question_attempt_iterator Class Reference

Public Member Functions
	__construct (question_usage_by_activity $quba)
	current ()
	key ()
	next ()
	rewind ()
	valid ()
	offsetExists ($slot)
	offsetGet ($slot)
	offsetSet ($slot, $value)
	offsetUnset ($slot)
Protected Attributes
	$quba
	$slots

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Detailed Description

A class abstracting access to the question_usage_by_activity::$questionattempts array.

This class snapshots the list of question_attempts to iterate over when it is created. If a question is added to the usage mid-iteration, it will now show up.

To create an instance of this class, use question_usage_by_activity::get_attempt_iterator()

Copyright:

2009 The Open University http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later

Definition at line 740 of file questionusage.php.

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Constructor & Destructor Documentation

__construct

(

question_usage_by_activity $

quba

)

To create an instance of this class, use question_usage_by_activity::get_attempt_iterator().

Parameters:

$quba

the usage to iterate over.

Definition at line 751 of file questionusage.php.

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Member Function Documentation

current

(

)

Returns:

question_attempt_step

Definition at line 758 of file questionusage.php.

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key

(

)

Returns:

int

Definition at line 762 of file questionusage.php.

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next

(

)

Definition at line 765 of file questionusage.php.

offsetExists

(

$

slot

)

Returns:

bool

Definition at line 777 of file questionusage.php.

offsetGet

(

$

slot

)

Returns:

question_attempt_step

Definition at line 781 of file questionusage.php.

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offsetSet	(	$	slot,
		$	value
	)

Definition at line 784 of file questionusage.php.

offsetUnset

(

$

slot

)

Definition at line 788 of file questionusage.php.

rewind

(

)

Definition at line 768 of file questionusage.php.

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valid

(

)

Returns:

bool

Definition at line 772 of file questionusage.php.

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Field Documentation

$quba [protected]

Definition at line 742 of file questionusage.php.

$slots [protected]

Definition at line 744 of file questionusage.php.

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

• C:/xampp/htdocs/moodle/question/engine/questionusage.php