chamilo-lms2/main/reports/modules/quiz.php

<?php

$reports_modules['quiz'] = array ();


function reports_modules_quiz_init() {
}

function reports_modules_quiz_init_forEachCourses($course_code, $course_id, $course_db) {
	global $reports_modules;

	$reports_modules_quiz_toolid = reports_getToolId(TOOL_QUIZ);

	array_push($reports_modules['quiz'],
	  array('keys_query' =>
		'select '.$course_id.' as course_id, '.
		$reports_modules_quiz_toolid.' as tool_id, '.
		'q.id as child_id, q.title as child_name, '.
		"'".$course_code."'".' as course_code from '.Database::get_course_table(TABLE_QUIZ_TEST).' q ',
		'values_query_function' => 'reports_modules_quiz_quizVal'));
}

/**
 * @todo fix the exe_cours_id field
 * @param $quiz
 * @param $key_id
 * @return array
 */

function reports_modules_quiz_quizVal($quiz, $key_id) {
	return array('type'=> 'sql', 'sql' =>
			'select '.$key_id.', exe_user_id as uid, '.
			'session_id, -1 as attempt, exe_result as score, '.
			REPORTS_PROGRESS_COMPLETED.' as progress, '.
			'exe_duration as time, exe_date as ts from '.
			Database::get_main_table(TABLE_STATISTIC_TRACK_E_EXERCICES).
			' where exe_cours_id = '."'".$quiz['course_code']."'".
			' and exe_exo_id='.$quiz['child_id']);
}