FieldTextarea.inc.php

<?php
namespace PKP\components\forms;
class FieldTextarea extends Field {
   public $component = 'field-textarea';
 
   public $size;
 
   public function getConfig() {
      $config = parent::getConfig();
      if (isset($this->size)) {
         $config['size'] = $this->size;
      }
 
      return $config;
   }
}