<?php session_start(); ?>
<!DOCTYPE html>
<!--
povinne pro vsechny stranky, kde chceme pouzivat pole $_SESSION
-->
<html>
    <head>
        <meta charset="UTF-8">
        <title></title>
    </head>
    <body>
        <a href="4-first.php">jdi na prvni stranku</a>
        <a href="4-third.php">jdi na treti stranku</a>
        <br><br>
        <?php
        if(isset($_SESSION["jmeno"])) echo $_SESSION["jmeno"];
        echo "<br><br>";
        echo "ID session je " . session_id();
        var_dump($_SESSION);
        ?>
    </body>
</html>
