Model:
Код: Выделить всё
...
[['uploadfirst', 'uploadsecond'], 'string', 'max'=>100, 'on'=>'save'],
[['uploadfirst', 'uploadsecond'], 'file', 'extensions' => ['png', 'jpg', 'gif'], 'mimeTypes' => ['image/png', 'image/jpg', 'image/jpeg'], 'on'=>'save'],
...
Код: Выделить всё
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</div>
<div class="box-body">
<div class="row">
<div class="col-xs-12 col-md-6">
<?= $form->field($model, 'uploadfirst')->fileInput() ?>
</div>
<div class="col-xs-12 col-md-6">
<?= $form->field($model, 'uploadsecond')->fileInput() ?>
</div>
</div>
...