vendor/symfony/http-kernel/EventListener/DebugHandlersListener.php line 70
<?php/** This file is part of the Symfony package.** (c) Fabien Potencier <fabien@symfony.com>** For the full copyright and license information, please view the LICENSE* file that was distributed with this source code.*/namespace Symfony\Component\HttpKernel\EventListener;use Psr\Log\LoggerInterface;use Symfony\Component\Console\ConsoleEvents;use Symfony\Component\Console\Event\ConsoleEvent;use Symfony\Component\Console\Output\ConsoleOutputInterface;use Symfony\Component\ErrorHandler\ErrorHandler;use Symfony\Component\EventDispatcher\EventSubscriberInterface;use Symfony\Component\HttpKernel\Event\KernelEvent;use Symfony\Component\HttpKernel\KernelEvents;/*** Configures errors and exceptions handlers.** @author Nicolas Grekas <p@tchwork.com>** @final** @internal*/class DebugHandlersListener implements EventSubscriberInterface{private string|object|null $earlyHandler;private ?\Closure $exceptionHandler;private ?LoggerInterface $logger;private ?LoggerInterface $deprecationLogger;private array|int|null $levels;private ?int $throwAt;private bool $scream;private bool $scope;private bool $firstCall = true;private bool $hasTerminatedWithException = false;/*** @param callable|null $exceptionHandler A handler that must support \Throwable instances that will be called on Exception* @param array|int|null $levels An array map of E_* to LogLevel::* or an integer bit field of E_* constants* @param int|null $throwAt Thrown errors in a bit field of E_* constants, or null to keep the current value* @param bool $scream Enables/disables screaming mode, where even silenced errors are logged* @param bool $scope Enables/disables scoping mode*/public function __construct(callable $exceptionHandler = null, LoggerInterface $logger = null, array|int|null $levels = \E_ALL, ?int $throwAt = \E_ALL, bool $scream = true, bool $scope = true, LoggerInterface $deprecationLogger = null){$handler = set_exception_handler('is_int');$this->earlyHandler = \is_array($handler) ? $handler[0] : null;restore_exception_handler();$this->exceptionHandler = null === $exceptionHandler ? null : $exceptionHandler(...);$this->logger = $logger;$this->levels = $levels ?? \E_ALL;$this->throwAt = \is_int($throwAt) ? $throwAt : (null === $throwAt ? null : ($throwAt ? \E_ALL : null));$this->scream = $scream;$this->scope = $scope;$this->deprecationLogger = $deprecationLogger;}/*** Configures the error handler.*/public function configure(object $event = null){if ($event instanceof ConsoleEvent && !\in_array(\PHP_SAPI, ['cli', 'phpdbg'], true)) {return;}if (!$event instanceof KernelEvent ? !$this->firstCall : !$event->isMainRequest()) {return;}$this->firstCall = $this->hasTerminatedWithException = false;$handler = set_exception_handler('is_int');$handler = \is_array($handler) ? $handler[0] : null;restore_exception_handler();if (!$handler instanceof ErrorHandler) {$handler = $this->earlyHandler;}if ($handler instanceof ErrorHandler) {if ($this->logger || $this->deprecationLogger) {$this->setDefaultLoggers($handler);if (\is_array($this->levels)) {$levels = 0;foreach ($this->levels as $type => $log) {$levels |= $type;}} else {$levels = $this->levels;}if ($this->scream) {$handler->screamAt($levels);}if ($this->scope) {$handler->scopeAt($levels & ~\E_USER_DEPRECATED & ~\E_DEPRECATED);} else {$handler->scopeAt(0, true);}$this->logger = $this->deprecationLogger = $this->levels = null;}if (null !== $this->throwAt) {$handler->throwAt($this->throwAt, true);}}if (!$this->exceptionHandler) {if ($event instanceof KernelEvent) {if (method_exists($kernel = $event->getKernel(), 'terminateWithException')) {$request = $event->getRequest();$hasRun = &$this->hasTerminatedWithException;$this->exceptionHandler = static function (\Throwable $e) use ($kernel, $request, &$hasRun) {if ($hasRun) {throw $e;}$hasRun = true;$kernel->terminateWithException($e, $request);};}} elseif ($event instanceof ConsoleEvent && $app = $event->getCommand()->getApplication()) {$output = $event->getOutput();if ($output instanceof ConsoleOutputInterface) {$output = $output->getErrorOutput();}$this->exceptionHandler = static function (\Throwable $e) use ($app, $output) {$app->renderThrowable($e, $output);};}}if ($this->exceptionHandler) {if ($handler instanceof ErrorHandler) {$handler->setExceptionHandler($this->exceptionHandler);}$this->exceptionHandler = null;}}private function setDefaultLoggers(ErrorHandler $handler): void{if (\is_array($this->levels)) {$levelsDeprecatedOnly = [];$levelsWithoutDeprecated = [];foreach ($this->levels as $type => $log) {if (\E_DEPRECATED == $type || \E_USER_DEPRECATED == $type) {$levelsDeprecatedOnly[$type] = $log;} else {$levelsWithoutDeprecated[$type] = $log;}}} else {$levelsDeprecatedOnly = $this->levels & (\E_DEPRECATED | \E_USER_DEPRECATED);$levelsWithoutDeprecated = $this->levels & ~\E_DEPRECATED & ~\E_USER_DEPRECATED;}$defaultLoggerLevels = $this->levels;if ($this->deprecationLogger && $levelsDeprecatedOnly) {$handler->setDefaultLogger($this->deprecationLogger, $levelsDeprecatedOnly);$defaultLoggerLevels = $levelsWithoutDeprecated;}if ($this->logger && $defaultLoggerLevels) {$handler->setDefaultLogger($this->logger, $defaultLoggerLevels);}}public static function getSubscribedEvents(): array{$events = [KernelEvents::REQUEST => ['configure', 2048]];if (\defined('Symfony\Component\Console\ConsoleEvents::COMMAND')) {$events[ConsoleEvents::COMMAND] = ['configure', 2048];}return $events;}}