yii2: make checkbox to be checked
active-form, html, php, yii
Solution
I guess this checkbox will be checked only if `$model->order` property take `true` value and if it has `false` (`0` or `null` or `false` etc) value - field will be unchecked.
Problem
I am using Yii2 framework and I'd like to generate an html code like this ``` <input type="checkbox" id="queue-order" name="Queue[order]" value="1" checked> ``` in a view which uses ActiveForm. I've tried ``` echo $form->field($model, 'order') ->checkBox(['label' => ..., 'uncheck' => null, 'checked' => true]); ``` as well as ``` echo $form->field($model, 'order') ->checkBox(['label' => ..., 'uncheck' => null, 'checked' => 'checked']); ``` but desired string "checked" does not appear in the generated html code. Strangely enough, if I substitute "checked" with "selected" ``` echo $form->field($model, 'order') ->checkBox(['label' => ..., 'uncheck' => null, 'selected' => true]); ``` then generated html code contains attribute "selected": ``` <input type="checkbox" id="queue-order" name="Queue[order]" value="1" selected> ``` So, how can I generate html code for a checkbox with attribute "checked"?