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<?php
 /**
 * the entry
 *
 * @package     System
 * @author      Vallo Reima
 * @copyright   (C)2013
 */
 define('SGN', 'aBook');                     /* signature */
 define('APP', 'abk');                       /* application token */
 define('DEV', 1);                           /* development status */
 
 if (version_compare(PHP_VERSION, '5.4', '<')) {
 die('System requires PHP 5.4 or newer version');
 } else {
 error_reporting(-1);
 ini_set('display_errors', true);
 ini_set('log_errors', false);
 }
 
 define('DS', DIRECTORY_SEPARATOR);                  /* directory separator */
 define('PRID', 'pri' . DS);                         /* system directory */
 define('PUBD', 'pub' . DS);                         /* assets directory */
 define('EXT', '.php');                              /* default extension */
 
 require_once(PRID . 'startup' . EXT);               /* bootstrap */
 $application = new Frontal();                       /* front controller */
 $application->Run();                                /* perform action */
 ?>
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