Collaboration diagram for ilTestShuffler:

Public Member Functions
	__construct (protected Refinery $refinery)

	getAnswerShuffleFor (int $question_id, int $active_id, int $pass_id)

Data Fields
const	FIXED_SHUFFLER_SEED_MIN_LENGTH = 8

Protected Member Functions
	buildFixedShufflerSeed (int $question_id, int $pass_id, int $active_id)

Detailed Description

Definition at line 29 of file class.ilTestShuffler.php.

Constructor & Destructor Documentation

◆ __construct()

ilTestShuffler::__construct ( protected Refinery $refinery )

Definition at line 33 of file class.ilTestShuffler.php.

35 {

36 }

Member Function Documentation

◆ buildFixedShufflerSeed()

ilTestShuffler::buildFixedShufflerSeed	(	int	$question_id,
		int	$pass_id,
		int	$active_id
	)

protected

Definition at line 47 of file class.ilTestShuffler.php.

Referenced by getAnswerShuffleFor().

                                                                                              : int
     {
         $seed = ($question_id + $pass_id) * $active_id;
         if (is_float($seed) && is_float($seed = $active_id + $pass_id)) {
             $seed = $active_id;
         }
 
         $div = ceil((10 ** (self::FIXED_SHUFFLER_SEED_MIN_LENGTH - 1)) / $seed);
         if ($div > 1) {
             $seed = $seed * ($div + $seed % 10);
         }
         return (int) $seed;
     }

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◆ getAnswerShuffleFor()

ilTestShuffler::getAnswerShuffleFor	(	int	$question_id,
		int	$active_id,
		int	$pass_id
	)

Definition at line 38 of file class.ilTestShuffler.php.

References buildFixedShufflerSeed(), and ILIAS\Repository\refinery().

      : ShuffleTransformation {
         $fixedSeed = $this->buildFixedShufflerSeed($question_id, $pass_id, $active_id);
         return $this->refinery->random()->shuffleArray(new GivenSeed($fixedSeed));
     }

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Field Documentation

◆ FIXED_SHUFFLER_SEED_MIN_LENGTH

const ilTestShuffler::FIXED_SHUFFLER_SEED_MIN_LENGTH = 8

Definition at line 31 of file class.ilTestShuffler.php.

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

components/ILIAS/Test/classes/class.ilTestShuffler.php

Public Member Functions

Data Fields

Protected Member Functions