/**
* @param string $form_id
*
* @return WP_Form
* @throws BadFunctionCallException
* @throws InvalidArgumentException
*/
public function get_form($form_id)
{
if (!isset($this->registered_forms[$form_id])) {
throw new InvalidArgumentException(sprintf(__('Form %s is not registered.', 'wp-forms'), $form_id));
}
if (!is_callable($this->registered_forms[$form_id])) {
throw new BadFunctionCallException(sprintf(__('Invalid callback for form %s', 'wp-forms'), $form_id));
}
$args = func_get_args();
$argument_hash = md5(serialize($args));
if (!isset($this->instantiated_forms[$form_id][$argument_hash])) {
$form = new WP_Form($form_id);
// The form that we'll we working with today
$form->setup_nonce_fields();
$args[0] =& $form;
// replace form ID with the form
// build the form
call_user_func_array($this->registered_forms[$form_id], $args);
do_action_ref_array('wp_form_get_form', $args);
$this->instantiated_forms[$form_id][$argument_hash] = $form;
}
return $this->instantiated_forms[$form_id][$argument_hash];
}
