         $dgsts[$day->id] = Dgst::model()->findAllByAttributes(['group_id' => $group_id, 'day_id' => $day->id]);
     }
     $this->renderPartial('_dars_jadvali', ['days' => $days, 'dgsts' => $dgsts, 'toq' => $toq, 'juft' => $juft]);
 }
	<div class="row">
		<?php 
echo $form->label($model, 'room');
?>
		<?php 
echo $form->textField($model, 'room', array('size' => 10, 'maxlength' => 10));
?>
	</div>

	<div class="row">
		<?php 
echo $form->label($model, 'megalka');
?>
		<?php 
echo $form->dropDownList($model, 'megalka', Dgst::megalka());
?>
	</div>

	<div class="row">
		<?php 
echo $form->label($model, 'teacher2_id');
?>
		<?php 
echo $form->dropDownList($model, 'teacher2_id', Teacher::teachers());
?>
	</div>

	<div class="row buttons">
		<?php 
echo CHtml::submitButton('Search');
 /**
  * Returns the data model based on the primary key given in the GET variable.
  * If the data model is not found, an HTTP exception will be raised.
  * @param integer $id the ID of the model to be loaded
  * @return Dgst the loaded model
  * @throws CHttpException
  */
 public function loadModel($id)
 {
     $model = Dgst::model()->findByPk($id);
     if ($model === null) {
         throw new CHttpException(404, 'The requested page does not exist.');
     }
     return $model;
 }
<?php

/* @var $this DgstController */
/* @var $model Dgst */
$this->breadcrumbs = array('Dgsts' => array('index'), 'Manage');
$this->menu = array(array('label' => 'List Dgst', 'url' => array('index')), array('label' => 'Create Dgst', 'url' => array('create')));
Yii::app()->clientScript->registerScript('search', "\n\$('.search-button').click(function(){\n\t\$('.search-form').toggle();\n\treturn false;\n});\n\$('.search-form form').submit(function(){\n\t\$('#dgst-grid').yiiGridView('update', {\n\t\tdata: \$(this).serialize()\n\t});\n\treturn false;\n});\n");
?>

<h1>Manage Dgsts</h1>

<p>
You may optionally enter a comparison operator (<b>&lt;</b>, <b>&lt;=</b>, <b>&gt;</b>, <b>&gt;=</b>, <b>&lt;&gt;</b>
or <b>=</b>) at the beginning of each of your search values to specify how the comparison should be done.
</p>

<?php 
echo CHtml::link('Advanced Search', '#', array('class' => 'search-button'));
?>
<div class="search-form" style="display:none">
<?php 
$this->renderPartial('_search', array('model' => $model));
?>
</div><!-- search-form -->

<?php 
$this->widget('zii.widgets.grid.CGridView', array('id' => 'dgst-grid', 'dataProvider' => $model->search(), 'filter' => $model, 'columns' => array('id' => ['name' => 'id', 'htmlOptions' => ['width' => 30]], 'day_id' => ['name' => 'day_id', 'value' => '$data->day->name', 'filter' => Day::days()], 'group_id' => ['name' => 'group_id', 'value' => '$data->group->name', 'filter' => Group::groups()], 'subject_id' => ['name' => 'subject_id', 'value' => '$data->subject->name', 'filter' => Subject::subjects()], 'teacher_id' => ['name' => 'teacher_id', 'value' => '$data->teacher->fio', 'filter' => Teacher::teachers()], 'para' => ['name' => 'para', 'filter' => Dgst::para()], 'megalka' => ['name' => 'megalka', 'filter' => Dgst::megalka()], 'teacher2_id' => ['name' => 'teacher2_id', 'value' => '$data->teacher->fio', 'filter' => Teacher::teachers()], array('class' => 'CButtonColumn'))));