<?php
        date_default_timezone_set("Europe/Sofia");

            $dateOne = strtotime($_GET['dateOne']);
            $dateTwo = strtotime($_GET['dateTwo']);
            $helper;

            if ($dateTwo < $dateOne) {
                $helper = $dateOne;
                $dateOne = $dateTwo;
                $dateTwo = $helper;
            }

            $totalDays = floor(($dateTwo - $dateOne) / (60 * 60 * 24));
            $current = $dateOne;
            $thursdays = [];


            for ($i=1; $i <= $totalDays; $i++) {
                $dayOfWeek = date("N", $current);

                if ($dayOfWeek == 4) {
                    array_push($thursdays, date("d-m-Y", $current));
                }
                $current = strtotime("+1 day", $current);
            }

            if (count($thursdays) > 0) {
                echo "<ol>";
                for ($i=0; $i < count($thursdays); $i++) {
                    echo "<li>$thursdays[$i]</li>";
                }
                echo "</ol>";
            }
            else {
                echo "<h2>No Thursdays</h2>";
            }
    ?>