How can I set the selected value in dropDownList Yii
How can I set the selected value in the following statement
$form->dropDownList($model, 'pair', array("2"=>"2", "3"=>"3","4"=>"4", "5"=>"5","6"=>"6","7"=>"7", "8"=>"8", '9'=>'9', "10"=>"10", "11"=>"11", "12"=>"12", "13"=>"13", "14"=>"14", '15'=>'15', '20'=>'20', '25'=>'25', '30'=>'30', '35'=>'35', '40'=>'40' , '45'=>'45' , '50'=>'50', '55'=>'55'), array('class'=>'form-control', 'options' => array('4'=>array('selected'=>true)),))
