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<?php |
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/* |
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* This file is part of the Symfony package. |
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* |
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* (c) Fabien Potencier <[email protected]> |
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* |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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*/ |
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namespace Symfony\Component\HttpKernel\EventListener; |
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use Psr\Log\LoggerInterface; |
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use Symfony\Component\Debug\ErrorHandler; |
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use Symfony\Component\Debug\ExceptionHandler; |
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use Symfony\Component\EventDispatcher\Event; |
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use Symfony\Component\EventDispatcher\EventSubscriberInterface; |
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use Symfony\Component\HttpKernel\Event\KernelEvent; |
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use Symfony\Component\HttpKernel\KernelEvents; |
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use Symfony\Component\Console\ConsoleEvents; |
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use Symfony\Component\Console\Event\ConsoleEvent; |
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use Symfony\Component\Console\Output\ConsoleOutputInterface; |
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/** |
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* Configures errors and exceptions handlers. |
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* |
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* @author Nicolas Grekas <[email protected]> |
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*/ |
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class DebugHandlersListener implements EventSubscriberInterface |
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{ |
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private $exceptionHandler; |
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private $logger; |
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private $levels; |
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private $throwAt; |
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private $scream; |
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private $fileLinkFormat; |
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private $firstCall = true; |
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/** |
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* @param callable|null $exceptionHandler A handler that will be called on Exception |
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* @param LoggerInterface|null $logger A PSR-3 logger |
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* @param array|int $levels An array map of E_* to LogLevel::* or an integer bit field of E_* constants |
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* @param int|null $throwAt Thrown errors in a bit field of E_* constants, or null to keep the current value |
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* @param bool $scream Enables/disables screaming mode, where even silenced errors are logged |
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* @param string $fileLinkFormat The format for links to source files |
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*/ |
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public function __construct($exceptionHandler, LoggerInterface $logger = null, $levels = null, $throwAt = -1, $scream = true, $fileLinkFormat = null) |
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{ |
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$this->exceptionHandler = $exceptionHandler; |
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$this->logger = $logger; |
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$this->levels = $levels; |
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$this->throwAt = is_numeric($throwAt) ? (int) $throwAt : (null === $throwAt ? null : ($throwAt ? -1 : null)); |
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$this->scream = (bool) $scream; |
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$this->fileLinkFormat = $fileLinkFormat ?: ini_get('xdebug.file_link_format') ?: get_cfg_var('xdebug.file_link_format'); |
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} |
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/** |
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* Configures the error handler. |
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* |
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* @param Event|null $event The triggering event |
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*/ |
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public function configure(Event $event = null) |
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{ |
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if (!$this->firstCall) { |
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return; |
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} |
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$this->firstCall = false; |
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if ($this->logger || null !== $this->throwAt) { |
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$handler = set_error_handler('var_dump'); |
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$handler = is_array($handler) ? $handler[0] : null; |
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restore_error_handler(); |
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if ($handler instanceof ErrorHandler) { |
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if ($this->logger) { |
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$handler->setDefaultLogger($this->logger, $this->levels); |
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if (is_array($this->levels)) { |
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$scream = 0; |
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foreach ($this->levels as $type => $log) { |
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$scream |= $type; |
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} |
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} else { |
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$scream = null === $this->levels ? E_ALL | E_STRICT : $this->levels; |
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} |
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if ($this->scream) { |
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$handler->screamAt($scream); |
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} |
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$this->logger = $this->levels = null; |
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} |
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if (null !== $this->throwAt) { |
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$handler->throwAt($this->throwAt, true); |
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} |
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} |
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} |
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if (!$this->exceptionHandler) { |
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if ($event instanceof KernelEvent) { |
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if (method_exists($event->getKernel(), 'terminateWithException')) { |
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$this->exceptionHandler = array($event->getKernel(), 'terminateWithException'); |
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} |
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} elseif ($event instanceof ConsoleEvent && $app = $event->getCommand()->getApplication()) { |
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$output = $event->getOutput(); |
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if ($output instanceof ConsoleOutputInterface) { |
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$output = $output->getErrorOutput(); |
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} |
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$this->exceptionHandler = function ($e) use ($app, $output) { |
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$app->renderException($e, $output); |
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}; |
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} |
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} |
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if ($this->exceptionHandler) { |
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$handler = set_exception_handler('var_dump'); |
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$handler = is_array($handler) ? $handler[0] : null; |
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restore_exception_handler(); |
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if ($handler instanceof ErrorHandler) { |
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$h = $handler->setExceptionHandler('var_dump') ?: $this->exceptionHandler; |
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$handler->setExceptionHandler($h); |
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$handler = is_array($h) ? $h[0] : null; |
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} |
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if ($handler instanceof ExceptionHandler) { |
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$handler->setHandler($this->exceptionHandler); |
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if (null !== $this->fileLinkFormat) { |
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$handler->setFileLinkFormat($this->fileLinkFormat); |
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} |
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} |
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$this->exceptionHandler = null; |
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} |
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} |
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public static function getSubscribedEvents() |
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{ |
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$events = array(KernelEvents::REQUEST => array('configure', 2048)); |
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if (defined('Symfony\Component\Console\ConsoleEvents::COMMAND')) { |
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$events[ConsoleEvents::COMMAND] = array('configure', 2048); |
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} |
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return $events; |
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} |
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} |
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This error could be the result of:
1. Missing dependencies
PHP Analyzer uses your
composer.json
file (if available) to determine the dependencies of your project and to determine all the available classes and functions. It expects thecomposer.json
to be in the root folder of your repository.Are you sure this class is defined by one of your dependencies, or did you maybe not list a dependency in either the
require
orrequire-dev
section?2. Missing use statement
PHP does not complain about undefined classes in
ìnstanceof
checks. For example, the following PHP code will work perfectly fine:If you have not tested against this specific condition, such errors might go unnoticed.