forms - Hide label for input field -

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i trying hide label specific field in _form.php without success.

i have tried couple of variation like, none working:

<?= $form->field($model, 'sample_text')->textarea('label'=>false) ?>

and alternate code:

<?= $form->field($model, 'sample_text')->textarea('label'=>'') ?>

what right approach hide label?

ok, found solution.

<?= $form->field($model, 'sample_text')->textarea()->label(false) ?>

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