<?php
require_once $_SERVER['DOCUMENT_ROOT'] . '/_incl_data/__config.php';
$learning = new Learming();
//set getLearningStatus to 0 and save
if ($_POST['hasLearned'] && $learning->hasLearned()) {
    echo 'OK';
}
if ($_POST['getStatus']) {
    // boolean
    switch ($learning->getLearningStatus()) {
        case 0: echo 'should not learn'; break;
        case 1: echo 'should learn'; break;
        default: echo 'error: no data'; break;
    }
}