learndash_upload_essay learndash_upload_essay() Handles the AJAX file upload for an essay question. ContentsDescription Source Changelog Related Uses Description # Fires on learndash_upload_essay AJAX action. Source # File: includes/quiz/ld-quiz-essays.php Changelog # Changelog Version Description 2.2.0 Introduced. Related # Uses # Uses Uses Description includes/quiz/ld-quiz-essays.php: learndash_essay_fileupload_process () Handles the file uploads for the essays. includes/quiz/ld-quiz-essays.php: learndash_essay_upload_user_check Filters whether to allow essay upload or not if the user is not logged in.