class.ilSessionDBHandler.php

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<?php
 
declare(strict_types=1);
 
class ilSessionDBHandler implements SessionHandlerInterface, SessionUpdateTimestampHandlerInterface
{
    public function setSaveHandler(): bool
    {
        if (session_status() === PHP_SESSION_ACTIVE) {
            return true;
        }
 
        return session_set_save_handler(
            $this,
            true // Registers session_write_close() as a register_shutdown_function() function.
        );
    }
 
    public function open($path, $name): bool
    {
        return true;
    }
 
    public function close(): bool
    {
        return true;
    }
 
    public function read($id): string
    {
        return ilSession::getData($id);
    }
 
    public function write($id, $data): bool
    {
        chdir(IL_INITIAL_WD);
 
        return ilSession::writeData($id, $data);
    }
 
    public function destroy($id): bool
    {
        return ilSession::destroy($id);
    }
 
    public function gc(int $max_lifetime): int | false
    {
        return ilSession::destroyExpiredSessions();
    }
 
    public function validateId(string $id): bool
    {
        return ilSession::exists($id);
    }
 
    public function updateTimestamp(string $id, string $data): bool
    {
        if (ilSession::updateTimestamp($id)) {
            return true;
        }
 
        return $this->write($id, $data);
    }
}