by Colin Matheson.
I was able to make a plugin to add a quiz to a course page
https://github.com/cytochromec/moodle-block-quizlet_import
The code that actually adds the quiz starts on line 234 of quizlet_import.php (pasted below)
| //create an object with all of the neccesary information to build a quiz |
| $myQuiz=newstdClass(); |
| $myQuiz->modulename='quiz'; |
| $myQuiz->name=$title; |
| $myQuiz->introformat=0; |
| $myQuiz->quizpassword=''; |
| $myQuiz->course=$id1; |
| $myQuiz->section=$sectionNum; |
| $myQuiz->timeopen=0; |
| $myQuiz->timeclose=0; |
| $myQuiz->timelimit=0; |
| $myQuiz->grade=$Points; |
| $myQuiz->sumgrades=$Points; |
| $myQuiz->gradeperiod=0; |
| $myQuiz->attempts=1; |
| $myQuiz->preferredbehaviour='deferredfeedback'; |
| $myQuiz->attemptonlast=0; |
| $myQuiz->shufflequestions=0; |
| $myQuiz->grademethod=1; |
| $myQuiz->questiondecimalpoints=2; |
| $myQuiz->visible=1; |
| $myQuiz->questionsperpage=1; |
| $myQuiz->introeditor=array('text'=>'A matching quiz','format'=>1); |
| //all of the review options |
| $myQuiz->attemptduring=1; |
| $myQuiz->correctnessduring=1; |
| $myQuiz->marksduring=1; |
| $myQuiz->specificfeedbackduring=1; |
| $myQuiz->generalfeedbackduring=1; |
| $myQuiz->rightanswerduring=1; |
| $myQuiz->overallfeedbackduring=1; |
| $myQuiz->attemptimmediately=1; |
| $myQuiz->correctnessimmediately=1; |
| $myQuiz->marksimmediately=1; |
| $myQuiz->specificfeedbackimmediately=1; |
| $myQuiz->generalfeedbackimmediately=1; |
| $myQuiz->rightanswerimmediately=1; |
| $myQuiz->overallfeedbackimmediately=1; |
| $myQuiz->marksopen=1; |
| $myQuiz->attemptclosed=1; |
| $myQuiz->correctnessclosed=1; |
| $myQuiz->marksclosed=1; |
| $myQuiz->specificfeedbackclosed=1; |
| $myQuiz->generalfeedbackclosed=1; |
| $myQuiz->rightanswerclosed=1; |
| $myQuiz->overallfeedbackclosed=1; |
| //actually make the quiz using the function from course/lib.php |
| $myQuiz2= create_module($myQuiz); |
| //print_object($myQuiz2); |
| //get the last added random short answer matching question (which will likely be the one we just added) |
| $result=$DB->get_records('question',array('qtype'=>'randomsamatch')); |
| $keys=array_keys($result); |
| $count=count($keys); |
| //add the quiz question |
| quiz_add_quiz_question($result[$keys[$count-1]]->id, $myQuiz2, $page=0, $maxmark=null); |