<?php

/**
 * Test proper configuration & functioning of sessions.
 *
 * If this blows up, sessions are not configured properly.
 * If this doesn't bloe up, but subsequent requests do not show session data,
 * then your save_path is probably incorrect.
 * Look for "permission denied" error messages.
 *
 * If no user data, and the session ID keeps changing, then sessions themselves
 * are not storing properly - probably a cookie issue.
 *
 * ------------------------------------------------------------------------
 */
class Snoopy extends CI_Controller {

    function __construct() {
        parent::__construct();
    }

    function index() {
        echo '<pre>';
        $this->outer('Snoopy - Session Tester');

        // Are sessions loaded?
        if (isset($this->session))
            $this->out('Sessions are loaded');
        else {
            $this->out('Sessions are not loaded.');
            exit();
        }
        $this->out();

        // Show session metadata
        $this->outer('Session METADATA');
        $this->out('Session ID: ' . session_id());
        $this->out('IP address: ' . $_SERVER['REMOTE_ADDR']);
        $this->out('User agent: ' . $this->input->user_agent());
        $this->out();

        // Show session preferences
        $this->outer('Session PREFERENCES');
        $this->out('Session driver: ' . $this->config->item('sess_driver'));
        $this->out('Save path: ' . $this->config->item('sess_save_path'));
        $this->out('Cookie domain: ' . $this->config->item('cookie_domain'));
        $this->out('Cookie path: ' . $this->config->item('cookie_path'));
        $this->out('Cookie HTTPS only: ' . $this->config->item('cookie_secure'));
        $this->out();

        // Show all current session data
        $this->outer('Session USER DATA:');
        $stuff = $this->session->userdata();
        foreach ($stuff as $key => $value)
            $this->out($key . ' --> ' . $value);
        $this->out();

        // Set some session data for the next request
        $this->session->test1 = 'First test';
        $this->session->set_userdata('test2','Second test');
        $_SESSION['test3'] = 'Third test';
    }

    function out($message = '') {
        echo $message . '<br/>';
    }

    function outer($message = '') {
        echo $message . '<br/>';
        echo str_repeat('*',  strlen($message)) . '<br/>';
        echo '<br/>';
    }
}