snippet.html

  /**
   * #test retrieveBy
   * <code>
   * #ok($t = TagPeer::retrieveBy('slug', 'culture'));
   * #is($t->getSlug(), 'culture');
   * #is($t = TagPeer::retrieveBy('slug', 'culturecult23') ,NULL);
   * </code>
   */
  public static function getCriteria($c=null)
  {
    if (! $c) {
      $c = new Criteria;
      $c->add(self::DELETED_AT, null);
    }
    return $c;
  }

  public static function retrieveBy($col, $value)
  {
    static $ref;
    if (! $ref) {
      $ref = new ReflectionClass(__CLASS__);
    }

    $c = self::getCriteria();
    $c->add($ref->getConstant(strtoupper($col)), $value);
    return self::doSelectOne($c);
  }