Kwarcek

vipok

Oct 22nd, 2019
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PHP 1.04 KB | None | 0 0
  1. //Chcę wyświetlić datę, przedmiot, imię i nazwiska uczniów
  2.  
  3.     <?php
  4.     $sql = "SELECT
  5.     l.date as 'date',
  6.     u.first_name as first_name,
  7.     u.last_name as last_name,
  8.     s.subject_name as subject_name
  9.     FROM sms_lessons l
  10.     JOIN sms_courses c ON c.id=l.course_id
  11.     JOIN sms_teachers t ON t.id=c.teacher_id
  12.     JOIN sms_users u ON u.id=t.user_id
  13.     JOIN sms_subjects s ON s.id=c.subject_id
  14.     WHERE l.date=:attendancedate AND c.subject_id=:subjectid AND t.id=:teacherid";
  15.  
  16.     $result = $pdo->prepare($sql);
  17.     $result->bindValue(':attendancedate', $attendance_date);
  18.     $result->bindValue(':subjectid', $subject_id);
  19.     $result->bindValue(':teacherid', $query_teacher_id);
  20.     $result->execute();
  21.     $row_count = $result->rowCount();
  22.     ?>
  23.  
  24. // sms_lessons --> id | date | visited | course_id
  25. // sms_courses --> id | student_id | subject_id | teacher_id
  26. // sms_subjects --> id | subject_name
  27. // sms_teachers --> id | user_id
  28. // sms_users --> id | first_name | last_name [...]
  29.  
  30. // Zamiast zwracać mi imię i nazwisko ucznia zwraca mi imię i nazwisko nauczyciela
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