441 lines
12 KiB
PHP
441 lines
12 KiB
PHP
<?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 <fabien@symfony.com>
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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\ErrorHandler\Exception;
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use Symfony\Component\HttpFoundation\Exception\RequestExceptionInterface;
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use Symfony\Component\HttpFoundation\Response;
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use Symfony\Component\HttpKernel\Exception\HttpExceptionInterface;
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use Symfony\Component\VarDumper\Caster\Caster;
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use Symfony\Component\VarDumper\Cloner\Data;
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use Symfony\Component\VarDumper\Cloner\Stub;
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use Symfony\Component\VarDumper\Cloner\VarCloner;
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/**
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* FlattenException wraps a PHP Error or Exception to be able to serialize it.
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*
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* Basically, this class removes all objects from the trace.
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*
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* @author Fabien Potencier <fabien@symfony.com>
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*/
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class FlattenException
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{
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private string $message;
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private string|int $code;
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private ?self $previous = null;
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private array $trace;
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private string $traceAsString;
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private string $class;
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private int $statusCode;
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private string $statusText;
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private array $headers;
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private string $file;
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private int $line;
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private ?string $asString = null;
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private Data $dataRepresentation;
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public static function create(\Exception $exception, ?int $statusCode = null, array $headers = []): static
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{
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return static::createFromThrowable($exception, $statusCode, $headers);
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}
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public static function createFromThrowable(\Throwable $exception, ?int $statusCode = null, array $headers = []): static
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{
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$e = new static();
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$e->setMessage($exception->getMessage());
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$e->setCode($exception->getCode());
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if ($exception instanceof HttpExceptionInterface) {
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$statusCode = $exception->getStatusCode();
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$headers = array_merge($headers, $exception->getHeaders());
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} elseif ($exception instanceof RequestExceptionInterface) {
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$statusCode = 400;
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}
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$statusCode ??= 500;
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if (class_exists(Response::class) && isset(Response::$statusTexts[$statusCode])) {
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$statusText = Response::$statusTexts[$statusCode];
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} else {
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$statusText = 'Whoops, looks like something went wrong.';
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}
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$e->setStatusText($statusText);
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$e->setStatusCode($statusCode);
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$e->setHeaders($headers);
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$e->setTraceFromThrowable($exception);
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$e->setClass(get_debug_type($exception));
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$e->setFile($exception->getFile());
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$e->setLine($exception->getLine());
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$previous = $exception->getPrevious();
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if ($previous instanceof \Throwable) {
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$e->setPrevious(static::createFromThrowable($previous));
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}
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return $e;
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}
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public static function createWithDataRepresentation(\Throwable $throwable, ?int $statusCode = null, array $headers = [], ?VarCloner $cloner = null): static
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{
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$e = static::createFromThrowable($throwable, $statusCode, $headers);
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static $defaultCloner;
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if (!$cloner ??= $defaultCloner) {
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$cloner = $defaultCloner = new VarCloner();
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$cloner->addCasters([
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\Throwable::class => function (\Throwable $e, array $a, Stub $s, bool $isNested): array {
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if (!$isNested) {
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unset($a[Caster::PREFIX_PROTECTED.'message']);
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unset($a[Caster::PREFIX_PROTECTED.'code']);
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unset($a[Caster::PREFIX_PROTECTED.'file']);
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unset($a[Caster::PREFIX_PROTECTED.'line']);
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unset($a["\0Error\0trace"], $a["\0Exception\0trace"]);
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unset($a["\0Error\0previous"], $a["\0Exception\0previous"]);
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}
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return $a;
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},
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]);
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}
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return $e->setDataRepresentation($cloner->cloneVar($throwable));
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}
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public function toArray(): array
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{
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$exceptions = [];
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foreach (array_merge([$this], $this->getAllPrevious()) as $exception) {
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$exceptions[] = [
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'message' => $exception->getMessage(),
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'class' => $exception->getClass(),
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'trace' => $exception->getTrace(),
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'data' => $exception->getDataRepresentation(),
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];
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}
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return $exceptions;
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}
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public function getStatusCode(): int
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{
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return $this->statusCode;
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}
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/**
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* @return $this
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*/
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public function setStatusCode(int $code): static
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{
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$this->statusCode = $code;
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return $this;
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}
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public function getHeaders(): array
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{
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return $this->headers;
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}
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/**
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* @return $this
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*/
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public function setHeaders(array $headers): static
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{
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$this->headers = $headers;
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return $this;
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}
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public function getClass(): string
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{
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return $this->class;
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}
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/**
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* @return $this
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*/
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public function setClass(string $class): static
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{
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$this->class = str_contains($class, "@anonymous\0") ? (get_parent_class($class) ?: key(class_implements($class)) ?: 'class').'@anonymous' : $class;
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return $this;
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}
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public function getFile(): string
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{
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return $this->file;
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}
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/**
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* @return $this
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*/
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public function setFile(string $file): static
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{
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$this->file = $file;
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return $this;
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}
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public function getLine(): int
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{
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return $this->line;
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}
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/**
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* @return $this
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*/
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public function setLine(int $line): static
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{
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$this->line = $line;
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return $this;
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}
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public function getStatusText(): string
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{
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return $this->statusText;
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}
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/**
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* @return $this
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*/
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public function setStatusText(string $statusText): static
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{
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$this->statusText = $statusText;
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return $this;
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}
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public function getMessage(): string
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{
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return $this->message;
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}
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/**
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* @return $this
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*/
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public function setMessage(string $message): static
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{
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if (str_contains($message, "@anonymous\0")) {
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$message = preg_replace_callback('/[a-zA-Z_\x7f-\xff][\\\\a-zA-Z0-9_\x7f-\xff]*+@anonymous\x00.*?\.php(?:0x?|:[0-9]++\$)?[0-9a-fA-F]++/', fn ($m) => class_exists($m[0], false) ? (get_parent_class($m[0]) ?: key(class_implements($m[0])) ?: 'class').'@anonymous' : $m[0], $message);
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}
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$this->message = $message;
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return $this;
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}
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/**
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* @return int|string int most of the time (might be a string with PDOException)
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*/
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public function getCode(): int|string
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{
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return $this->code;
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}
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/**
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* @return $this
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*/
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public function setCode(int|string $code): static
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{
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$this->code = $code;
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return $this;
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}
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public function getPrevious(): ?self
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{
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return $this->previous;
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}
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/**
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* @return $this
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*/
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public function setPrevious(?self $previous): static
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{
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$this->previous = $previous;
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return $this;
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}
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/**
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* @return self[]
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*/
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public function getAllPrevious(): array
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{
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$exceptions = [];
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$e = $this;
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while ($e = $e->getPrevious()) {
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$exceptions[] = $e;
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}
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return $exceptions;
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}
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public function getTrace(): array
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{
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return $this->trace;
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}
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/**
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* @return $this
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*/
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public function setTraceFromThrowable(\Throwable $throwable): static
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{
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$this->traceAsString = $throwable->getTraceAsString();
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return $this->setTrace($throwable->getTrace(), $throwable->getFile(), $throwable->getLine());
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}
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/**
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* @return $this
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*/
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public function setTrace(array $trace, ?string $file, ?int $line): static
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{
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$this->trace = [];
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$this->trace[] = [
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'namespace' => '',
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'short_class' => '',
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'class' => '',
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'type' => '',
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'function' => '',
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'file' => $file,
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'line' => $line,
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'args' => [],
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];
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foreach ($trace as $entry) {
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$class = '';
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$namespace = '';
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if (isset($entry['class'])) {
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$parts = explode('\\', $entry['class']);
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$class = array_pop($parts);
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$namespace = implode('\\', $parts);
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}
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$this->trace[] = [
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'namespace' => $namespace,
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'short_class' => $class,
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'class' => $entry['class'] ?? '',
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'type' => $entry['type'] ?? '',
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'function' => $entry['function'] ?? null,
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'file' => $entry['file'] ?? null,
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'line' => $entry['line'] ?? null,
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'args' => isset($entry['args']) ? $this->flattenArgs($entry['args']) : [],
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];
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}
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return $this;
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}
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public function getDataRepresentation(): ?Data
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{
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return $this->dataRepresentation ?? null;
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}
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/**
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* @return $this
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*/
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public function setDataRepresentation(Data $data): static
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{
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$this->dataRepresentation = $data;
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return $this;
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}
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private function flattenArgs(array $args, int $level = 0, int &$count = 0): array
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{
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$result = [];
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foreach ($args as $key => $value) {
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if (++$count > 1e4) {
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return ['array', '*SKIPPED over 10000 entries*'];
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}
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if ($value instanceof \__PHP_Incomplete_Class) {
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$result[$key] = ['incomplete-object', $this->getClassNameFromIncomplete($value)];
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} elseif (\is_object($value)) {
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$result[$key] = ['object', get_debug_type($value)];
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} elseif (\is_array($value)) {
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if ($level > 10) {
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$result[$key] = ['array', '*DEEP NESTED ARRAY*'];
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} else {
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$result[$key] = ['array', $this->flattenArgs($value, $level + 1, $count)];
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}
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} elseif (null === $value) {
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$result[$key] = ['null', null];
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} elseif (\is_bool($value)) {
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$result[$key] = ['boolean', $value];
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} elseif (\is_int($value)) {
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$result[$key] = ['integer', $value];
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} elseif (\is_float($value)) {
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$result[$key] = ['float', $value];
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} elseif (\is_resource($value)) {
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$result[$key] = ['resource', get_resource_type($value)];
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} else {
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$result[$key] = ['string', (string) $value];
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}
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}
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return $result;
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}
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private function getClassNameFromIncomplete(\__PHP_Incomplete_Class $value): string
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{
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$array = new \ArrayObject($value);
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return $array['__PHP_Incomplete_Class_Name'];
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}
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public function getTraceAsString(): string
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{
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return $this->traceAsString;
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}
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/**
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* @return $this
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*/
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public function setAsString(?string $asString): static
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{
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$this->asString = $asString;
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return $this;
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}
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public function getAsString(): string
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{
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if (null !== $this->asString) {
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return $this->asString;
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}
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$message = '';
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$next = false;
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foreach (array_reverse(array_merge([$this], $this->getAllPrevious())) as $exception) {
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if ($next) {
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$message .= 'Next ';
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} else {
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$next = true;
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}
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$message .= $exception->getClass();
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if ('' != $exception->getMessage()) {
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$message .= ': '.$exception->getMessage();
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}
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$message .= ' in '.$exception->getFile().':'.$exception->getLine().
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"\nStack trace:\n".$exception->getTraceAsString()."\n\n";
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}
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return rtrim($message);
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}
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}
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