deleted file mode 100644

@@ -1,715 +0,0 @@

-<?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\Debug;

-

-use Psr\Log\LoggerInterface;

-use Psr\Log\LogLevel;

-use Symfony\Component\Debug\Exception\FatalErrorException;

-use Symfony\Component\Debug\Exception\FatalThrowableError;

-use Symfony\Component\Debug\Exception\FlattenException;

-use Symfony\Component\Debug\Exception\OutOfMemoryException;

-use Symfony\Component\Debug\Exception\SilencedErrorContext;

-use Symfony\Component\Debug\FatalErrorHandler\ClassNotFoundFatalErrorHandler;

-use Symfony\Component\Debug\FatalErrorHandler\FatalErrorHandlerInterface;

-use Symfony\Component\Debug\FatalErrorHandler\UndefinedFunctionFatalErrorHandler;

-use Symfony\Component\Debug\FatalErrorHandler\UndefinedMethodFatalErrorHandler;

-

-/**

- * A generic ErrorHandler for the PHP engine.

- *

- * Provides five bit fields that control how errors are handled:

- * - thrownErrors: errors thrown as \ErrorException

- * - loggedErrors: logged errors, when not @-silenced

- * - scopedErrors: errors thrown or logged with their local context

- * - tracedErrors: errors logged with their stack trace

- * - screamedErrors: never @-silenced errors

- *

- * Each error level can be logged by a dedicated PSR-3 logger object.

- * Screaming only applies to logging.

- * Throwing takes precedence over logging.

- * Uncaught exceptions are logged as E_ERROR.

- * E_DEPRECATED and E_USER_DEPRECATED levels never throw.

- * E_RECOVERABLE_ERROR and E_USER_ERROR levels always throw.

- * Non catchable errors that can be detected at shutdown time are logged when the scream bit field allows so.

- * As errors have a performance cost, repeated errors are all logged, so that the developer

- * can see them and weight them as more important to fix than others of the same level.

- *

- * @author Nicolas Grekas <p@tchwork.com>

- * @author Grégoire Pineau <lyrixx@lyrixx.info>

- *

- * @final since Symfony 4.3

- */

-class ErrorHandler

-{

-    private $levels = [

-        E_DEPRECATED => 'Deprecated',

-        E_USER_DEPRECATED => 'User Deprecated',

-        E_NOTICE => 'Notice',

-        E_USER_NOTICE => 'User Notice',

-        E_STRICT => 'Runtime Notice',

-        E_WARNING => 'Warning',

-        E_USER_WARNING => 'User Warning',

-        E_COMPILE_WARNING => 'Compile Warning',

-        E_CORE_WARNING => 'Core Warning',

-        E_USER_ERROR => 'User Error',

-        E_RECOVERABLE_ERROR => 'Catchable Fatal Error',

-        E_COMPILE_ERROR => 'Compile Error',

-        E_PARSE => 'Parse Error',

-        E_ERROR => 'Error',

-        E_CORE_ERROR => 'Core Error',

-    ];

-

-    private $loggers = [

-        E_DEPRECATED => [null, LogLevel::INFO],

-        E_USER_DEPRECATED => [null, LogLevel::INFO],

-        E_NOTICE => [null, LogLevel::WARNING],

-        E_USER_NOTICE => [null, LogLevel::WARNING],

-        E_STRICT => [null, LogLevel::WARNING],

-        E_WARNING => [null, LogLevel::WARNING],

-        E_USER_WARNING => [null, LogLevel::WARNING],

-        E_COMPILE_WARNING => [null, LogLevel::WARNING],

-        E_CORE_WARNING => [null, LogLevel::WARNING],

-        E_USER_ERROR => [null, LogLevel::CRITICAL],

-        E_RECOVERABLE_ERROR => [null, LogLevel::CRITICAL],

-        E_COMPILE_ERROR => [null, LogLevel::CRITICAL],

-        E_PARSE => [null, LogLevel::CRITICAL],

-        E_ERROR => [null, LogLevel::CRITICAL],

-        E_CORE_ERROR => [null, LogLevel::CRITICAL],

-    ];

-

-    private $thrownErrors = 0x1FFF; // E_ALL - E_DEPRECATED - E_USER_DEPRECATED

-    private $scopedErrors = 0x1FFF; // E_ALL - E_DEPRECATED - E_USER_DEPRECATED

-    private $tracedErrors = 0x77FB; // E_ALL - E_STRICT - E_PARSE

-    private $screamedErrors = 0x55; // E_ERROR + E_CORE_ERROR + E_COMPILE_ERROR + E_PARSE

-    private $loggedErrors = 0;

-    private $traceReflector;

-

-    private $isRecursive = 0;

-    private $isRoot = false;

-    private $exceptionHandler;

-    private $bootstrappingLogger;

-

-    private static $reservedMemory;

-    private static $toStringException = null;

-    private static $silencedErrorCache = [];

-    private static $silencedErrorCount = 0;

-    private static $exitCode = 0;

-

-    /**

-     * Registers the error handler.

-     *

-     * @param self|null $handler The handler to register

-     * @param bool      $replace Whether to replace or not any existing handler

-     *

-     * @return self The registered error handler

-     */

-    public static function register(self $handler = null, $replace = true)

-    {

-        if (null === self::$reservedMemory) {

-            self::$reservedMemory = str_repeat('x', 10240);

-            register_shutdown_function(__CLASS__.'::handleFatalError');

-        }

-

-        if ($handlerIsNew = null === $handler) {

-            $handler = new static();

-        }

-

-        if (null === $prev = set_error_handler([$handler, 'handleError'])) {

-            restore_error_handler();

-            // Specifying the error types earlier would expose us to https://bugs.php.net/63206

-            set_error_handler([$handler, 'handleError'], $handler->thrownErrors | $handler->loggedErrors);

-            $handler->isRoot = true;

-        }

-

-        if ($handlerIsNew && \is_array($prev) && $prev[0] instanceof self) {

-            $handler = $prev[0];

-            $replace = false;

-        }

-        if (!$replace && $prev) {

-            restore_error_handler();

-            $handlerIsRegistered = \is_array($prev) && $handler === $prev[0];

-        } else {

-            $handlerIsRegistered = true;

-        }

-        if (\is_array($prev = set_exception_handler([$handler, 'handleException'])) && $prev[0] instanceof self) {

-            restore_exception_handler();

-            if (!$handlerIsRegistered) {

-                $handler = $prev[0];

-            } elseif ($handler !== $prev[0] && $replace) {

-                set_exception_handler([$handler, 'handleException']);

-                $p = $prev[0]->setExceptionHandler(null);

-                $handler->setExceptionHandler($p);

-                $prev[0]->setExceptionHandler($p);

-            }

-        } else {

-            $handler->setExceptionHandler($prev);

-        }

-

-        $handler->throwAt(E_ALL & $handler->thrownErrors, true);

-

-        return $handler;

-    }

-

-    public function __construct(BufferingLogger $bootstrappingLogger = null)

-    {

-        if ($bootstrappingLogger) {

-            $this->bootstrappingLogger = $bootstrappingLogger;

-            $this->setDefaultLogger($bootstrappingLogger);

-        }

-        $this->traceReflector = new \ReflectionProperty('Exception', 'trace');

-        $this->traceReflector->setAccessible(true);

-    }

-

-    /**

-     * Sets a logger to non assigned errors levels.

-     *

-     * @param LoggerInterface $logger  A PSR-3 logger to put as default for the given levels

-     * @param array|int       $levels  An array map of E_* to LogLevel::* or an integer bit field of E_* constants

-     * @param bool            $replace Whether to replace or not any existing logger

-     */

-    public function setDefaultLogger(LoggerInterface $logger, $levels = E_ALL, $replace = false)

-    {

-        $loggers = [];

-

-        if (\is_array($levels)) {

-            foreach ($levels as $type => $logLevel) {

-                if (empty($this->loggers[$type][0]) || $replace || $this->loggers[$type][0] === $this->bootstrappingLogger) {

-                    $loggers[$type] = [$logger, $logLevel];

-                }

-            }

-        } else {

-            if (null === $levels) {

-                $levels = E_ALL;

-            }

-            foreach ($this->loggers as $type => $log) {

-                if (($type & $levels) && (empty($log[0]) || $replace || $log[0] === $this->bootstrappingLogger)) {

-                    $log[0] = $logger;

-                    $loggers[$type] = $log;

-                }

-            }

-        }

-

-        $this->setLoggers($loggers);

-    }

-

-    /**

-     * Sets a logger for each error level.

-     *

-     * @param array $loggers Error levels to [LoggerInterface|null, LogLevel::*] map

-     *

-     * @return array The previous map

-     *

-     * @throws \InvalidArgumentException

-     */

-    public function setLoggers(array $loggers)

-    {

-        $prevLogged = $this->loggedErrors;

-        $prev = $this->loggers;

-        $flush = [];

-

-        foreach ($loggers as $type => $log) {

-            if (!isset($prev[$type])) {

-                throw new \InvalidArgumentException('Unknown error type: '.$type);

-            }

-            if (!\is_array($log)) {

-                $log = [$log];

-            } elseif (!\array_key_exists(0, $log)) {

-                throw new \InvalidArgumentException('No logger provided');

-            }

-            if (null === $log[0]) {

-                $this->loggedErrors &= ~$type;

-            } elseif ($log[0] instanceof LoggerInterface) {

-                $this->loggedErrors |= $type;

-            } else {

-                throw new \InvalidArgumentException('Invalid logger provided');

-            }

-            $this->loggers[$type] = $log + $prev[$type];

-

-            if ($this->bootstrappingLogger && $prev[$type][0] === $this->bootstrappingLogger) {

-                $flush[$type] = $type;

-            }

-        }

-        $this->reRegister($prevLogged | $this->thrownErrors);

-

-        if ($flush) {

-            foreach ($this->bootstrappingLogger->cleanLogs() as $log) {

-                $type = $log[2]['exception'] instanceof \ErrorException ? $log[2]['exception']->getSeverity() : E_ERROR;

-                if (!isset($flush[$type])) {

-                    $this->bootstrappingLogger->log($log[0], $log[1], $log[2]);

-                } elseif ($this->loggers[$type][0]) {

-                    $this->loggers[$type][0]->log($this->loggers[$type][1], $log[1], $log[2]);

-                }

-            }

-        }

-

-        return $prev;

-    }

-

-    /**

-     * Sets a user exception handler.

-     *

-     * @param callable $handler A handler that will be called on Exception

-     *

-     * @return callable|null The previous exception handler

-     */

-    public function setExceptionHandler(callable $handler = null)

-    {

-        $prev = $this->exceptionHandler;

-        $this->exceptionHandler = $handler;

-

-        return $prev;

-    }

-

-    /**

-     * Sets the PHP error levels that throw an exception when a PHP error occurs.

-     *

-     * @param int  $levels  A bit field of E_* constants for thrown errors

-     * @param bool $replace Replace or amend the previous value

-     *

-     * @return int The previous value

-     */

-    public function throwAt($levels, $replace = false)

-    {

-        $prev = $this->thrownErrors;

-        $this->thrownErrors = ($levels | E_RECOVERABLE_ERROR | E_USER_ERROR) & ~E_USER_DEPRECATED & ~E_DEPRECATED;

-        if (!$replace) {

-            $this->thrownErrors |= $prev;

-        }

-        $this->reRegister($prev | $this->loggedErrors);

-

-        return $prev;

-    }

-

-    /**

-     * Sets the PHP error levels for which local variables are preserved.

-     *

-     * @param int  $levels  A bit field of E_* constants for scoped errors

-     * @param bool $replace Replace or amend the previous value

-     *

-     * @return int The previous value

-     */

-    public function scopeAt($levels, $replace = false)

-    {

-        $prev = $this->scopedErrors;

-        $this->scopedErrors = (int) $levels;

-        if (!$replace) {

-            $this->scopedErrors |= $prev;

-        }

-

-        return $prev;

-    }

-

-    /**

-     * Sets the PHP error levels for which the stack trace is preserved.

-     *

-     * @param int  $levels  A bit field of E_* constants for traced errors

-     * @param bool $replace Replace or amend the previous value

-     *

-     * @return int The previous value

-     */

-    public function traceAt($levels, $replace = false)

-    {

-        $prev = $this->tracedErrors;

-        $this->tracedErrors = (int) $levels;

-        if (!$replace) {

-            $this->tracedErrors |= $prev;

-        }

-

-        return $prev;

-    }

-

-    /**

-     * Sets the error levels where the @-operator is ignored.

-     *

-     * @param int  $levels  A bit field of E_* constants for screamed errors

-     * @param bool $replace Replace or amend the previous value

-     *

-     * @return int The previous value

-     */

-    public function screamAt($levels, $replace = false)

-    {

-        $prev = $this->screamedErrors;

-        $this->screamedErrors = (int) $levels;

-        if (!$replace) {

-            $this->screamedErrors |= $prev;

-        }

-

-        return $prev;

-    }

-

-    /**

-     * Re-registers as a PHP error handler if levels changed.

-     */

-    private function reRegister($prev)

-    {

-        if ($prev !== $this->thrownErrors | $this->loggedErrors) {

-            $handler = set_error_handler('var_dump');

-            $handler = \is_array($handler) ? $handler[0] : null;

-            restore_error_handler();

-            if ($handler === $this) {

-                restore_error_handler();

-                if ($this->isRoot) {

-                    set_error_handler([$this, 'handleError'], $this->thrownErrors | $this->loggedErrors);

-                } else {

-                    set_error_handler([$this, 'handleError']);

-                }

-            }

-        }

-    }

-

-    /**

-     * Handles errors by filtering then logging them according to the configured bit fields.

-     *

-     * @param int    $type    One of the E_* constants

-     * @param string $message

-     * @param string $file

-     * @param int    $line

-     *

-     * @return bool Returns false when no handling happens so that the PHP engine can handle the error itself

-     *

-     * @throws \ErrorException When $this->thrownErrors requests so

-     *

-     * @internal

-     */

-    public function handleError($type, $message, $file, $line)

-    {

-        // @deprecated to be removed in Symfony 5.0

-        if (\PHP_VERSION_ID >= 70300 && $message && '"' === $message[0] && 0 === strpos($message, '"continue') && preg_match('/^"continue(?: \d++)?" targeting switch is equivalent to "break(?: \d++)?"\. Did you mean to use "continue(?: \d++)?"\?$/', $message)) {

-            $type = E_DEPRECATED;

-        }

-

-        // Level is the current error reporting level to manage silent error.

-        $level = error_reporting();

-        $silenced = 0 === ($level & $type);

-        // Strong errors are not authorized to be silenced.

-        $level |= E_RECOVERABLE_ERROR | E_USER_ERROR | E_DEPRECATED | E_USER_DEPRECATED;

-        $log = $this->loggedErrors & $type;

-        $throw = $this->thrownErrors & $type & $level;

-        $type &= $level | $this->screamedErrors;

-

-        if (!$type || (!$log && !$throw)) {

-            return !$silenced && $type && $log;

-        }

-        $scope = $this->scopedErrors & $type;

-

-        if (4 < $numArgs = \func_num_args()) {

-            $context = $scope ? (func_get_arg(4) ?: []) : [];

-        } else {

-            $context = [];

-        }

-

-        if (isset($context['GLOBALS']) && $scope) {

-            $e = $context;                  // Whatever the signature of the method,

-            unset($e['GLOBALS'], $context); // $context is always a reference in 5.3

-            $context = $e;

-        }

-

-        if (false !== strpos($message, "class@anonymous\0")) {

-            $logMessage = $this->levels[$type].': '.(new FlattenException())->setMessage($message)->getMessage();

-        } else {

-            $logMessage = $this->levels[$type].': '.$message;

-        }

-

-        if (null !== self::$toStringException) {

-            $errorAsException = self::$toStringException;

-            self::$toStringException = null;

-        } elseif (!$throw && !($type & $level)) {

-            if (!isset(self::$silencedErrorCache[$id = $file.':'.$line])) {

-                $lightTrace = $this->tracedErrors & $type ? $this->cleanTrace(debug_backtrace(DEBUG_BACKTRACE_IGNORE_ARGS, 5), $type, $file, $line, false) : [];

-                $errorAsException = new SilencedErrorContext($type, $file, $line, isset($lightTrace[1]) ? [$lightTrace[0]] : $lightTrace);

-            } elseif (isset(self::$silencedErrorCache[$id][$message])) {

-                $lightTrace = null;

-                $errorAsException = self::$silencedErrorCache[$id][$message];

-                ++$errorAsException->count;

-            } else {

-                $lightTrace = [];

-                $errorAsException = null;

-            }

-

-            if (100 < ++self::$silencedErrorCount) {

-                self::$silencedErrorCache = $lightTrace = [];

-                self::$silencedErrorCount = 1;

-            }

-            if ($errorAsException) {

-                self::$silencedErrorCache[$id][$message] = $errorAsException;

-            }

-            if (null === $lightTrace) {

-                return;

-            }

-        } else {

-            $errorAsException = new \ErrorException($logMessage, 0, $type, $file, $line);

-

-            if ($throw || $this->tracedErrors & $type) {

-                $backtrace = $errorAsException->getTrace();

-                $lightTrace = $this->cleanTrace($backtrace, $type, $file, $line, $throw);

-                $this->traceReflector->setValue($errorAsException, $lightTrace);

-            } else {

-                $this->traceReflector->setValue($errorAsException, []);

-                $backtrace = [];

-            }

-        }

-

-        if ($throw) {

-            if (E_USER_ERROR & $type) {

-                for ($i = 1; isset($backtrace[$i]); ++$i) {

-                    if (isset($backtrace[$i]['function'], $backtrace[$i]['type'], $backtrace[$i - 1]['function'])

-                        && '__toString' === $backtrace[$i]['function']

-                        && '->' === $backtrace[$i]['type']

-                        && !isset($backtrace[$i - 1]['class'])

-                        && ('trigger_error' === $backtrace[$i - 1]['function'] || 'user_error' === $backtrace[$i - 1]['function'])

-                    ) {

-                        // Here, we know trigger_error() has been called from __toString().

-                        // PHP triggers a fatal error when throwing from __toString().

-                        // A small convention allows working around the limitation:

-                        // given a caught $e exception in __toString(), quitting the method with

-                        // `return trigger_error($e, E_USER_ERROR);` allows this error handler

-                        // to make $e get through the __toString() barrier.

-

-                        foreach ($context as $e) {

-                            if ($e instanceof \Throwable && $e->__toString() === $message) {

-                                self::$toStringException = $e;

-

-                                return true;

-                            }

-                        }

-

-                        // Display the original error message instead of the default one.

-                        $this->handleException($errorAsException);

-

-                        // Stop the process by giving back the error to the native handler.

-                        return false;

-                    }

-                }

-            }

-

-            throw $errorAsException;

-        }

-

-        if ($this->isRecursive) {

-            $log = 0;

-        } else {

-            if (!\defined('HHVM_VERSION')) {

-                $currentErrorHandler = set_error_handler('var_dump');

-                restore_error_handler();

-            }

-

-            try {

-                $this->isRecursive = true;

-                $level = ($type & $level) ? $this->loggers[$type][1] : LogLevel::DEBUG;

-                $this->loggers[$type][0]->log($level, $logMessage, $errorAsException ? ['exception' => $errorAsException] : []);

-            } finally {

-                $this->isRecursive = false;

-

-                if (!\defined('HHVM_VERSION')) {

-                    set_error_handler($currentErrorHandler);

-                }

-            }

-        }

-

-        return !$silenced && $type && $log;

-    }

-

-    /**

-     * Handles an exception by logging then forwarding it to another handler.

-     *

-     * @param \Exception|\Throwable $exception An exception to handle

-     * @param array                 $error     An array as returned by error_get_last()

-     *

-     * @internal

-     */

-    public function handleException($exception, array $error = null)

-    {

-        if (null === $error) {

-            self::$exitCode = 255;

-        }

-        if (!$exception instanceof \Exception) {

-            $exception = new FatalThrowableError($exception);

-        }

-        $type = $exception instanceof FatalErrorException ? $exception->getSeverity() : E_ERROR;

-        $handlerException = null;

-

-        if (($this->loggedErrors & $type) || $exception instanceof FatalThrowableError) {

-            if (false !== strpos($message = $exception->getMessage(), "class@anonymous\0")) {

-                $message = (new FlattenException())->setMessage($message)->getMessage();

-            }

-            if ($exception instanceof FatalErrorException) {

-                if ($exception instanceof FatalThrowableError) {

-                    $error = [

-                        'type' => $type,

-                        'message' => $message,

-                        'file' => $exception->getFile(),

-                        'line' => $exception->getLine(),

-                    ];

-                } else {

-                    $message = 'Fatal '.$message;

-                }

-            } elseif ($exception instanceof \ErrorException) {

-                $message = 'Uncaught '.$message;

-            } else {

-                $message = 'Uncaught Exception: '.$message;

-            }

-        }

-        if ($this->loggedErrors & $type) {

-            try {

-                $this->loggers[$type][0]->log($this->loggers[$type][1], $message, ['exception' => $exception]);

-            } catch (\Throwable $handlerException) {

-            }

-        }

-        if ($exception instanceof FatalErrorException && !$exception instanceof OutOfMemoryException && $error) {

-            foreach ($this->getFatalErrorHandlers() as $handler) {

-                if ($e = $handler->handleError($error, $exception)) {

-                    $exception = $e;

-                    break;

-                }

-            }

-        }

-        $exceptionHandler = $this->exceptionHandler;

-        $this->exceptionHandler = null;

-        try {

-            if (null !== $exceptionHandler) {

-                return $exceptionHandler($exception);

-            }

-            $handlerException = $handlerException ?: $exception;

-        } catch (\Throwable $handlerException) {

-        }

-        if ($exception === $handlerException) {

-            self::$reservedMemory = null; // Disable the fatal error handler

-            throw $exception; // Give back $exception to the native handler

-        }

-        $this->handleException($handlerException);

-    }

-

-    /**

-     * Shutdown registered function for handling PHP fatal errors.

-     *

-     * @param array $error An array as returned by error_get_last()

-     *

-     * @internal

-     */

-    public static function handleFatalError(array $error = null)

-    {

-        if (null === self::$reservedMemory) {

-            return;

-        }

-

-        $handler = self::$reservedMemory = null;

-        $handlers = [];

-        $previousHandler = null;

-        $sameHandlerLimit = 10;

-

-        while (!\is_array($handler) || !$handler[0] instanceof self) {

-            $handler = set_exception_handler('var_dump');

-            restore_exception_handler();

-

-            if (!$handler) {

-                break;

-            }

-            restore_exception_handler();

-

-            if ($handler !== $previousHandler) {

-                array_unshift($handlers, $handler);

-                $previousHandler = $handler;

-            } elseif (0 === --$sameHandlerLimit) {

-                $handler = null;

-                break;

-            }

-        }

-        foreach ($handlers as $h) {

-            set_exception_handler($h);

-        }

-        if (!$handler) {

-            return;

-        }

-        if ($handler !== $h) {

-            $handler[0]->setExceptionHandler($h);

-        }

-        $handler = $handler[0];

-        $handlers = [];

-

-        if ($exit = null === $error) {

-            $error = error_get_last();

-        }

-

-        if ($error && $error['type'] &= E_PARSE | E_ERROR | E_CORE_ERROR | E_COMPILE_ERROR) {

-            // Let's not throw anymore but keep logging

-            $handler->throwAt(0, true);

-            $trace = isset($error['backtrace']) ? $error['backtrace'] : null;

-

-            if (0 === strpos($error['message'], 'Allowed memory') || 0 === strpos($error['message'], 'Out of memory')) {

-                $exception = new OutOfMemoryException($handler->levels[$error['type']].': '.$error['message'], 0, $error['type'], $error['file'], $error['line'], 2, false, $trace);

-            } else {

-                $exception = new FatalErrorException($handler->levels[$error['type']].': '.$error['message'], 0, $error['type'], $error['file'], $error['line'], 2, true, $trace);

-            }

-        } else {

-            $exception = null;

-        }

-

-        try {

-            if (null !== $exception) {

-                self::$exitCode = 255;

-                $handler->handleException($exception, $error);

-            }

-        } catch (FatalErrorException $e) {

-            // Ignore this re-throw

-        }

-

-        if ($exit && self::$exitCode) {

-            $exitCode = self::$exitCode;

-            register_shutdown_function('register_shutdown_function', function () use ($exitCode) { exit($exitCode); });

-        }

-    }

-

-    /**

-     * Gets the fatal error handlers.

-     *

-     * Override this method if you want to define more fatal error handlers.

-     *

-     * @return FatalErrorHandlerInterface[] An array of FatalErrorHandlerInterface

-     */

-    protected function getFatalErrorHandlers()

-    {

-        return [

-            new UndefinedFunctionFatalErrorHandler(),

-            new UndefinedMethodFatalErrorHandler(),

-            new ClassNotFoundFatalErrorHandler(),

-        ];

-    }

-

-    /**

-     * Cleans the trace by removing function arguments and the frames added by the error handler and DebugClassLoader.

-     */

-    private function cleanTrace($backtrace, $type, $file, $line, $throw)

-    {

-        $lightTrace = $backtrace;

-

-        for ($i = 0; isset($backtrace[$i]); ++$i) {

-            if (isset($backtrace[$i]['file'], $backtrace[$i]['line']) && $backtrace[$i]['line'] === $line && $backtrace[$i]['file'] === $file) {

-                $lightTrace = \array_slice($lightTrace, 1 + $i);

-                break;

-            }

-        }

-        if (class_exists(DebugClassLoader::class, false)) {

-            for ($i = \count($lightTrace) - 2; 0 < $i; --$i) {

-                if (DebugClassLoader::class === ($lightTrace[$i]['class'] ?? null)) {

-                    array_splice($lightTrace, --$i, 2);

-                }

-            }

-        }

-        if (!($throw || $this->scopedErrors & $type)) {

-            for ($i = 0; isset($lightTrace[$i]); ++$i) {

-                unset($lightTrace[$i]['args'], $lightTrace[$i]['object']);

-            }

-        }

-

-        return $lightTrace;

-    }

-}

new file mode 100644

@@ -0,0 +1,715 @@

+<?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\Debug;

+

+use Psr\Log\LoggerInterface;

+use Psr\Log\LogLevel;

+use Symfony\Component\Debug\Exception\FatalErrorException;

+use Symfony\Component\Debug\Exception\FatalThrowableError;

+use Symfony\Component\Debug\Exception\FlattenException;

+use Symfony\Component\Debug\Exception\OutOfMemoryException;

+use Symfony\Component\Debug\Exception\SilencedErrorContext;

+use Symfony\Component\Debug\FatalErrorHandler\ClassNotFoundFatalErrorHandler;

+use Symfony\Component\Debug\FatalErrorHandler\FatalErrorHandlerInterface;

+use Symfony\Component\Debug\FatalErrorHandler\UndefinedFunctionFatalErrorHandler;

+use Symfony\Component\Debug\FatalErrorHandler\UndefinedMethodFatalErrorHandler;

+

+/**

+ * A generic ErrorHandler for the PHP engine.

+ *

+ * Provides five bit fields that control how errors are handled:

+ * - thrownErrors: errors thrown as \ErrorException

+ * - loggedErrors: logged errors, when not @-silenced

+ * - scopedErrors: errors thrown or logged with their local context

+ * - tracedErrors: errors logged with their stack trace

+ * - screamedErrors: never @-silenced errors

+ *

+ * Each error level can be logged by a dedicated PSR-3 logger object.

+ * Screaming only applies to logging.

+ * Throwing takes precedence over logging.

+ * Uncaught exceptions are logged as E_ERROR.

+ * E_DEPRECATED and E_USER_DEPRECATED levels never throw.

+ * E_RECOVERABLE_ERROR and E_USER_ERROR levels always throw.

+ * Non catchable errors that can be detected at shutdown time are logged when the scream bit field allows so.

+ * As errors have a performance cost, repeated errors are all logged, so that the developer

+ * can see them and weight them as more important to fix than others of the same level.

+ *

+ * @author Nicolas Grekas <p@tchwork.com>

+ * @author Grégoire Pineau <lyrixx@lyrixx.info>

+ *

+ * @final since Symfony 4.3

+ */

+class ErrorHandler

+{

+    private $levels = [

+        E_DEPRECATED => 'Deprecated',

+        E_USER_DEPRECATED => 'User Deprecated',

+        E_NOTICE => 'Notice',

+        E_USER_NOTICE => 'User Notice',

+        E_STRICT => 'Runtime Notice',

+        E_WARNING => 'Warning',

+        E_USER_WARNING => 'User Warning',

+        E_COMPILE_WARNING => 'Compile Warning',

+        E_CORE_WARNING => 'Core Warning',

+        E_USER_ERROR => 'User Error',

+        E_RECOVERABLE_ERROR => 'Catchable Fatal Error',

+        E_COMPILE_ERROR => 'Compile Error',

+        E_PARSE => 'Parse Error',

+        E_ERROR => 'Error',

+        E_CORE_ERROR => 'Core Error',

+    ];

+

+    private $loggers = [

+        E_DEPRECATED => [null, LogLevel::INFO],

+        E_USER_DEPRECATED => [null, LogLevel::INFO],

+        E_NOTICE => [null, LogLevel::WARNING],

+        E_USER_NOTICE => [null, LogLevel::WARNING],

+        E_STRICT => [null, LogLevel::WARNING],

+        E_WARNING => [null, LogLevel::WARNING],

+        E_USER_WARNING => [null, LogLevel::WARNING],

+        E_COMPILE_WARNING => [null, LogLevel::WARNING],

+        E_CORE_WARNING => [null, LogLevel::WARNING],

+        E_USER_ERROR => [null, LogLevel::CRITICAL],

+        E_RECOVERABLE_ERROR => [null, LogLevel::CRITICAL],

+        E_COMPILE_ERROR => [null, LogLevel::CRITICAL],

+        E_PARSE => [null, LogLevel::CRITICAL],

+        E_ERROR => [null, LogLevel::CRITICAL],

+        E_CORE_ERROR => [null, LogLevel::CRITICAL],

+    ];

+

+    private $thrownErrors = 0x1FFF; // E_ALL - E_DEPRECATED - E_USER_DEPRECATED

+    private $scopedErrors = 0x1FFF; // E_ALL - E_DEPRECATED - E_USER_DEPRECATED

+    private $tracedErrors = 0x77FB; // E_ALL - E_STRICT - E_PARSE

+    private $screamedErrors = 0x55; // E_ERROR + E_CORE_ERROR + E_COMPILE_ERROR + E_PARSE

+    private $loggedErrors = 0;

+    private $traceReflector;

+

+    private $isRecursive = 0;

+    private $isRoot = false;

+    private $exceptionHandler;

+    private $bootstrappingLogger;

+

+    private static $reservedMemory;

+    private static $toStringException = null;

+    private static $silencedErrorCache = [];

+    private static $silencedErrorCount = 0;

+    private static $exitCode = 0;

+

+    /**

+     * Registers the error handler.

+     *

+     * @param self|null $handler The handler to register

+     * @param bool      $replace Whether to replace or not any existing handler

+     *

+     * @return self The registered error handler

+     */

+    public static function register(self $handler = null, $replace = true)

+    {

+        if (null === self::$reservedMemory) {

+            self::$reservedMemory = str_repeat('x', 10240);

+            register_shutdown_function(__CLASS__.'::handleFatalError');

+        }

+

+        if ($handlerIsNew = null === $handler) {

+            $handler = new static();

+        }

+

+        if (null === $prev = set_error_handler([$handler, 'handleError'])) {

+            restore_error_handler();

+            // Specifying the error types earlier would expose us to https://bugs.php.net/63206

+            set_error_handler([$handler, 'handleError'], $handler->thrownErrors | $handler->loggedErrors);

+            $handler->isRoot = true;

+        }

+

+        if ($handlerIsNew && \is_array($prev) && $prev[0] instanceof self) {

+            $handler = $prev[0];

+            $replace = false;

+        }

+        if (!$replace && $prev) {

+            restore_error_handler();

+            $handlerIsRegistered = \is_array($prev) && $handler === $prev[0];

+        } else {

+            $handlerIsRegistered = true;

+        }

+        if (\is_array($prev = set_exception_handler([$handler, 'handleException'])) && $prev[0] instanceof self) {

+            restore_exception_handler();

+            if (!$handlerIsRegistered) {

+                $handler = $prev[0];

+            } elseif ($handler !== $prev[0] && $replace) {

+                set_exception_handler([$handler, 'handleException']);

+                $p = $prev[0]->setExceptionHandler(null);

+                $handler->setExceptionHandler($p);

+                $prev[0]->setExceptionHandler($p);

+            }

+        } else {

+            $handler->setExceptionHandler($prev);

+        }