Doctrine listener - run action only if a field has changed

Question

How do I check if field has changed?

I'd like to trigger an action in preSave() only if specific field has changed, e.q.

public function preSave() {
    if ($bodyBefore != $bodyNow) {
         $this->html = $this->_htmlify($bodyNow);
    }
} 

The question is how to get this $bodyBefore and $bodyNow

Answer 1

Please don't fetch the database again! This works for Doctrine 1.2, I haven't tested lower versions.

// in your model class
public function preSave($event) {
  if (!$this->isModified())
    return;

  $modifiedFields = $this->getModified();
  if (array_key_exists('title', $modifiedFields)) {
    // your code
  }
}

Check out the documentation, too.