<?php 
  function unbindModelAll()
  {
    $unbind = array();
    foreach ($this->belongsTo as $model=>$info)
    {
      $unbind['belongsTo'][] = $model;
    }
    foreach ($this->hasOne as $model=>$info)
    {
      $unbind['hasOne'][] = $model;
    }
    foreach ($this->hasMany as $model=>$info)
    {
      $unbind['hasMany'][] = $model;
    }
    foreach ($this->hasAndBelongsToMany as $model=>$info)
    {
      $unbind['hasAndBelongsToMany'][] = $model;
    }
    parent::unbindModel($unbind);
  }
?>