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<?php
/**
* Joomla! Content Management System
*
* @copyright (C) 2011 Open Source Matters, Inc. <https://www.joomla.org>
* @license GNU General Public License version 2 or later; see LICENSE.txt
*/
namespace Joomla\CMS\Form\Field;
use Joomla\CMS\Language\Text;
use Joomla\Database\DatabaseDriver;
// phpcs:disable PSR1.Files.SideEffects
\defined('_JEXEC') or die;
// phpcs:enable PSR1.Files.SideEffects
/**
* Form Field class for the Joomla Platform.
* Provides a list of available database connections, optionally limiting to
* a given list.
*
* @see DatabaseDriver
* @since 1.7.3
*/
class DatabaseconnectionField extends ListField
{
/**
* The form field type.
*
* @var string
* @since 1.7.3
*/
protected $type = 'Databaseconnection';
/**
* Method to get the list of database options.
*
* This method produces a drop down list of available databases supported
* by DatabaseDriver classes that are also supported by the application.
*
* @return array The field option objects.
*
* @since 1.7.3
* @see DatabaseDriver::getConnectors()
*/
protected function getOptions()
{
$options = [];
// This gets the connectors available in the platform and supported by the server.
$available = array_map('strtolower', DatabaseDriver::getConnectors());
/**
* This gets the list of database types supported by the application.
* This should be entered in the form definition as a comma separated list.
* If no supported databases are listed, it is assumed all available databases
* are supported.
*/
$supported = $this->element['supported'];
if (!empty($supported)) {
$supported = explode(',', $supported);
foreach ($supported as $support) {
if (\in_array($support, $available)) {
$options[$support] = Text::_(ucfirst($support));
}
}
} else {
foreach ($available as $support) {
$options[$support] = Text::_(ucfirst($support));
}
}
// This will come into play if an application is installed that requires
// a database that is not available on the server.
if (empty($options)) {
$options[''] = Text::_('JNONE');
}
return $options;
}
}