ICPNetworks V4 | Multiplataform: L2j & L2OFF 4.3.2

<?php

$availableDrivers = PDO::getAvailableDrivers();

$driver = 'sqlsrv';

if ( !in_array( $driver, $availableDrivers ) )
{
    echo '<pre>Available drivers:<br>';
    print_r( $availableDrivers );
    echo '</pre>';
    die( "Driver <b>$driver</b> not supported" );
}

$dbhost = '8.8.8.8';
$dbport = 1433;
$dbuser = 'sa';
$dbpass = '12345';
$dbname = 'lin2db';

try
{
    $dbh = new \PDO( "$driver:Server=$dbhost,$dbport;Database=$dbname", $dbuser, $dbpass );
}
catch ( \PDOException $e )
{
    die( $e->getMessage() );
}

echo 'Connected!';

?>

<?php
$servername = "127.0.0.1";
$username = "root";
$password = "usbw";

// Create connection
$conn = new mysqli($servername, $username, $password);

// Check connection
if ($conn->connect_error) {
  die("Connection failed: " . $conn->connect_error);
}
echo "Connected successfully";
?>

<?php
class ICPConnect {
    protected static $db_game;
    protected static $db_login;
    private function __construct($connection_type,$db_type,$db_host,$db_name,$db_user,$db_pass) {
        $this->host = $db_host;
        $this->name = $db_name;
        $this->user = $db_user;
        $this->pass = $db_pass;
        $this->type = $connection_type;
        $db_driver = $db_type ? "mysql:host" : "sqlsrv:Server";
        $db_database = $db_type ? "dbname" : "Database";
        if($this->type == "login"){
            try {
                self::$db_login = new \PDO($db_driver."=".$this->host."; ".$db_database."=".$this->name, $this->user, $this->pass);
                self::$db_login->setAttribute(\PDO::ATTR_ERRMODE, \PDO::ERRMODE_EXCEPTION);
                self::$db_login->exec('SET NAMES utf8');
            } catch (PDOException $e) {
                return false;
            }
        }elseif($this->type == "game"){
            try {
                self::$db_game = new \PDO($db_driver."=".$this->host."; ".$db_database."=".$this->name, $this->user, $this->pass);
                self::$db_game->setAttribute(\PDO::ATTR_ERRMODE, \PDO::ERRMODE_EXCEPTION);
                self::$db_game->exec('SET NAMES utf8');
            } catch (PDOException $e) {
                return false;
            }
        }else{
            return false;
        }
    }

<?php
if(isset($_POST["install"])){
    require_once("engine/classes/ICP_Connect.php");
    $serverVersion = explode("-",$_POST["serverVersion"]);
    $login = !empty($_POST["db_login_server"]) ? ICPConnect::connect("login", strtolower($serverVersion[1]) == "l2off" ? 0 : 1, $_POST["db_ip"],$_POST["db_login_server"],$_POST["db_user"],$_POST["db_pass"]) : true;
    $game = ICPConnect::connect("game", strtolower($serverVersion[1]) == "l2off" ? 0 : 1, $_POST["db_ip"],$_POST["db_game_server"],$_POST["db_user"],$_POST["db_pass"]);
    if($login && $game){
        if(empty($_POST["installTables"] ?? "")){
            $configs = $game->prepare("SELECT * FROM icp_configs");
            $configs->execute();
            if($configs->rowCount() > 0){
                $configsUpdate = $game->prepare("UPDATE icp_configs SET SERVER = ?");
                $configs->execute([$_POST["serverVersion"]]);
            }else{
                echo resposta("ICPNetworks tables not found.<br>Run the SQL files or select the option to install the tables in the installation panel.<br>Try again.","Oops...","error");
                exit;
            }
        }
        $conteudo = str_replace("icp_dbtype", strtolower($serverVersion[1]) == "l2off" ? 0 : 1, str_replace("icp_game", $_POST["db_game_server"], str_replace("icp_login", $_POST["db_login_server"], (str_replace("icp_pass", $_POST["db_pass"], (str_replace("icp_user", $_POST["db_user"], (str_replace("icp_ip", $_POST["db_ip"], $_POST["pag"])))))))));
        $html = "<?php\n";
        $html .= $conteudo;
        $html .= "\n?>";
        $pag_config = fopen("config/userConfig.php", "w");
        fwrite($pag_config, $html);
        fclose($pag_config);
        if(empty($_POST["installTables"] ?? "")){
            echo resposta("Panel successfully installed!","Success!","success","?icp=panel");
            exit;
        }
    }else{
        echo resposta("The connection failed.<br>Incorrect data or the database user does not have permission.<br>Try again.","Oops...","error");
    }
}

            try {
                self::$db_login = new \PDO($db_driver."=".$this->host."; ".$db_database."=".$this->name, $this->user, $this->pass);
                self::$db_login->setAttribute(\PDO::ATTR_ERRMODE, \PDO::ERRMODE_EXCEPTION);
                self::$db_login->exec('SET NAMES utf8');
            } catch (PDOException $e) {
                return false;
            }