This article demonstrate different methods to create an active form with different input fields in Yii 2. Yii 2 provides  yii\widgets\ActiveForm class which is the best way to create forms based upon models. Another helper class  yii\helpers\Html used to generate different html input fields. The article mainly defines the methods to generate different input fields in Yii 2.

Note : The FieldName inside field() function specified the model fields (field names of database table or the variables defined in model).

The first step is to include both classes :

use yii\helpers\Html;
use yii\widgets\ActiveForm;

Create Form

There are two methods to open and close a form using yii\widgets\ActiveForm class.

• Initialize form

                                                OR

• Close form

Creating Input Fields

The methods to generate different input fields for example textbox, textarea, radio button etc is given below :

1. Text Input Field

• The simplest way to create a text input field is :

                                                 OR

                                                 OR

• Create text input with label and hint text :

2. Password Input Field

• The simplest way to create a password input field is :

                                                    OR

• Another way to create text input with label and hint text :

3. Creating TextArea

• With default label

• With custom label

• with other parameters

4. HTML 5 Email Field

5.  File Input Field

• For single file upload :

• For multiple file upload :

6. Radio Button

• With default label :

• With custom label :

• With label options :

Create radio group

7. Checkbox

• With default label

• With options

Creating Checkbox list

8. Dropdown(Select) list

• with prompt :

Creating Submit Button

Submit Button can be generated using submitButton() method of  Html helper class.