public function get_submission_by_id($id) {
        global $DB;

        // we intentionally check the workshopid here, too, so the workshop can't touch submissions
        // from other instances
        $authorfields      = user_picture::fields('u', null, 'authoridx', 'author');
        $gradeoverbyfields = user_picture::fields('g', null, 'gradeoverbyx', 'gradeoverby');
        $sql = "SELECT s.*, $authorfields, $gradeoverbyfields
                  FROM {workshop_submissions} s
            INNER JOIN {user} u ON (s.authorid = u.id)
             LEFT JOIN {user} g ON (s.gradeoverby = g.id)
                 WHERE s.example = 0 AND s.workshopid = :workshopid AND s.id = :id";
        $params = array('workshopid' => $this->id, 'id' => $id);
        return $DB->get_record_sql($sql, $params, MUST_EXIST);
    }
public function get_submission_by_id($id) {
        global $DB;

        // we intentionally check the workshopid here, too, so the workshop can't touch submissions
        // from other instances
        $authorfields      = user_picture::fields('u', null, 'authoridx', 'author');
        $gradeoverbyfields = user_picture::fields('g', null, 'gradeoverbyx', 'gradeoverby');
        $sql = "SELECT s.*, $authorfields, $gradeoverbyfields
                  FROM {workshop_submissions} s
            INNER JOIN {user} u ON (s.authorid = u.id)
             LEFT JOIN {user} g ON (s.gradeoverby = g.id)
                 WHERE s.example = 0 AND s.workshopid = :workshopid AND s.id = :id";
        $params = array('workshopid' => $this->id, 'id' => $id);
        return $DB->get_record_sql($sql, $params, MUST_EXIST);
    }
public function get_submission_by_id ( $ id ) { global $ DB ; // we intentionally check the workshopid here, too, so the workshop can't touch submissions // from other instances $ authorfields = user_picture :: fields ( 'u' , null , 'authoridx' , 'author' ) ; $ gradeoverbyfields = user_picture :: fields ( 'g' , null , 'gradeoverbyx' , 'gradeoverby' ) ; $ sql = "SELECT s.*, $authorfields, $gradeoverbyfields
                  FROM {workshop_submissions} s
            INNER JOIN {user} u ON (s.authorid = u.id)
             LEFT JOIN {user} g ON (s.gradeoverby = g.id)
                 WHERE s.example = 0 AND s.workshopid = :workshopid AND s.id = :id" ; $ params = array ( 'workshopid' => $ this -> id , 'id' => $ id ) ; return $ DB -> get_record_sql ( $ sql , $ params , MUST_EXIST ) ; }
Returns a submission record with the author's data

@param int $id submission id
@return stdclass
Returns a submission record with the author s data