PHP Event::get_all_exercise_results_by_course Examples

Example #1

File: exercise.lib.php Project: feroli1000/chamilo-lms

 /**
  * Get average score by score (NO Exercises in LPs )
  * @param    int    exercise id
  * @param    int    $courseId
  * @param    int    session id
  * @return    float    Average score
  */
 public static function get_average_score_by_course($courseId, $session_id)
 {
     $user_results = Event::get_all_exercise_results_by_course($courseId, $session_id, false);
     //echo $course_code.' - '.$session_id.'<br />';
     $avg_score = 0;
     if (!empty($user_results)) {
         foreach ($user_results as $result) {
             if (!empty($result['exe_weighting']) && intval($result['exe_weighting']) != 0) {
                 $score = $result['exe_result'] / $result['exe_weighting'];
                 $avg_score += $score;
             }
         }
         //We asume that all exe_weighting
         $avg_score = $avg_score / count($user_results);
     }
     return $avg_score;
 }