function drupal_get_database_types in Zircon Profile 8

Same name and namespace in other branches

1. 8.0 core/includes/install.inc \drupal_get_database_types()

Returns all supported database driver installer objects.

Return value

\Drupal\Core\Database\Install\Tasks[] An array of available database driver installer objects.

5 calls to drupal_get_database_types()

drupal_detect_database_types in core/includes/install.inc

Detects all supported databases that are compiled into PHP.

install_database_errors in core/includes/install.core.inc

Checks a database connection and returns any errors.

SiteSettingsForm::buildForm in core/lib/Drupal/Core/Installer/Form/SiteSettingsForm.php

Form constructor.

SiteSettingsForm::validateForm in core/lib/Drupal/Core/Installer/Form/SiteSettingsForm.php

Form validation handler.

WebTestBase::getDatabaseTypes in core/modules/simpletest/src/WebTestBase.php

Returns all supported database driver installer objects.

File

core/includes/install.inc, line 160

API functions for installing modules and themes.

Code

function drupal_get_database_types() {
  $databases = array();
  $drivers = array();

  // The internal database driver name is any valid PHP identifier.
  $mask = '/^' . DRUPAL_PHP_FUNCTION_PATTERN . '$/';
  $files = file_scan_directory(DRUPAL_ROOT . '/core/lib/Drupal/Core/Database/Driver', $mask, array(
    'recurse' => FALSE,
  ));
  if (is_dir(DRUPAL_ROOT . '/drivers/lib/Drupal/Driver/Database')) {
    $files += file_scan_directory(DRUPAL_ROOT . '/drivers/lib/Drupal/Driver/Database/', $mask, array(
      'recurse' => FALSE,
    ));
  }
  foreach ($files as $file) {
    if (file_exists($file->uri . '/Install/Tasks.php')) {
      $drivers[$file->filename] = $file->uri;
    }
  }
  foreach ($drivers as $driver => $file) {
    $installer = db_installer_object($driver);
    if ($installer
      ->installable()) {
      $databases[$driver] = $installer;
    }
  }

  // Usability: unconditionally put the MySQL driver on top.
  if (isset($databases['mysql'])) {
    $mysql_database = $databases['mysql'];
    unset($databases['mysql']);
    $databases = array(
      'mysql' => $mysql_database,
    ) + $databases;
  }
  return $databases;
}