@package: Questions

Method: Save Quiz Questions.

Method: This function sets a post_meta association for the various questions within the quiz.

Method: This function sets a post_meta association for the various questions within the quiz.

Method: This function updates the postmeta ‘question_order’ for legacy questions.

Method: Get Quiz Questions set by type.

Method: Process the _POST data on Quiz save. This function reformats the questions data array into the internally used format of this class.

Method: Public constructor for class.

Method: Iniitialize object vars.

Method: Load Quiz Questions.

Method: Build the ProQuiz question objects from the post_ids

Method: Sets the Quiz dirty flag and will force the questions to be reloaded from queries.

Method: Check if the quiz dirty flag is set.

Method: Clear the quiz dirty flag.

Method: Get the count of valid questions in quiz.