src/db-objects/forms/form-frontend-submission-handler.php

{$this->form_manager->get_prefix()}verify_form_submission_request

Filter Hook: Filters the verification of a form submission request.

Returns the name of the nonce action to check.

Sets a form error so that it can be printed to the user in the next request.

Action Hook: Fires before a form submission is handled.

Action Hook: Fires when a form submission is handled.

Action Hook: Fires when a form submission is completed.

Detects the form and submission from the request.

Creates a new submission object.

Action Hook: Fires when a new submission object has just been instantiated.

Inserts a new submission value into the database.