select from model

select_from_model.php

<?php

<?php defined('SYSPATH') or die('No direct script access.');

class Form extends Kohana_Form{

  public static function select_from_model($name, array $collection, array $config = null , $selected = NULL, array $attributes = NULL)
  {

    $base_config = array(
      'empty' => false,
      'value' => 'id',
      'text'  => 'name'
    );

    $config = array_merge(
      $base_config,
      $config
    );

    if($config['empty']){
      $options[''] = $config['empty'];
    }

    foreach ($collection as $option) {
      $options[$option->$config['value']] = $option->$config['text'];
    }

    return Form::select($name, $options, $selected, $attributes);

  }

} // End form

?>

<?php 
  echo Form::select_from_model(
    'state_id',
    State::all(), 
    array(
      'empty' => 'selecione',
      'text' => 'alias'
    ), 
    $benefit->state_id,
    array(
      'id'    => 'benefit_state_id', 
      'class' => 'input-xlarge'
    )
  ); 
    ?>