Test Sessions

test_sessions.php

<?php
// Set error reporting to display all errors and notices
    error_reporting(E_ALL);
// Start a session
    session_start();
// Check for the existence of a known session variable
    if (isset($_SESSION['test_value'])) {
        _e('Test value (should increase by 1 on each page refresh): '); echo $_SESSION['test_value'];
      $_SESSION['test_value']++;
    } else {
        _e('No session exists - writing to test_value, refresh to check.');
        $_SESSION['test_value'] = 1;
    }
// Close and write session
    session_write_close();
    $foldername = session_save_path();
    if (is_writable($foldername)) {
        echo '<br>The Sessions folder is writable';
    } else {
        echo '<br>The Sessions folder is not writable';
    }
    exit;