| 
<?php
 /*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <[email protected]>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */
 
 namespace Symfony\Component\Debug;
 
 /**
 * Registers all the debug tools.
 *
 * @author Fabien Potencier <[email protected]>
 */
 class Debug
 {
 private static $enabled = false;
 
 /**
 * Enables the debug tools.
 *
 * This method registers an error handler and an exception handler.
 *
 * If the Symfony ClassLoader component is available, a special
 * class loader is also registered.
 *
 * @param int  $errorReportingLevel The level of error reporting you want
 * @param bool $displayErrors       Whether to display errors (for development) or just log them (for production)
 */
 public static function enable($errorReportingLevel = E_ALL, $displayErrors = true)
 {
 if (static::$enabled) {
 return;
 }
 
 static::$enabled = true;
 
 if (null !== $errorReportingLevel) {
 error_reporting($errorReportingLevel);
 } else {
 error_reporting(E_ALL);
 }
 
 if ('cli' !== PHP_SAPI) {
 ini_set('display_errors', 0);
 ExceptionHandler::register();
 } elseif ($displayErrors && (!ini_get('log_errors') || ini_get('error_log'))) {
 // CLI - display errors only if they're not already logged to STDERR
 ini_set('display_errors', 1);
 }
 if ($displayErrors) {
 ErrorHandler::register(new ErrorHandler(new BufferingLogger()));
 } else {
 ErrorHandler::register()->throwAt(0, true);
 }
 
 DebugClassLoader::enable();
 }
 }
 
 |