LLMS_AJAX_Handler::quiz_start( array $request )

Start a Quiz Attempt.


Parameters Parameters

$request

(array) (Required) $_POST data. required: (string) attempt_key or (int) quiz_id (int) lesson_id.


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Return Return

(WP_Error|array) WP_Error on error or array containing html template of the first question.


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Source Source

File: includes/class.llms.ajax.handler.php

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*
 * @return WP_Error|array WP_Error on error or array containing html template of the first question.
 */
public static function quiz_start( $request ) {
 
    $err = new WP_Error();
 
    $student = llms_get_student();
    if ( ! $student ) {
        $err->add( 400, __( 'You must be logged in to take quizzes.', 'lifterlms' ) );
        return $err;
    }
 
    // Limit reached?
    if ( isset( $request['quiz_id'] ) && ! ( new LLMS_Quiz( $request['quiz_id'] ) )->is_open() ) {
        $err->add( 400, __( "You've reached the maximum number of attempts for this quiz.", 'lifterlms' ) );
        return $err;
    }
 
    $attempt = false;
    if ( ! empty( $request['attempt_key'] ) ) {
        $attempt = $student->quizzes()->get_attempt_by_key( $request['attempt_key'] );
    }
 
    if ( ! $attempt || 'new' !== $attempt->get_status() ) {
 
        if ( ! isset( $request['quiz_id'] ) || ! isset( $request['lesson_id'] ) ) {
            $err->add( 400, __( 'There was an error starting the quiz. Please return to the lesson and begin again.', 'lifterlms' ) );
            return $err;
        }
 
        $attempt = LLMS_Quiz_Attempt::init( absint( $request['quiz_id'] ), absint( $request['lesson_id'] ), $student->get( 'id' ) );
 
    }
 
    $question_id = $attempt->get_first_question();
    if ( ! $question_id ) {
        $err->add( 404, __( 'Unable to start quiz because the quiz does not contain any questions.', 'lifterlms' ) );
        return $err;
    }
 
    $attempt->start();
    $html = llms_get_template_ajax(
        'content-single-question.php',
        array(
            'attempt'  => $attempt,
            'question' => llms_get_post( $question_id ),
        )
    );
 
    $quiz  = $attempt->get_quiz();
    $limit = $quiz->has_time_limit() ? $quiz->get( 'time_limit' ) : false;
 
    return array(
        'attempt_key' => $attempt->get_key(),
        'html'        => $html,
        'time_limit'  => $limit,
        'question_id' => $question_id,
        'total'       => $attempt->get_count( 'questions' ),


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Changelog Changelog

Changelog
Version Description
6.4.0 Make sure attempts limit was not reached.
3.9.0
3.16.4 Introduced.

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