CODEWITHSUNDEEP
phpyii2
vishuB
vishuB

Reputation: 4261

yii2 add option group label in dropdown list

This is my dropdownlist like..

<?= $form->field($queModel, 'qm_category_id')->dropdownList(QuestionCategory::getQuestionCat()) ?>

This is getQuestionCat() function

public static function getQuestionCat()
{
    $dataTmp = self::find()->all();
    $result = yii\helpers\ArrayHelper::map($dataTmp, 'qc_id', 'qc_name', 'qcCourse.course_name');
    print_r($result); exit;
    return $result;
}

Above function return this array using ArrayHelper

enter image description here

show below image like..

enter image description here

In this dropdownlist the first <optgroup label=""> set to <optgroup label="Other">

Upvotes: 0

Views: 1762

Answers (1)

aderushev
aderushev

Reputation: 818

The map function accepts closures, so you could use the following:

$result = \yii\helpers\ArrayHelper::map($dataTmp, 'qc_id', 'qc_name', function($model) {
    if ($course_name = $model->qcCourse->course_name) {
        return $course_name;
    }
    else {
        return 'Other';
    }
});

Upvotes: 1

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