What is the extra hidden field for?

P

Pavel Gogolinsky2017-08-22 15:17:15

Yii

Pavel Gogolinsky, 2017-08-22 15:17:15

When generating $form->field()->radiolist(), in addition to the necessary inputs (type=radio), one hidden field with the same name is generated ( prntscr.com/gblpl4). What is it for? The same field appears if you generate a dropDownList.

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Lander, 2017-08-22
@gogolinsky

Here is my similar question.