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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; \defined('JPATH_PLATFORM') or die; use Joomla\CMS\Language\Text; use Joomla\Database\DatabaseDriver; /** * 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() { // 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; } }