public function getErrors() { $errors = array(); if (!$this->primary_key_value) { $res = Relationship::getRelationship($this->props['u_id1'], $this->props['u_id2']); if ($res) { $errors['u_id1'] = "Pair already exists"; } } return $errors; }
function getRelationship($my_id, $other_id) { return Relationship::getRelationship($my_id, $other_id); }