question_attempt_step_iterator Class Reference

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

Inheritance diagram for question_attempt_step_iterator:

Public Member Functions
	__construct (question_attempt $qa)
	Do not call this constructor directly. More...
	current ()
	key ()
	next ()
	offsetExists ($i)
	offsetGet ($i)
	offsetSet ($offset, $value)
	offsetUnset ($offset)
	rewind ()
	valid ()

Protected Attributes
integer	$i
	records the current position in the iteration.
question_attempt	$qa
	the question_attempt being iterated over.

Detailed Description

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

This is actively linked to question_attempt. If you add an new step mid-iteration, then it will be included.

Copyright

2009 The Open University

License

http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later

Constructor & Destructor Documentation

__construct()

question_attempt_step_iterator::__construct

(

question_attempt

$qa

)

Do not call this constructor directly.

Use question_attempt::get_step_iterator().

Parameters

question_attempt

$qa

the attempt to iterate over.

Reimplemented in question_attempt_steps_with_submitted_response_iterator.

Member Function Documentation

current()

question_attempt_step_iterator::current

(

)

Return values

question_attempt_step

Reimplemented in question_attempt_steps_with_submitted_response_iterator.

key()

question_attempt_step_iterator::key

(

)

Return values

int

Reimplemented in question_attempt_steps_with_submitted_response_iterator.

offsetExists()

question_attempt_step_iterator::offsetExists

(

$i

)

Return values

bool

Reimplemented in question_attempt_steps_with_submitted_response_iterator.

offsetGet()

question_attempt_step_iterator::offsetGet

(

$i

)

Return values

question_attempt_step

Reimplemented in question_attempt_steps_with_submitted_response_iterator.

valid()

question_attempt_step_iterator::valid

(

)

Return values

bool

Reimplemented in question_attempt_steps_with_submitted_response_iterator.

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The documentation for this class was generated from the following file:

• question/engine/questionattempt.php