Adds an error to the submission.
File: src/db-objects/submissions/submission.php
Submission::remove_error()
Removes an error from the submission.
Submission::get_errors()
Gets all errors, for the entire submission or a specific element.
Submission::delete()
Deletes the model from the database.
Submission::format_datetime()
Formats the submission date and time.
Submission
Class representing a submission.
Submission::__isset()
Magic isset-er.
Submission::__get()
Magic getter.
Submission::__set()
Magic setter.
Submission::get_form()
Returns the parent form for the submission.