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<?php |
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/* For license terms, see /license.txt */ |
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/** |
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* Additional functions for the Extended Question Pool plugin. |
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* |
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* @package chamilo.plugin.extendedquestionpool |
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* |
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* @author Nosolored <[email protected]> |
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*/ |
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/** |
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* Get the number of occurrences of a question in quizzes |
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* @param int $questionId |
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* @return int |
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*/ |
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function getQuestionOcurrences($questionId) { |
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$questionQuizTable = 'c_quiz_rel_question'; |
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if (empty($questionId)) { |
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return false; |
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} |
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$query = "SELECT count(iid) as nbr FROM $questionQuizTable |
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WHERE question_id = '$questionId'"; |
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$q = Database::query($query); |
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$row = Database::fetch_assoc($q); |
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$res = $row['nbr']; |
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return $res; |
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} |
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/** |
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* Get the number of failures answers of a question in quizzes |
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* @param int $questionId |
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* @param int $c_id course id |
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* @return int |
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*/ |
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function getQuestionFailures($questionId, $c_id = 0) |
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{ |
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$attemptTable = 'track_e_attempt'; |
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if (empty($questionId)) { |
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return false; |
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} |
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$query = "SELECT count(id) as nbr FROM $attemptTable |
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WHERE question_id = '$questionId' |
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AND marks <= 0"; |
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if (!empty($c_id)) { |
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$query .= " AND c_id='$c_id'"; |
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} |
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$q = Database::query($query); |
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$row = Database::fetch_assoc($q); |
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$res = $row['nbr']; |
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return $res; |
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} |
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/** |
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* Get the number of successes answers of a question in quizzes |
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* @param int $questionId |
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* @param int $c_id course id |
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* @return int |
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*/ |
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function getQuestionSuccesses($questionId, $c_id = 0) |
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{ |
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$attemptTable = 'track_e_attempt'; |
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if (empty($questionId)) { |
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return false; |
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} |
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$query = "SELECT count(id) as nbr FROM $attemptTable |
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WHERE question_id = '$questionId' |
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AND marks > 0"; |
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if (!empty($c_id)) { |
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$query .= " AND c_id='$c_id'"; |
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} |
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$q = Database::query($query); |
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$row = Database::fetch_assoc($q); |
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$res = $row['nbr']; |
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return $res; |
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} |
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/** |
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* Sort array by column |
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* @param array $data |
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* @param string $col |
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* @param bool $asc |
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* @return array |
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*/ |
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function sortByCol(array $data, string $col, bool $asc = true): array { |
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usort($data, function ($a, $b) use ($col, $asc) { |
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if (!isset($a[$col]) || !isset($b[$col])) { |
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return 0; // column doesn't exist, nothing to sort |
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} |
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if ($a[$col] == $b[$col]) { |
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return 0; |
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} |
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if ($asc) { |
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return (strip_tags($a[$col]) < strip_tags($b[$col])) ? -1 : 1; |
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} else { |
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return (strip_tags($a[$col]) > strip_tags($b[$col])) ? -1 : 1; |
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} |
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}); |
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return $data; |
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} |
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/** |
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* Get answer options for a question |
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* @param int $questionId |
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* @return string |
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*/ |
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function getQuestionAnswers(int $questionId) { |
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$table = Database::get_course_table(TABLE_QUIZ_ANSWER); |
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if (empty($questionId)) { |
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return false; |
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} |
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$res = ''; |
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$query = "SELECT * FROM $table WHERE question_id=$questionId ORDER BY position"; |
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$result = Database::query($query); |
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while ($row = Database::fetch_assoc($result)) { |
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$c = '- '; |
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if ($row['correct'] == 1) { |
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$c = '# '; |
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} |
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$answer = html_entity_decode(strip_tags($row['answer'])); |
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$res .= $c.$answer.chr(13).chr(10); |
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} |
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return $res; |
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} |
chamilo /
chamilo-lms
