/** * Clears the current object, sets all attributes to their default values and removes * outgoing references as well as back-references (from other objects to this one. Results probably in a database * change of those foreign objects when you call `save` there). */ public function clear() { if (null !== $this->aCourse) { $this->aCourse->removeEngagement($this); } if (null !== $this->aProfessor) { $this->aProfessor->removeEngagement($this); } if (null !== $this->aSubject) { $this->aSubject->removeEngagement($this); } if (null !== $this->aSchoolYear) { $this->aSchoolYear->removeEngagement($this); } $this->professor_id = null; $this->subject_id = null; $this->course_id = null; $this->school_year_id = null; $this->created_at = null; $this->updated_at = null; $this->alreadyInSave = false; $this->clearAllReferences(); $this->resetModified(); $this->setNew(true); $this->setDeleted(false); }