PHP logmein::fail2ban示例

<?php

include 'func/class.login.php';
include 'func/func.php';
//BAN NUMBER
$ban_number = 3;
$ip_admin = $_SERVER['REMOTE_ADDR'];
$log = new logmein();
$fail2ban = $log->fail2ban($ip_admin);
if ($fail2ban >= 3) {
    echo '<br><p align=center><img src="/img/fake.png">';
} else {
    $log = new logmein();
    $log->update_log("in", $ip_admin);
    #CHECK LOGIN
    if (isset($_POST['password']) and isset($_POST['username'])) {
        $log = new logmein();
        $log->encrypt = true;
        //set encryption
        if ($_REQUEST['action'] == "login") {
            if ($log->login("logon", $_REQUEST['username'], $_REQUEST['password']) == true) {
                $log = new logmein();
                $log->update_log("OK", $ip_admin);
                echo '<meta http-equiv="refresh" content="0; URL=accueil.php">';
            } else {
                $log = new logmein();
                $log->update_log("FAIL", $ip_admin);
                notify("error", "Alerte Securité", "Mot de passe refusée depuis l'adresse IP: " . $ip_admin);
                title('<font color="#990000">Mot de passe incorrecte!</font>');
                echo '<meta http-equiv="refresh" content="4; URL=index.php">';
            }