double_module.php

<?php

class Whatever extends Frontend
{
  public function getSomething( $aParam )
  {
    $template         = new FrontendTemplate( 'mod_something' );
    $template->aParam = $aParam;

    return $template->parse();
  }
}



class Blob extends Module
{
  protected $strTemplate = 'mod_blob';

  protected function compile()
  {
    $this->import( 'Whatever' );
    $this->Template->something = $this->Whatever->getSomething( 'hello something' );
  }
}



class Inscription extends Module
{
  protected generate()
  {
    $this->import( 'Whatever' );
    return $this->Whatever->getSomething( 'hello something' );
  }

  protected compile(){}
}