public function Predis::getClient in Redis 8

Get the connected client instance.

Return value

mixed Real client depends from the library behind.

Overrides ClientInterface::getClient

File

src/Client/Predis.php, line 14

Class

Predis

Predis client specific implementation.

Namespace

Drupal\redis\Client

Code

public function getClient($host = NULL, $port = NULL, $base = NULL, $password = NULL, $replicationHosts = [], $persistent = FALSE) {
  $connectionInfo = [
    'password' => $password,
    'host' => $host,
    'port' => $port,
    'database' => $base,
    'persistent' => $persistent,
  ];
  foreach ($connectionInfo as $key => $value) {
    if (!isset($value)) {
      unset($connectionInfo[$key]);
    }
  }

  // I'm not sure why but the error handler is driven crazy if timezone
  // is not set at this point.
  // Hopefully Drupal will restore the right one this once the current
  // account has logged in.
  date_default_timezone_set(@date_default_timezone_get());

  // If we are passed in an array of $replicationHosts, we should attempt a clustered client connection.
  if (!empty($replicationHosts)) {
    $parameters = [];
    foreach ($replicationHosts as $replicationHost) {
      $param = 'tcp://' . $replicationHost['host'] . ':' . $replicationHost['port'] . '?persistent=' . ($persistent ? 'true' : 'false');

      // Configure master.
      if ($replicationHost['role'] === 'primary') {
        $param .= '&alias=master';
      }
      $parameters[] = $param;
    }
    $options = [
      'replication' => true,
    ];
    $client = new Client($parameters, $options);
  }
  else {
    $client = new Client($connectionInfo);
  }
  return $client;
}