6 uses of QUESTION_RANDOM in Quiz 7

QuizQuestion::saveRelationships in question_types/quiz_question/quiz_question.core.inc

Handle the add to quiz part of the quiz_question_form

quiz_questions_form_submit in ./quiz.admin.inc

Submit function for quiz_questions.

quiz_question_revision_actions_submit in question_types/quiz_question/quiz_question.pages.inc

Submit callback for the revision actions page

_quiz_add_hidden_questions in ./quiz.admin.inc

Adds all information about the hidden questions to the questions array.

_quiz_get_random_questions in ./quiz.module

Get an array list of random questions for a quiz.

_quiz_update_items in ./quiz.admin.inc

Update a quiz set of items with new weights and membership