root/trunk/config/ProjectConfiguration.class.php

<?php
require_once dirname(__FILE__).'/../lib/vendor/symfony/lib/autoload/sfCoreAutoload.class.php';
sfCoreAutoload::register();

class ProjectConfiguration extends sfProjectConfiguration
{
  public function setup()
  {
    // Base forms configuration
    sfWidgetFormSchema::setDefaultFormFormatterName('div');
    sfValidatorBase::setRequiredMessage('This field is required.');
    sfValidatorBase::setInvalidMessage('The value provided is invalid.');

    // symfonians constants definition
    if (!defined('SYMFONIANS_MAIN_DOMAIN'))
    {
      $main_host = 'symfonians.dev'; // only used for CLI mode
      if (array_key_exists('HTTP_HOST', $_SERVER))
      {
        $host_parts = explode('.', $_SERVER['HTTP_HOST']);
        $main_host = implode('.', array($host_parts[count($host_parts) -2],
                                        $host_parts[count($host_parts) -1]));
      }
      define('SYMFONIANS_MAIN_DOMAIN', $main_host);
    }
  }

  public function getWebDir()
  {
    return sfConfig::get('sf_web_dir');
  }

  public function getUploadDir()
  {
    return sfConfig::get('sf_upload_dir');
  }

  public function getUploadDirName()
  {
    $t = explode('/', sfConfig::get('sf_upload_dir'));
    return (count($t) > 0) ? array_pop($t) : null;
  }
}