Show total paid amount anywhere of a site using php api ff

Show total paid amount anywhere of a site using php api ff

function get_total_amount() {
    $formApi = fluentFormApi('forms')->entryInstance($formId = 5);

    $entries = $formApi->entries();
    $totalEntries = count($entries);
    $totalPaid=0;

    for($i=0; $i<$totalEntries; $i++){
        if($entries['data'][$i]->payment_status === 'paid'){
            $totalPaid+= (($entries['data'][$i]->payment_total)/100);
        }
    }

    if(is_int($totalPaid)) return 'Total Collected Payment: '.$totalPaid.'.00';
    return 'Total Collected Payment: '.$totalPaid;
}

// register shortcode
add_shortcode('total_paid', 'get_total_amount');