/** * Get the associated Courses object * * @param PropelPDO Optional Connection object. * @return Courses The associated Courses object. * @throws PropelException */ public function getCourses(PropelPDO $con = null) { if ($this->aCourses === null && $this->course_id !== null) { $c = new Criteria(CoursesPeer::DATABASE_NAME); $c->add(CoursesPeer::ID, $this->course_id); $this->aCourses = CoursesPeer::doSelectOne($c, $con); /* The following can be used additionally to guarantee the related object contains a reference to this object. This level of coupling may, however, be undesirable since it could result in an only partially populated collection in the referenced object. $this->aCourses->addUserQuestionTags($this); */ } return $this->aCourses; }