/**
* Attaches another object to the object
* NB: You must have saved the object you want to attach before attaching
* it eg:
* <code>
* $post = MyActiveRecord::Create('Post');
* $post->populate( 'title'=>'New Post' );
* $post->save();
* $topic->attach('post');
* </code>
*
* @param object $obj the object you wish to attach
* @return boolean True on success. False on failure.
*/
public function attach(&$obj)
{
if ($this->id && $obj->id) {
return MyActiveRecord::Link($this, $obj);
} else {
trigger_error('MyActiveRecord::attach() - both objects must be saved before you can attach');
return false;
}
}