1. Go to this page and download the library: Download qtism/qtism library. Choose the download type require.
2. Extract the ZIP file and open the index.php.
3. Add this code to the index.php.
<?php
require_once('vendor/autoload.php');
/* Start to develop here. Best regards https://php-download.com/ */
qtism / qtism example snippets
use qtism\common\enums\BaseType;
use qtism\common\enums\Cardinality;
use qtism\common\datatypes\QtiIdentifier;
use qtism\data\storage\xml\XmlDocument;
use qtism\runtime\common\State;
use qtism\runtime\common\ResponseVariable;
use qtism\runtime\common\MultipleContainer;
use qtism\runtime\tests\AssessmentItemSession;
// Instantiate a new QTI XML document, and load a QTI XML document.
$itemDoc = new XmlDocument('2.1');
$itemDoc->load('choice_multiple.xml');
/*
* A QTI XML document can be used to load various pieces of QTI content such as assessmentItem,
* assessmentTest, responseProcessing, ... components. Our target is an assessmentItem, which is the
* root component of our document.
*/
$item = $itemDoc->getDocumentComponent();
/*
* The item session represents the collected and computed data related to the interactions a
* candidate performs on a single assessmentItem. As per the QTI specification, "an item session
* is the accumulation of all attempts at a particular instance of an assessmentItem made by
* a candidate.
*/
$itemSession = new AssessmentItemSession($item);
// The candidate is entering the item session, and is beginning his first attempt.
$itemSession->beginItemSession();
$itemSession->beginAttempt();
/*
* We instantiate the responses provided by the candidate for this assessmentItem, for the current
* item session. For this assessmentItem, the data collected from the candidate is represented by
* a State, composed of a single ResponseVariable named 'RESPONSE'.
*/
$responses = new State(
array(
// The 'RESPONSE' ResponseVariable has a QTI multiple cardinality, and a QTI identifier baseType.
new ResponseVariable(
'RESPONSE',
Cardinality::MULTIPLE,
BaseType::IDENTIFIER,
/*
* The ResponseVariable value is a Container with multiple cardinality and an identifier
* baseType to meet the cardinality and baseType
use qtism\data\storage\xml\XmlDocument;
use qtism\runtime\common\State;
use qtism\runtime\tests\AssessmentItemSession;
use qtism\runtime\tests\AssessmentItemSessionException;
$itemDoc = new XmlDocument('2.1');
$itemDoc->load('choice_multiple.xml');
$item = $itemDoc->getDocumentComponent();
$itemSession = new AssessmentItemSession($item);
$itemSession->beginItemSession();
// Begin 1st attempt.
$itemSession->beginAttempt();
// End attempt by providing an empty response...
$itemSession->endAttempt(new State());
// Begin 2nd attempt, but by default, maximum number of attempts is 1.
try {
$itemSession->beginAttempt();
} catch (AssessmentItemSessionException $e) {
echo $e->getMessage();
// A new attempt for item 'choiceMultiple' is not allowed. The maximum number of attempts (1) is reached.
}
use qtism\data\ItemSessionControl;
use qtism\data\storage\xml\XmlDocument;
use qtism\runtime\common\State;
use qtism\runtime\tests\AssessmentItemSession;
$itemDoc = new XmlDocument('2.1');
$itemDoc->load('choice_multiple.xml');
$item = $itemDoc->getDocumentComponent();
$itemSession = new AssessmentItemSession($item);
// Set the maximum number of attempts to 0 (means unlimited).
$itemSessionControl = new ItemSessionControl();
$itemSessionControl->setMaxAttempts(0);
$itemSession->setItemSessionControl($itemSessionControl);
// Performing multiple attempts will not lead to a PHP exception anymore, because the maximum number of attemps is unlimited!
$itemSession->beginItemSession();
// 1st attempt will be an incorrect response from the candidate (['H'; 'Cl']).
$responses = new State(
array(
new ResponseVariable(
'RESPONSE',
Cardinality::MULTIPLE,
BaseType::IDENTIFIER,
new MultipleContainer(
BaseType::IDENTIFIER,
array(
new QtiIdentifier('H'),
new QtiIdentifier('Cl')
)
)
)
)
);
$itemSession->endAttempt($responses);
echo 'numAttempts: ' . $itemSession['numAttempts'] . "\n";
echo 'completionStatus: ' . $itemSession['completionStatus'] . "\n";
echo 'RESPONSE: ' . $itemSession['RESPONSE'] . "\n";
echo 'SCORE: ' . $itemSession['SCORE'] . "\n";
/*
* numAttempts: 1
* completionStatus: completed
* RESPONSE: ['H'; 'N']
* SCORE: 0
*/
// 2nd attempt will send a correct response this time (['H'; 'O'])!
$itemSession->beginAttempt();
$responses['RESPONSE'][1]->setValue('O');
$itemSession->endAttempt();
echo 'numAttempts: ' . $itemSession['numAttempts'] . "\n";
echo 'completionStatus: ' . $itemSession['completionStatus'] . "\n";
echo 'RESPONSE: ' . $itemSession['RESPONSE'] . "\n";
echo 'SCORE: ' . $itemSession['SCORE'] . "\n";
/*
* numAttempts: 2
* completionStatus: completed
* RESPONSE: ['H'; 'O']
* SCORE: 2
*/
$itemSession->endItemSession();
Loading please wait ...
Before you can download the PHP files, the dependencies should be resolved. This can take some minutes. Please be patient.