satori-services/public/get-profile-field.php

<?php
require_once '_flashii.php';

$userId = (int)filter_input(INPUT_GET, 'user', FILTER_SANITIZE_NUMBER_INT);
$fieldId = (int)filter_input(INPUT_GET, 'field', FILTER_SANITIZE_NUMBER_INT);

try {
    $fetch = $db->prepare('SELECT `field_value` FROM `msz_profile_fields_values` WHERE `field_id` = ? AND `user_id` = ?');
    $fetch->addParameter(1, $fieldId);
    $fetch->addParameter(2, $userId);
    $fetch->execute();
    $result = $fetch->getResult();

    if($result->next())
        echo json_encode(['field_value' => $result->getString(0)]);
    else echo '{"error":105}';
} catch(Exception $ex) {
    echo json_encode(['error' => 104, 'msg' => $ex->getMessage()]);
}