This file defines the question attempt class, and a few related classes. More...

Classes
class	question_attempt
	Tracks an attempt at one particular question in a question_usage_by_activity. More...

class	question_attempt_reverse_step_iterator
	A variant of question_attempt_step_iterator that iterates through the steps in reverse order. More...

class	question_attempt_step_iterator
	A class abstracting access to the question_attempt::$states array. More...

class	question_attempt_steps_with_submitted_response_iterator
	A variant of question_attempt_step_iterator that iterates through the steps with submitted tries. More...

class	question_attempt_with_restricted_history
	This subclass of question_attempt pretends that only part of the step history exists. More...

Detailed Description

This file defines the question attempt class, and a few related classes.

@subpackage questionengine

Classes