function DatabaseDriverList::getInstallableList

Returns the list of installable database drivers.

Return value

\Drupal\Core\Extension\DatabaseDriver[] An array of installable database driver extension objects.

File

core/lib/Drupal/Core/Extension/DatabaseDriverList.php, line 107

Class

DatabaseDriverList

Provides a list of available database drivers.

Namespace

Code

public function getInstallableList() : array {
  $installableDrivers = [];
  foreach ($this->getList() as $name => $driver) {
    if ($driver->getInstallTasks()
      ->installable()) {
      $installableDrivers[$name] = $driver;
    }
  }
  // Usability: unconditionally put core MySQL driver on top.
  if (isset($installableDrivers[static::CORE_MYSQL_DRIVER_NAMESPACE])) {
    $mysqlDriver = $installableDrivers[static::CORE_MYSQL_DRIVER_NAMESPACE];
    unset($installableDrivers[static::CORE_MYSQL_DRIVER_NAMESPACE]);
    $installableDrivers = [
      static::CORE_MYSQL_DRIVER_NAMESPACE => $mysqlDriver,
    ] + $installableDrivers;
  }
  return $installableDrivers;
}