131 lines
4.2 KiB
PHP
131 lines
4.2 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\VarDumper;
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use Symfony\Component\ErrorHandler\ErrorRenderer\FileLinkFormatter;
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use Symfony\Component\HttpFoundation\Request;
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use Symfony\Component\HttpFoundation\RequestStack;
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use Symfony\Component\VarDumper\Caster\ReflectionCaster;
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use Symfony\Component\VarDumper\Cloner\VarCloner;
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use Symfony\Component\VarDumper\Dumper\CliDumper;
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use Symfony\Component\VarDumper\Dumper\ContextProvider\CliContextProvider;
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use Symfony\Component\VarDumper\Dumper\ContextProvider\RequestContextProvider;
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use Symfony\Component\VarDumper\Dumper\ContextProvider\SourceContextProvider;
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use Symfony\Component\VarDumper\Dumper\ContextualizedDumper;
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use Symfony\Component\VarDumper\Dumper\DataDumperInterface;
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use Symfony\Component\VarDumper\Dumper\HtmlDumper;
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use Symfony\Component\VarDumper\Dumper\ServerDumper;
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// Load the global dump() function
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require_once __DIR__.'/Resources/functions/dump.php';
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/**
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* @author Nicolas Grekas <p@tchwork.com>
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*/
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class VarDumper
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{
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/**
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* @var callable|null
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*/
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private static $handler;
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public static function dump(mixed $var, ?string $label = null): mixed
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{
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if (null === self::$handler) {
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self::register();
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}
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return (self::$handler)($var, $label);
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}
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public static function setHandler(?callable $callable): ?callable
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{
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$prevHandler = self::$handler;
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// Prevent replacing the handler with expected format as soon as the env var was set:
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if (isset($_SERVER['VAR_DUMPER_FORMAT'])) {
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return $prevHandler;
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}
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self::$handler = $callable;
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return $prevHandler;
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}
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private static function register(): void
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{
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$cloner = new VarCloner();
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$cloner->addCasters(ReflectionCaster::UNSET_CLOSURE_FILE_INFO);
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$format = $_SERVER['VAR_DUMPER_FORMAT'] ?? null;
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$dumper = match ($format) {
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'html' => new HtmlDumper(),
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'cli' => new CliDumper(),
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'server' => self::selectDumperForAccept($_SERVER['VAR_DUMPER_SERVER'] ?? '127.0.0.1:9912'),
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default => self::selectDumperForAccept(
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$format && 'tcp' === parse_url($format, \PHP_URL_SCHEME) ? $format : null,
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),
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};
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if (!$dumper instanceof ServerDumper) {
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$dumper = new ContextualizedDumper($dumper, [new SourceContextProvider()]);
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}
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self::$handler = static function ($var, ?string $label = null) use ($cloner, $dumper) {
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$var = $cloner->cloneVar($var);
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if (null !== $label) {
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$var = $var->withContext(['label' => $label]);
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}
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$dumper->dump($var);
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};
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}
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private static function selectDumperForAccept(?string $serverHost): DataDumperInterface
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{
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$isCliSapi = \in_array(\PHP_SAPI, ['cli', 'phpdbg', 'embed'], true);
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$accept = $_SERVER['HTTP_ACCEPT'] ?? ($isCliSapi ? 'txt' : 'html');
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$dumper = match (true) {
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str_contains($accept, 'html'), str_contains($accept, '*/*') => new HtmlDumper(),
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$isCliSapi => new CliDumper(),
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default => new CliDumper('php://output'),
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};
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if (null !== $serverHost) {
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$dumper = new ServerDumper($serverHost, $dumper, self::getDefaultContextProviders());
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}
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return $dumper;
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}
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private static function getDefaultContextProviders(): array
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{
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$contextProviders = [];
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if (!\in_array(\PHP_SAPI, ['cli', 'phpdbg', 'embed'], true) && class_exists(Request::class)) {
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$requestStack = new RequestStack();
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$requestStack->push(Request::createFromGlobals());
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$contextProviders['request'] = new RequestContextProvider($requestStack);
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}
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$fileLinkFormatter = class_exists(FileLinkFormatter::class) ? new FileLinkFormatter(null, $requestStack ?? null) : null;
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return $contextProviders + [
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'cli' => new CliContextProvider(),
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'source' => new SourceContextProvider(null, null, $fileLinkFormatter),
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];
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}
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}
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