$form->bind($request->getParameter($form->getName())); 

// $form->bind(array_merge($request->getParameter($form->getName()), array('captcha' =>
// $request->getParameter('captcha')))); 

$this->widgetSchema['captcha'] = new sfWidgetCaptchaGD();
$this->validatorSchema['captcha'] = new sfCaptchaGDValidator();

12c12
<     return "<input type='text' name='captcha' value='".$context->getRequest()->getPostParameter('captcha')."' class='captcha' /> <a href='' onClick='return false' title='Reload image'><img src='$url?".time()."' onClick='this.src=\"$url?r=\" + Math.random() + \"&reload=1\"' border='0' class='captcha' /></a>";
---
>     return $this->renderTag('input', array_merge(array('type' => $this->getOption('type'), 'name' => $name, 'value' => $value), $attributes)) . link_to( image_tag("$url?".time(), array('raw_name' => true, 'border' => 0, 'onClick' => "this.src=\"$url?r=\" + Math.random() + \"&reload=1\"", 'class' => 'captcha')) ,'/',"class=captcha onClick='return false' title='Reload image'");

  force_new_captcha:          true       

symfony/user/sfUser/attributes: { symfony/user/sfUser/attributes: { captcha: '2813' } }

$this->form->bind($request->getParameter($this->form->getName())); 

//$this->form->bind( array_merge( $request->getParameter($this->form->getName()) , array('captcha' => $request->getParameter('captcha') ))) ;

 symfony/user/sfUser/attributes: { symfony/user/sfUser/attributes: { captcha: '8577' } }

<img src='$url?".time()."' onClick='this.src=\"$url?r=\" + Math.random() + \"&reload=1\"' border='0' class='captcha' /></a>

__("Reload image")

__(...) 

sfContext::getInstance()->getI18N()->__(...)

May 30 20:37:10 symfony [info] {sfPatternRouting} Match route "sf_captchagd" (/captcha) for /captcha with parameters array (  'module' => 'sfCaptchaGD',  'action' => 'GetImage',)
May 30 20:37:10 symfony [info] {sfFilterChain} Executing filter "sfRenderingFilter"
May 30 20:37:10 symfony [info] {sfFilterChain} Executing filter "sfExecutionFilter"
May 30 20:37:10 symfony [info] {sfCaptchaGDActions} Call "sfCaptchaGDActions->executeGetImage()"
May 30 20:37:10 symfony [info] 7723
May 30 20:37:10 symfony [info] {sfWebResponse} Send status "HTTP/1.1 200 OK"
May 30 20:37:10 symfony [info] {sfWebResponse} Send header "Content-Type: image/gif"
May 30 20:37:10 symfony [info] {sfWebDebugLogger} Configuration 16.68 ms (8)
May 30 20:37:10 symfony [info] {sfWebDebugLogger} Factories 78.38 ms (1)
May 30 20:37:10 symfony [info] {sfWebDebugLogger} Action "sfCaptchaGD/GetImage" 9.22 ms (1)
May 30 20:37:10 symfony [info] {sfWebResponse} Send content (0 o)
May 30 20:37:10 symfony [info] lalalal1
May 30 20:37:10 symfony [info] {sfWebDebugLogger} Configuration 16.68 ms (8)
May 30 20:37:10 symfony [info] {sfWebDebugLogger} Factories 78.38 ms (1)
May 30 20:37:10 symfony [info] {sfWebDebugLogger} Action "sfCaptchaGD/GetImage" 19.17 ms (2)
May 30 20:37:10 symfony [info] {sfWebDebugLogger} View "None" for "sfCaptchaGD/GetImage" 0.01 ms (1)
May 30 20:37:10 symfony [info] {sfWebResponse} Send content (0 o)

##other stuff

May 30 20:37:11 symfony [info] {sfWebResponse} Send header "Content-Type: text/html; charset=utf-8"
May 30 20:37:11 symfony [info] {sfWebDebugLogger} Configuration 9.36 ms (5)
May 30 20:37:11 symfony [info] {sfWebDebugLogger} Factories 76.36 ms (1)

#for some reason again finding the sf_captchagd route ...

May 30 20:37:12 symfony [info] {sfPatternRouting} Connect sfRoute "sf_guard_signin" (/login)
May 30 20:37:12 symfony [info] {sfPatternRouting} Connect sfRoute "sf_guard_signout" (/logout)
May 30 20:37:12 symfony [info] {sfPatternRouting} Connect sfRoute "sf_guard_password" (/request_password)
May 30 20:37:12 symfony [info] {sfPatternRouting} Connect sfRequestRoute "sf_captchagd" (/captcha)
May 30 20:37:12 symfony [info] {sfPatternRouting} Match route "sf_captchagd" (/captcha) for /captcha with parameters array (  'module' => 'sfCaptchaGD',  'action' => 'GetImage',)

<?php
class sfWidgetCaptchaGD extends sfWidgetForm
{
  protected function configure($options = array(), $attributes = array())
  {
  }

  public function render($name, $value = null, $attributes = array(), $errors = array())
  {
    $context = sfContext::getInstance();
    $url = $context->getRouting()->generate("sf_captchagd");
    $value = $context->getRequest()->getPostParameter('captcha');

    // if there exists a value for 'class'
    if (isset($attributes['class'])) {
      if (!strstr($attributes['class'], 'captcha')) {
        $attributes['class'] = empty($attributes['class']) ? 'captcha' : trim($attributes['class']) . ' captcha';
      }
    } else {
      $attributes['class'] = 'captcha';
    }

    $attributes = $attributes;
    return $this->renderTag('input', array_merge(array('type' => 'text', 'name' => $name, 'value' => $value), $attributes)) . "<a href='' onClick='return false' title='Reload image'><img src='$url?".time()."' onClick='this.src=\"$url?r=\" + Math.random() + \"&reload=1\"' border='0' class='captcha' /></a>";
  }
}