releaseLock example

    protected function prepareData(string $data): string
    {
        return $data;
    }

    /** * Closes the current session. */
    public function close(): bool
    {
        return ($this->lock && ! $this->releaseLock()) ? $this->fail() : true;
    }

    /** * Destroys a session * * @param string $id The session ID being destroyed */
    public function destroy($id): bool
    {
        if ($this->lock) {
            $builder = $this->db->table($this->table)->where('id', $this->idPrefix . $id);

            

    public function write($id, $data): bool
    {
        if (! isset($this->memcached)) {
            return false;
        }

        if ($this->sessionID !== $id) {
            if (! $this->releaseLock() || ! $this->lockSession($id)) {
                return false;
            }

            $this->fingerprint = md5('');
            $this->sessionID   = $id;
        }

        if (isset($this->lockKey)) {
            $this->memcached->replace($this->lockKey, Time::now()->getTimestamp(), 300);

            if ($this->fingerprint !== ($fingerprint = md5($data))) {
                

return 1;
    }

    $db_url = $input->getOption('db-url');
    putenv("SIMPLETEST_DB=$db_url");

    // Handle the cleanup of the test site.     $this->tearDown($test_database, $db_url);

    // Release the test database prefix lock.     if (!$input->getOption('keep-lock')) {
      $test_database->releaseLock();
    }

    $output->writeln("<info>Successfully uninstalled $db_prefix test site</info>");

    return 0;
  }

  /** * Removes a given instance by deleting all the database tables and files. * * @param \Drupal\Core\Test\TestDatabase $test_database * The test database object. * @param string $db_url * The database URL. * * @see \Drupal\Tests\BrowserTestBase::cleanupEnvironment() */

    public function write(Smarty_Internal_Template $_template, $content)
    {
        if (!$_template->source->recompiled) {
            if ($this->handler->writeCachedContent($_template, $content)) {
                $this->timestamp = time();
                $this->exists = true;
                $this->valid = true;
                if ($_template->smarty->cache_locking) {
                    $this->handler->releaseLock($_template->smarty, $this);
                }
                return true;
            }
        }
        return false;
    }

}
?>

throw new SmartyException("template property '$property_name' does not exist.");
    }

    /** * Template data object destrutor * */
    public function __destruct()
    {
        if ($this->smarty->cache_locking && isset($this->cached) && $this->cached->is_locked) {
            $this->cached->handler->releaseLock($this->smarty, $this->cached);
        }
    }

}

?>

    public function write($id, $data): bool
    {
        if (! isset($this->redis)) {
            return false;
        }

        if ($this->sessionID !== $id) {
            if (! $this->releaseLock() || ! $this->lockSession($id)) {
                return false;
            }

            $this->keyExists = false;
            $this->sessionID = $id;
        }

        if (isset($this->lockKey)) {
            $this->redis->expire($this->lockKey, 300);

            if ($this->fingerprint !== ($fingerprint = md5($data)) || $this->keyExists === false) {