d = $hostname = $database = null;
        $options = [];
        foreach ($this->connectionParameters as $key => $value) {
            switch (strtolower($key)) {
                case 'dsn':
                    $dsn = $value;
                    break;
                case 'driver':
                    $value = strtolower((string) $value);
                    if (strpos($value, 'pdo') === 0) {
                        $pdoDriver = str_replace(['-', '_', ' '], '', $value);
                        $pdoDriver = substr($pdoDriver, 3) ?: '';
                    }
                    break;
                case 'pdodriver':
                    $pdoDriver = (string) $value;
                    break;
                case 'user':
                case 'username':
                    $username = (string) $value;
                    break;
                case 'pass':
                case 'password':
                    $password = (string) $value;
                    break;
                case 'host':
                case 'hostname':
                    $hostname = (string) $value;
                    break;
                case 'port':
                    $port = (int) $value;
                    break;
                case 'database':
                case 'dbname':
                    $database = (string) $value;
                    break;
                case 'charset':
                    $charset = (string) $value;
                    break;
                case 'unix_socket':
                    $unixSocket = (string) $value;
                    break;
                case 'version':
                    $version = (string) $value;
                    break;
                case 'driver_options':
                case 'options':
                    $value   = (array) $value;
                    $options = array_diff_key($options, $value) + $value;
                    break;
                default:
                    $options[$key] = $value;
                    break;
            }
        }

        if (isset($hostname) && isset($unixSocket)) {
            throw new Exception\InvalidConnectionParametersException(
                'Ambiguous connection parameters, both hostname and unix_socket parameters were set',
                $this->connectionParameters
            );
        }

        if (! isset($dsn) && isset($pdoDriver)) {
            $dsn = [];
            switch ($pdoDriver) {
                case 'sqlite':
                    $dsn[] = $database;
                    break;
                case 'sqlsrv':
                    if (isset($database)) {
                        $dsn[] = "database={$database}";
                    }
                    if (isset($hostname)) {
                        $dsn[] = "server={$hostname}";
                    }
                    break;
                default:
                    if (isset($database)) {
                        $dsn[] = "dbname={$database}";
                    }
                    if (isset($hostname)) {
                        $dsn[] = "host={$hostname}";
                    }
                    if (isset($port)) {
                        $dsn[] = "port={$port}";
                    }
                    if (isset($charset) && $pdoDriver !== 'pgsql') {
                        $dsn[] = "charset={$charset}";
                    }
                    if (isset($unixSocket)) {
                        $dsn[] = "unix_socket={$unixSocket}";
                    }
                    if (isset($version)) {
                        $dsn[] = "version={$version}";
                    }
                    break;
            }
            $dsn = $pdoDriver . ':' . implode(';', $dsn);
        } elseif (! isset($dsn)) {
            throw new Exception\InvalidConnectionParametersException(
                'A dsn was not provided or could not be constructed from your parameters',
                $this->connectionParameters
            );
        }

        $this->dsn = $dsn;

        try {
            $this->resource = new \PDO($dsn, $username, $password, $options);
            $this->resource->setAttribute(\PDO::ATTR_ERRMODE, \PDO::ERRMODE_EXCEPTION);
            if (isset($charset) && $pdoDriver === 'pgsql') {
                $this->resource->exec('SET NAMES ' . $this->resource->quote($charset));
            }
            $this->driverName = strtolower($this->resource->getAttribute(\PDO::ATTR_DRIVER_NAME));
        } catch (PDOException $e) {
            $code = $e->getCode();
            if (! is_int($code)) {
                $code = 0;
            }
            throw new Exception\RuntimeException('Connect Error: ' . $e->getMessage(), $code, $e);
        }

        return $this;
    }

    /**
     * {@inheritDoc}
     */
    public function isConnected()
    {
        return $this->resource instanceof \PDO;
    }

    /**
     * {@inheritDoc}
     */
    public function beginTransaction()
    {
        if (! $this->isConnected()) {
            $this->connect();
        }

        if (0 === $this->nestedTransactionsCount) {
            $this->resource->beginTransaction();
            $this->inTransaction = true;
        }

        $this->nestedTransactionsCount ++;

        return $this;
    }

    /**
     * {@inheritDoc}
     */
    public function commit()
    {
        if (! $this->isConnected()) {
            $this->connect();
        }

        if ($this->inTransaction) {
            $this->nestedTransactionsCount -= 1;
        }

        /*
         * This shouldn't check for being in a transaction since
         * after issuing a SET autocommit=0; we have to commit too.
         */
        if (0 === $this->nestedTransactionsCount) {
            $this->resource->commit();
            $this->inTransaction = false;
        }

        return $this;
    }

    /**
     * {@inheritDoc}
     *
     * @throws Exception\RuntimeException
     */
    public function rollback()
    {
        if (! $this->isConnected()) {
            throw new Exception\RuntimeException('Must be connected before you can rollback');
        }

        if (! $this->inTransaction()) {
            throw new Exception\RuntimeException('Must call beginTransaction() before you can rollback');
        }

        $this->resource->rollBack();

        $this->inTransaction           = false;
        $this->nestedTransactionsCount = 0;

        return $this;
    }

    /**
     * {@inheritDoc}
     *
     * @throws Exception\InvalidQueryException
     */
    public function execute($sql)
    {
        if (! $this->isConnected()) {
            $this->connect();
        }

        if ($this->profiler) {
            $this->profiler->profilerStart($sql);
        }

        $resultResource = $this->resource->query($sql);

        if ($this->profiler) {
            $this->profiler->profilerFinish($sql);
        }

        if ($resultResource === false) {
            $errorInfo = $this->resource->errorInfo();
            throw new Exception\InvalidQueryException($errorInfo[2]);
        }

        return $this->driver->createResult($resultResource, $sql);
    }

    /**
     * Prepare
     *
     * @param  string    $sql
     * @return Statement
     */
    public function prepare($sql)
    {
        if (! $this->isConnected()) {
            $this->connect();
        }

        return $this->driver->createStatement($sql);
    }

    /**
     * {@inheritDoc}
     *
     * @param  string            $name
     * @return string|null|false
     */
    public function getLastGeneratedValue($name = null)
    {
        if (
            $name === null
            && ($this->driverName === 'pgsql' || $this->driverName === 'firebird')
        ) {
            return;
        }

        try {
            return $this->resource->lastInsertId($name);
        } catch (\Exception $e) {
            // do nothing
        }

        return false;
    }
}
d = $hostname = $database = null;
        $options = [];
        foreach ($this->connectionParameters as $key => $value) {
            switch (strtolower($key)) {
                case 'dsn':
                    $dsn = $value;
                    break;
                case 'driver':
                    $value = strtolower((string) $value);
                    if (strpos($value, 'pdo') === 0) {
                        $pdoDriver = str_replace(['-', '_', ' '], '', $value);
                        $pdoDriver = substr($pdoDriver, 3) ?: '';
                    }
                    break;
                case 'pdodriver':
                    $pdoDriver = (string) $value;
                    break;
                case 'user':
                case 'username':
                    $username = (string) $value;
                    break;
                case 'pass':
                case 'password':
                    $password = (string) $value;
                    break;
                case 'host':
                case 'hostname':
                    $hostname = (string) $value;
                    break;
                case 'port':
                    $port = (int) $value;
                    break;
                case 'database':
                case 'dbname':
                    $database = (string) $value;
                    break;
                case 'charset':
                    $charset = (string) $value;
                    break;
                case 'unix_socket':
                    $unixSocket = (string) $value;
                    break;
                case 'version':
                    $version = (string) $value;
                    break;
                case 'driver_options':
                case 'options':
                    $value   = (array) $value;
                    $options = array_diff_key($options, $value) + $value;
                    break;
                default:
                    $options[$key] = $value;
                    break;
            }
        }

        if (isset($hostname) && isset($unixSocket)) {
            throw new Exception\InvalidConnectionParametersException(
                'Ambiguous connection parameters, both hostname and unix_socket parameters were set',
                $this->connectionParameters
            );
        }

        if (! isset($dsn) && isset($pdoDriver)) {
            $dsn = [];
            switch ($pdoDriver) {
                case 'sqlite':
                    $dsn[] = $database;
                    break;
                case 'sqlsrv':
                    if (isset($database)) {
                        $dsn[] = "database={$database}";
                    }
                    if (isset($hostname)) {
                        $dsn[] = "server={$hostname}";
                    }
                    break;
                default:
                    if (isset($database)) {
                        $dsn[] = "dbname={$database}";
                    }
                    if (isset($hostname)) {
                        $dsn[] = "host={$hostname}";
                    }
                    if (isset($port)) {
                        $dsn[] = "port={$port}";
                    }
                    if (isset($charset) && $pdoDriver !== 'pgsql') {
                        $dsn[] = "charset={$charset}";
                    }
                    if (isset($unixSocket)) {
                        $dsn[] = "unix_socket={$unixSocket}";
                    }
                    if (isset($version)) {
                        $dsn[] = "version={$version}";
                    }
                    break;
            }
            $dsn = $pdoDriver . ':' . implode(';', $dsn);
        } elseif (! isset($dsn)) {
            throw new Exception\InvalidConnectionParametersException(
                'A dsn was not provided or could not be constructed from your parameters',
                $this->connectionParameters
            );
        }

        $this->dsn = $dsn;

        try {
            $this->resource = new \PDO($dsn, $username, $password, $options);
            $this->resource->setAttribute(\PDO::ATTR_ERRMODE, \PDO::ERRMODE_EXCEPTION);
            if (isset($charset) && $pdoDriver === 'pgsql') {
                $this->resource->exec('SET NAMES ' . $this->resource->quote($charset));
            }
            $this->driverName = strtolower($this->resource->getAttribute(\PDO::ATTR_DRIVER_NAME));
        } catch (PDOException $e) {
            $code = $e->getCode();
            if (! is_int($code)) {
                $code = 0;
            }
            throw new Exception\RuntimeException('Connect Error: ' . $e->getMessage(), $code, $e);
        }

        return $this;
    }

    /**
     * {@inheritDoc}
     */
    public function isConnected()
    {
        return $this->resource instanceof \PDO;
    }

    /**
     * {@inheritDoc}
     */
    public function beginTransaction()
    {
        if (! $this->isConnected()) {
            $this->connect();
        }

        if (0 === $this->nestedTransactionsCount) {
            $this->resource->beginTransaction();
            $this->inTransaction = true;
        }

        $this->nestedTransactionsCount ++;

        return $this;
    }

    /**
     * {@inheritDoc}
     */
    public function commit()
    {
        if (! $this->isConnected()) {
            $this->connect();
        }

        if ($this->inTransaction) {
            $this->nestedTransactionsCount -= 1;
        }

        /*
         * This shouldn't check for being in a transaction since
         * after issuing a SET autocommit=0; we have to commit too.
         */
        if (0 === $this->nestedTransactionsCount) {
            $this->resource->commit();
            $this->inTransaction = false;
        }

        return $this;
    }

    /**
     * {@inheritDoc}
     *
     * @throws Exception\RuntimeException
     */
    public function rollback()
    {
        if (! $this->isConnected()) {
            throw new Exception\RuntimeException('Must be connected before you can rollback');
        }

        if (! $this->inTransaction()) {
            throw new Exception\RuntimeException('Must call beginTransaction() before you can rollback');
        }

        $this->resource->rollBack();

        $this->inTransaction           = false;
        $this->nestedTransactionsCount = 0;

        return $this;
    }

    /**
     * {@inheritDoc}
     *
     * @throws Exception\InvalidQueryException
     */
    public function execute($sql)
    {
        if (! $this->isConnected()) {
            $this->connect();
        }

        if ($this->profiler) {
            $this->profiler->profilerStart($sql);
        }

        $resultResource = $this->resource->query($sql);

        if ($this->profiler) {
            $this->profiler->profilerFinish($sql);
        }

        if ($resultResource === false) {
            $errorInfo = $this->resource->errorInfo();
            throw new Exception\InvalidQueryException($errorInfo[2]);
        }

        return $this->driver->createResult($resultResource, $sql);
    }

    /**
     * Prepare
     *
     * @param  string    $sql
     * @return Statement
     */
    public function prepare($sql)
    {
        if (! $this->isConnected()) {
            $this->connect();
        }

        return $this->driver->createStatement($sql);
    }

    /**
     * {@inheritDoc}
     *
     * @param  string            $name
     * @return string|null|false
     */
    public function getLastGeneratedValue($name = null)
    {
        if (
            $name === null
            && ($this->driverName === 'pgsql' || $this->driverName === 'firebird')
        ) {
            return;
        }

        try {
            return $this->resource->lastInsertId($name);
        } catch (\Exception $e) {
            // do nothing
        }

        return false;
    }
}
<!DOCTYPE html>

<html><head>
<title></title>

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<div class="maxwidth"> 
<h1>An error occurred</h1>
<h2>An error occurred during execution; please try again later.</h2>

    <hr/>

<h2>Additional information:</h2>
<h3>Error</h3>
<dl>
    <dt>File:</dt>
    <dd>
        <pre>/home/metaseit/vendor/laminas/laminas-db/src/Adapter/Driver/Pdo/Pdo.php:58</pre>
    </dd>
    <dt>Message:</dt>
    <dd>
        <pre>Class &quot;Laminas\Db\Adapter\Driver\Pdo\Connection&quot; not found</pre>
    </dd>
    <dt>Stack trace:</dt>
    <dd>
        <pre>#0 /home/metaseit/vendor/laminas/laminas-db/src/Adapter/Adapter.php(317): Laminas\Db\Adapter\Driver\Pdo\Pdo-&gt;__construct(Array)
#1 /home/metaseit/vendor/laminas/laminas-db/src/Adapter/Adapter.php(73): Laminas\Db\Adapter\Adapter-&gt;createDriver(Array)
#2 /home/metaseit/vendor/laminas/laminas-db/src/Adapter/AdapterAbstractServiceFactory.php(61): Laminas\Db\Adapter\Adapter-&gt;__construct(Array)
#3 /home/metaseit/vendor/laminas/laminas-servicemanager/src/ServiceManager.php(642): Laminas\Db\Adapter\AdapterAbstractServiceFactory-&gt;__invoke(Object(Laminas\ServiceManager\ServiceManager), &#039;adapterLcM&#039;, NULL)
#4 /home/metaseit/vendor/laminas/laminas-servicemanager/src/ServiceManager.php(264): Laminas\ServiceManager\ServiceManager-&gt;doCreate(&#039;adapterLcM&#039;)
#5 /home/metaseit/module/Metaseiten/src/Controller/IndexController.php(18): Laminas\ServiceManager\ServiceManager-&gt;get(&#039;adapterLcM&#039;)
#6 /home/metaseit/module/Metaseiten/src/Controller/IndexControllerFactory.php(26): Metaseiten\Controller\IndexController-&gt;__construct(Object(Laminas\ServiceManager\ServiceManager))
#7 /home/metaseit/vendor/laminas/laminas-servicemanager/src/ServiceManager.php(642): Metaseiten\Controller\IndexControllerFactory-&gt;__invoke(Object(Laminas\ServiceManager\ServiceManager), &#039;Metaseiten\\Cont...&#039;, NULL)
#8 /home/metaseit/vendor/laminas/laminas-servicemanager/src/ServiceManager.php(236): Laminas\ServiceManager\ServiceManager-&gt;doCreate(&#039;Metaseiten\\Cont...&#039;)
#9 /home/metaseit/vendor/laminas/laminas-servicemanager/src/AbstractPluginManager.php(169): Laminas\ServiceManager\ServiceManager-&gt;get(&#039;Metaseiten\\Cont...&#039;)
#10 /home/metaseit/vendor/laminas/laminas-mvc/src/DispatchListener.php(90): Laminas\ServiceManager\AbstractPluginManager-&gt;get(&#039;Metaseiten\\Cont...&#039;)
#11 /home/metaseit/vendor/laminas/laminas-eventmanager/src/EventManager.php(320): Laminas\Mvc\DispatchListener-&gt;onDispatch(Object(Laminas\Mvc\MvcEvent))
#12 /home/metaseit/vendor/laminas/laminas-eventmanager/src/EventManager.php(178): Laminas\EventManager\EventManager-&gt;triggerListeners(Object(Laminas\Mvc\MvcEvent), Object(Closure))
#13 /home/metaseit/vendor/laminas/laminas-mvc/src/Application.php(319): Laminas\EventManager\EventManager-&gt;triggerEventUntil(Object(Closure), Object(Laminas\Mvc\MvcEvent))
#14 /home/metaseit/public_html/schweizer-enzyklopaedie.ch/index.php(30): Laminas\Mvc\Application-&gt;run()
#15 {main}</pre>
    </dd>
</dl>

            
</div>
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</div>
<div id="layoutpagedebug"> 
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