Chris@0: <?php
Chris@0: 
Chris@0: /**
Chris@0:  * @file
Chris@0:  * Initiates a browser-based installation of Drupal.
Chris@0:  */
Chris@0: 
Chris@0: use Drupal\Component\Utility\OpCodeCache;
Chris@0: 
Chris@0: // Change the directory to the Drupal root.
Chris@0: chdir('..');
Chris@0: // Store the Drupal root path.
Chris@0: $root_path = realpath('');
Chris@0: 
Chris@0: /**
Chris@0:  * Global flag to indicate the site is in installation mode.
Chris@0:  *
Chris@0:  * The constant is defined using define() instead of const so that PHP
Chris@0:  * versions prior to 5.3 can display proper PHP requirements instead of causing
Chris@0:  * a fatal error.
Chris@0:  */
Chris@0: define('MAINTENANCE_MODE', 'install');
Chris@0: 
Chris@0: // Exit early if running an incompatible PHP version to avoid fatal errors.
Chris@0: // The minimum version is specified explicitly, as DRUPAL_MINIMUM_PHP is not
Chris@0: // yet available. It is defined in bootstrap.inc, but it is not possible to
Chris@0: // load that file yet as it would cause a fatal error on older versions of PHP.
Chris@0: if (version_compare(PHP_VERSION, '5.5.9') < 0) {
Chris@0:   print 'Your PHP installation is too old. Drupal requires at least PHP 5.5.9. See the <a href="https://www.drupal.org/requirements">system requirements</a> page for more information.';
Chris@0:   exit;
Chris@0: }
Chris@0: 
Chris@0: // Initialize the autoloader.
Chris@0: $class_loader = require_once $root_path . '/autoload.php';
Chris@0: 
Chris@0: // If OPCache is in use, ensure opcache.save_comments is enabled.
Chris@0: if (OpCodeCache::isEnabled() && !ini_get('opcache.save_comments')) {
Chris@14:   print 'Systems with OPcache installed must have <a href="http://php.net/manual/opcache.configuration.php#ini.opcache.save-comments">opcache.save_comments</a> enabled.';
Chris@0:   exit();
Chris@0: }
Chris@0: 
Chris@0: // Start the installer.
Chris@0: require_once $root_path . '/core/includes/install.core.inc';
Chris@0: install_drupal($class_loader);