<?= $form->field($model, 'body')->widget(CKEditor::className(), [
  'editorOptions' =>
      ElFinder::ckeditorOptions('elfinder',['preset' => 'backend']),
  ]) ?><?= $form->field($model, 'body')->widget(
    CKEditor::className(),
    [
                    'options' => ['rows' => 6],
                    'clientOptions' => [
                        'fullPage' => true,
                        'extraPlugins' => 'docprops',
                        'allowedContent' => true,
                    ]
                ]
            ) ?>