root/plugins/nahoClassHelpersPlugin/lib/nahoClassHelpersApplicationConfiguration.php

<?php

class nahoClassHelpersApplicationConfiguration extends sfApplicationConfiguration
{
  
  /**
   * @var nahoClassHelpersLoaderInterface
   */
  protected $loader = null;
  
  /**
   * Supports helpers as classes (new flavour) or as functions (old way).
   *
   * @see sntLoader
   * 
   * @param array $helpers
   * @param string $moduleName
   * @param boolean $oldWayOnly
   */
  public function loadHelpers($helpers, $moduleName = '', $oldWayOnly = false)
  {
    if ($oldWayOnly) 
    {
      parent::loadHelpers($helpers, $moduleName);
    } 
    else 
    {
      if (is_null($this->loader))
      {
        $loaderClass = sfConfig::get('app_nahoClassHelpersPlugin_loader', 'nahoClassHelpersLoader');
        $generatorClass = sfConfig::get('app_nahoClassHelpersPlugin_generator', 'nahoClassHelpersGenerator');
        
        $this->loader = new $loaderClass($this, new $generatorClass());
      }
      
      if (!is_array($helpers))
      {
        $helpers = array($helpers);
      }
      
      $this->loader->loadHelpers($helpers, $moduleName);
    }
  }
  
}