Forminator - alternative required fileds - "this or that field mandatory"

<?php

add_filter( 'forminator_custom_form_submit_errors', function( $submit_errors, $form_id, $field_data_array ) {
    if( $form_id != 1539 ) {
        return $submit_errors;
    }

    $field_names = array();

    // Change this to the message that you want to show.
    $message = 'Please enter e-mail or phone.';

    foreach( $field_data_array as $key => $value ){
        $field_names[] = $value['name'];
    }

    if ( !in_array( 'email-1', $field_names ) && !in_array( 'phone-1', $field_names ) ) {
        $submit_errors[]['submit'] = $message;
    }

    return $submit_errors;
},15,3);


add_filter( 'forminator_custom_form_invalid_form_message', 'wpmudev_invalid_form_error_msg', 10, 2 );
function wpmudev_invalid_form_error_msg( $invalid_form_message, $form_id ){
    if( $form_id != 1539 ) {
        return $invalid_form_message;
    }

    $email_flag = false;
    $phone_flag = false;

    if( isset( $_POST ) ){
        $email = isset( $_POST['email-1'] ) ?  sanitize_text_field( $_POST['email-1'] ) : '';
        $phone = isset( $_POST['phone-1'] ) ?  sanitize_text_field( $_POST['phone-1'] ) : '';

        if(  !$date && !$phone ){
            $invalid_form_message = __( 'Please enter e-mail or phone.', 'forminator' );
        }
    }

    return $invalid_form_message;
}