* * 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 */ class Debug { private static $enabled = false; /** * Enables the debug tools. * * This method registers an error handler and an exception handler. * * @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 (!\in_array(\PHP_SAPI, ['cli', 'phpdbg'], true)) { ini_set('display_errors', 0); ExceptionHandler::register(); } elseif ($displayErrors && (!filter_var(ini_get('log_errors'), FILTER_VALIDATE_BOOLEAN) || ini_get('error_log'))) { // CLI - display errors only if they're not already logged to STDERR ini_set('display_errors', 1); } if ($displayErrors) { ErrorHandler::register(new ErrorHandler(new BufferingLogger())); } else { ErrorHandler::register()->throwAt(0, true); } DebugClassLoader::enable(); } }