Ninja Forms AWeber Suppress certain errors

ninja-forms-aweber-suppress-specific-error.php

/* 
 * Submit form even if user is already subscribed to AWeber List
 *
 * @param $msg - current message from Ninja Forms for AWeber
 * @param $error_message - original message from AWeber
 * @param $error_code - null, placeholder for when AWeber gets error codes
 * @param $subscriber - array of info about the subscriber submitted via form 
 * -- nb the form's ID can be found in $subscriber['form_id'] 
 * @param $list_id the list ID
 */
function nf_aweber_ignore_specific_error( $show, $error_message, $error_code, $subscriber, $list_id ){
	if( strpos( $error_message, 'already subscribed' ) !== false ){
		$show = false; error_log('found error');
	}
	return $show;
}
add_filter( "ninja_forms_aweber_show_errors", "nf_aweber_ignore_specific_error", 10, 5 );