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<?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\ErrorHandler;
use Psr\Log\LoggerInterface;
use Psr\Log\LogLevel;
use Symfony\Component\ErrorHandler\Error\FatalError;
use Symfony\Component\ErrorHandler\Error\OutOfMemoryError;
use Symfony\Component\ErrorHandler\ErrorEnhancer\ClassNotFoundErrorEnhancer;
use Symfony\Component\ErrorHandler\ErrorEnhancer\ErrorEnhancerInterface;
use Symfony\Component\ErrorHandler\ErrorEnhancer\UndefinedFunctionErrorEnhancer;
use Symfony\Component\ErrorHandler\ErrorEnhancer\UndefinedMethodErrorEnhancer;
use Symfony\Component\ErrorHandler\ErrorRenderer\CliErrorRenderer;
use Symfony\Component\ErrorHandler\ErrorRenderer\HtmlErrorRenderer;
use Symfony\Component\ErrorHandler\Exception\SilencedErrorContext;
/**
* 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
*/
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 $configureException;
private $debug;
private $isRecursive = 0;
private $isRoot = false;
private $exceptionHandler;
private $bootstrappingLogger;
private static $reservedMemory;
private static $toStringException;
private static $silencedErrorCache = [];
private static $silencedErrorCount = 0;
private static $exitCode = 0;
/**
* Registers the error handler.
*/
public static function register(self $handler = null, bool $replace = true): self
{
if (null === self::$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, 'renderException']);
}
$handler->throwAt(\E_ALL & $handler->thrownErrors, true);
return $handler;
}
/**
* Calls a function and turns any PHP error into \ErrorException.
*
* @return mixed What $function(...$arguments) returns
*
* @throws \ErrorException When $function(...$arguments) triggers a PHP error
*/
public static function call(callable $function, ...$arguments)
{
set_error_handler(static function (int $type, string $message, string $file, int $line) {
if (__FILE__ === $file) {
$trace = debug_backtrace(\DEBUG_BACKTRACE_IGNORE_ARGS, 3);
$file = $trace[2]['file'] ?? $file;
$line = $trace[2]['line'] ?? $line;
}
throw new \ErrorException($message, 0, $type, $file, $line);
});
try {
return $function(...$arguments);
} finally {
restore_error_handler();
}
}
public function __construct(BufferingLogger $bootstrappingLogger = null, bool $debug = false)
{
if ($bootstrappingLogger) {
$this->bootstrappingLogger = $bootstrappingLogger;
$this->setDefaultLogger($bootstrappingLogger);
}
$traceReflector = new \ReflectionProperty(\Exception::class, 'trace');
$traceReflector->setAccessible(true);
$this->configureException = \Closure::bind(static function ($e, $trace, $file = null, $line = null) use ($traceReflector) {
$traceReflector->setValue($e, $trace);
$e->file = $file ?? $e->file;
$e->line = $line ?? $e->line;
}, null, new class() extends \Exception {
});
$this->debug = $debug;
}
/**
* 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, bool $replace = false): void
{
$loggers = [];
if (\is_array($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): array
{
$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) {
$type = ThrowableUtils::getSeverity($log[2]['exception']);
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(\Throwable $e)|null $handler
*
* @return callable|null The previous exception handler
*/
public function setExceptionHandler(?callable $handler): ?callable
{
$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(int $levels, bool $replace = false): int
{
$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(int $levels, bool $replace = false): int
{
$prev = $this->scopedErrors;
$this->scopedErrors = $levels;
if (!$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(int $levels, bool $replace = false): int
{
$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(int $levels, bool $replace = false): int
{
$prev = $this->screamedErrors;
$this->screamedErrors = $levels;
if (!$replace) {
$this->screamedErrors |= $prev;
}
return $prev;
}
/**
* Re-registers as a PHP error handler if levels changed.
*/
private function reRegister(int $prev): void
{
if ($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.
*
* @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(int $type, string $message, string $file, int $line): bool
{
if (\PHP_VERSION_ID >= 70300 && \E_WARNING === $type && '"' === $message[0] && false !== strpos($message, '" targeting switch is equivalent to "break')) {
$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;
// Never throw on warnings triggered by assert()
if (\E_WARNING === $type && 'a' === $message[0] && 0 === strncmp($message, 'assert(): ', 10)) {
$throw = 0;
}
if (!$type || (!$log && !$throw)) {
return false;
}
$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 === $lightTrace) {
return true;
}
} else {
if (false !== strpos($message, '@anonymous')) {
$backtrace = debug_backtrace(false, 5);
for ($i = 1; isset($backtrace[$i]); ++$i) {
if (isset($backtrace[$i]['function'], $backtrace[$i]['args'][0])
&& ('trigger_error' === $backtrace[$i]['function'] || 'user_error' === $backtrace[$i]['function'])
) {
if ($backtrace[$i]['args'][0] !== $message) {
$message = $this->parseAnonymousClass($backtrace[$i]['args'][0]);
$logMessage = $this->levels[$type].': '.$message;
}
break;
}
}
}
$errorAsException = new \ErrorException($logMessage, 0, $type, $file, $line);
if ($throw || $this->tracedErrors & $type) {
$backtrace = $errorAsException->getTrace();
$lightTrace = $this->cleanTrace($backtrace, $type, $file, $line, $throw);
($this->configureException)($errorAsException, $lightTrace, $file, $line);
} else {
($this->configureException)($errorAsException, []);
$backtrace = [];
}
}
if ($throw) {
if (\PHP_VERSION_ID < 70400 && \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.
$context = 4 < \func_num_args() ? (func_get_arg(4) ?: []) : [];
foreach ($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 (\PHP_VERSION_ID < (\PHP_VERSION_ID < 70400 ? 70316 : 70404)) {
$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 {
$this->isRecursive = false;
if (\PHP_VERSION_ID < (\PHP_VERSION_ID < 70400 ? 70316 : 70404)) {
set_error_handler($currentErrorHandler);
}
}
}
return !$silenced && $type && $log;
}
/**
* Handles an exception by logging then forwarding it to another handler.
*
* @internal
*/
public function handleException(\Throwable $exception)
{
$handlerException = null;
if (!$exception instanceof FatalError) {
self::$exitCode = 255;
$type = ThrowableUtils::getSeverity($exception);
} else {
$type = $exception->getError()['type'];
}
if ($this->loggedErrors & $type) {
if (false !== strpos($message = $exception->getMessage(), "@anonymous\0")) {
$message = $this->parseAnonymousClass($message);
}
if ($exception instanceof FatalError) {
$message = 'Fatal '.$message;
} elseif ($exception instanceof \Error) {
$message = 'Uncaught Error: '.$message;
} elseif ($exception instanceof \ErrorException) {
$message = 'Uncaught '.$message;
} else {
$message = 'Uncaught Exception: '.$message;
}
try {
$this->loggers[$type][0]->log($this->loggers[$type][1], $message, ['exception' => $exception]);
} catch (\Throwable $handlerException) {
}
}
if (!$exception instanceof OutOfMemoryError) {
foreach ($this->getErrorEnhancers() as $errorEnhancer) {
if ($e = $errorEnhancer->enhance($exception)) {
$exception = $e;
break;
}
}
}
$exceptionHandler = $this->exceptionHandler;
$this->exceptionHandler = [$this, 'renderException'];
if (null === $exceptionHandler || $exceptionHandler === $this->exceptionHandler) {
$this->exceptionHandler = null;
}
try {
if (null !== $exceptionHandler) {
return $exceptionHandler($exception);
}
$handlerException = $handlerException ?: $exception;
} catch (\Throwable $handlerException) {
}
if ($exception === $handlerException && null === $this->exceptionHandler) {
self::$reservedMemory = null; // Disable the fatal error handler
throw $exception; // Give back $exception to the native handler
}
$loggedErrors = $this->loggedErrors;
$this->loggedErrors = $exception === $handlerException ? 0 : $this->loggedErrors;
try {
$this->handleException($handlerException);
} finally {
$this->loggedErrors = $loggedErrors;
}
}
/**
* Shutdown registered function for handling PHP fatal errors.
*
* @param array|null $error An array as returned by error_get_last()
*
* @internal
*/
public static function handleFatalError(array $error = null): void
{
if (null === self::$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 = $error['backtrace'] ?? null;
if (0 === strpos($error['message'], 'Allowed memory') || 0 === strpos($error['message'], 'Out of memory')) {
$fatalError = new OutOfMemoryError($handler->levels[$error['type']].': '.$error['message'], 0, $error, 2, false, $trace);
} else {
$fatalError = new FatalError($handler->levels[$error['type']].': '.$error['message'], 0, $error, 2, true, $trace);
}
} else {
$fatalError = null;
}
try {
if (null !== $fatalError) {
self::$exitCode = 255;
$handler->handleException($fatalError);
}
} catch (FatalError $e) {
// Ignore this re-throw
}
if ($exit && self::$exitCode) {
$exitCode = self::$exitCode;
register_shutdown_function('register_shutdown_function', function () use ($exitCode) { exit($exitCode); });
}
}
/**
* Renders the given exception.
*
* As this method is mainly called during boot where nothing is yet available,
* the output is always either HTML or CLI depending where PHP runs.
*/
private function renderException(\Throwable $exception): void
{
$renderer = \in_array(\PHP_SAPI, ['cli', 'phpdbg'], true) ? new CliErrorRenderer() : new HtmlErrorRenderer($this->debug);
$exception = $renderer->render($exception);
if (!headers_sent()) {
http_response_code($exception->getStatusCode());
foreach ($exception->getHeaders() as $name => $value) {
header($name.': '.$value, false);
}
}
echo $exception->getAsString();
}
/**
* Override this method if you want to define more error enhancers.
*
* @return ErrorEnhancerInterface[]
*/
protected function getErrorEnhancers(): iterable
{
return [
new UndefinedFunctionErrorEnhancer(),
new UndefinedMethodErrorEnhancer(),
new ClassNotFoundErrorEnhancer(),
];
}
/**
* Cleans the trace by removing function arguments and the frames added by the error handler and DebugClassLoader.
*/
private function cleanTrace(array $backtrace, int $type, string &$file, int &$line, bool $throw): array
{
$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 (\E_USER_DEPRECATED === $type) {
for ($i = 0; isset($lightTrace[$i]); ++$i) {
if (!isset($lightTrace[$i]['file'], $lightTrace[$i]['line'], $lightTrace[$i]['function'])) {
continue;
}
if (!isset($lightTrace[$i]['class']) && 'trigger_deprecation' === $lightTrace[$i]['function']) {
$file = $lightTrace[$i]['file'];
$line = $lightTrace[$i]['line'];
$lightTrace = \array_slice($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;
}
/**
* Parse the error message by removing the anonymous class notation
* and using the parent class instead if possible.
*/
private function parseAnonymousClass(string $message): string
{
return preg_replace_callback('/[a-zA-Z_\x7f-\xff][\\\\a-zA-Z0-9_\x7f-\xff]*+@anonymous\x00.*?\.php(?:0x?|:[0-9]++\$)[0-9a-fA-F]++/', static function ($m) {
return class_exists($m[0], false) ? (get_parent_class($m[0]) ?: key(class_implements($m[0])) ?: 'class').'@anonymous' : $m[0];
}, $message);
}
}