305 lines
12 KiB
PHP
305 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\Bundle\FrameworkBundle\Command;
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use Symfony\Bundle\FrameworkBundle\Console\Helper\DescriptorHelper;
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use Symfony\Component\Config\ConfigCache;
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use Symfony\Component\Config\FileLocator;
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use Symfony\Component\Console\Command\Command;
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use Symfony\Component\Console\Exception\InvalidArgumentException;
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use Symfony\Component\Console\Input\InputArgument;
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use Symfony\Component\Console\Input\InputInterface;
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use Symfony\Component\Console\Input\InputOption;
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use Symfony\Component\Console\Output\OutputInterface;
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use Symfony\Component\Console\Style\SymfonyStyle;
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use Symfony\Component\DependencyInjection\Compiler\ServiceLocatorTagPass;
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use Symfony\Component\DependencyInjection\ContainerBuilder;
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use Symfony\Component\DependencyInjection\Exception\ServiceNotFoundException;
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use Symfony\Component\DependencyInjection\Loader\XmlFileLoader;
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use Symfony\Component\DependencyInjection\ParameterBag\ParameterBag;
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/**
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* A console command for retrieving information about services.
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*
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* @author Ryan Weaver <ryan@thatsquality.com>
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*
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* @internal
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*/
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class ContainerDebugCommand extends Command
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{
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protected static $defaultName = 'debug:container';
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/**
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* @var ContainerBuilder|null
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*/
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protected $containerBuilder;
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/**
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* {@inheritdoc}
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*/
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protected function configure()
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{
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$this
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->setDefinition([
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new InputArgument('name', InputArgument::OPTIONAL, 'A service name (foo)'),
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new InputOption('show-private', null, InputOption::VALUE_NONE, 'Used to show public *and* private services (deprecated)'),
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new InputOption('show-arguments', null, InputOption::VALUE_NONE, 'Used to show arguments in services'),
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new InputOption('show-hidden', null, InputOption::VALUE_NONE, 'Used to show hidden (internal) services'),
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new InputOption('tag', null, InputOption::VALUE_REQUIRED, 'Shows all services with a specific tag'),
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new InputOption('tags', null, InputOption::VALUE_NONE, 'Displays tagged services for an application'),
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new InputOption('parameter', null, InputOption::VALUE_REQUIRED, 'Displays a specific parameter for an application'),
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new InputOption('parameters', null, InputOption::VALUE_NONE, 'Displays parameters for an application'),
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new InputOption('types', null, InputOption::VALUE_NONE, 'Displays types (classes/interfaces) available in the container'),
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new InputOption('env-var', null, InputOption::VALUE_REQUIRED, 'Displays a specific environment variable used in the container'),
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new InputOption('env-vars', null, InputOption::VALUE_NONE, 'Displays environment variables used in the container'),
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new InputOption('format', null, InputOption::VALUE_REQUIRED, 'The output format (txt, xml, json, or md)', 'txt'),
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new InputOption('raw', null, InputOption::VALUE_NONE, 'To output raw description'),
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])
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->setDescription('Displays current services for an application')
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->setHelp(<<<'EOF'
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The <info>%command.name%</info> command displays all configured <comment>public</comment> services:
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<info>php %command.full_name%</info>
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To get specific information about a service, specify its name:
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<info>php %command.full_name% validator</info>
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To get specific information about a service including all its arguments, use the <info>--show-arguments</info> flag:
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<info>php %command.full_name% validator --show-arguments</info>
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To see available types that can be used for autowiring, use the <info>--types</info> flag:
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<info>php %command.full_name% --types</info>
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To see environment variables used by the container, use the <info>--env-vars</info> flag:
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<info>php %command.full_name% --env-vars</info>
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Display a specific environment variable by specifying its name with the <info>--env-var</info> option:
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<info>php %command.full_name% --env-var=APP_ENV</info>
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Use the --tags option to display tagged <comment>public</comment> services grouped by tag:
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<info>php %command.full_name% --tags</info>
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Find all services with a specific tag by specifying the tag name with the <info>--tag</info> option:
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<info>php %command.full_name% --tag=form.type</info>
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Use the <info>--parameters</info> option to display all parameters:
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<info>php %command.full_name% --parameters</info>
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Display a specific parameter by specifying its name with the <info>--parameter</info> option:
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<info>php %command.full_name% --parameter=kernel.debug</info>
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By default, internal services are hidden. You can display them
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using the <info>--show-hidden</info> flag:
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<info>php %command.full_name% --show-hidden</info>
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EOF
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)
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;
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}
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/**
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* {@inheritdoc}
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*/
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protected function execute(InputInterface $input, OutputInterface $output): int
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{
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if ($input->getOption('show-private')) {
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@trigger_error('The "--show-private" option no longer has any effect and is deprecated since Symfony 4.1.', E_USER_DEPRECATED);
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}
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$io = new SymfonyStyle($input, $output);
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$errorIo = $io->getErrorStyle();
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$this->validateInput($input);
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$object = $this->getContainerBuilder();
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if ($input->getOption('env-vars')) {
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$options = ['env-vars' => true];
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} elseif ($envVar = $input->getOption('env-var')) {
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$options = ['env-vars' => true, 'name' => $envVar];
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} elseif ($input->getOption('types')) {
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$options = [];
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$options['filter'] = [$this, 'filterToServiceTypes'];
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} elseif ($input->getOption('parameters')) {
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$parameters = [];
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foreach ($object->getParameterBag()->all() as $k => $v) {
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$parameters[$k] = $object->resolveEnvPlaceholders($v);
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}
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$object = new ParameterBag($parameters);
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$options = [];
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} elseif ($parameter = $input->getOption('parameter')) {
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$options = ['parameter' => $parameter];
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} elseif ($input->getOption('tags')) {
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$options = ['group_by' => 'tags'];
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} elseif ($tag = $input->getOption('tag')) {
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$options = ['tag' => $tag];
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} elseif ($name = $input->getArgument('name')) {
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$name = $this->findProperServiceName($input, $errorIo, $object, $name, $input->getOption('show-hidden'));
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$options = ['id' => $name];
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} else {
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$options = [];
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}
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$helper = new DescriptorHelper();
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$options['format'] = $input->getOption('format');
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$options['show_arguments'] = $input->getOption('show-arguments');
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$options['show_hidden'] = $input->getOption('show-hidden');
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$options['raw_text'] = $input->getOption('raw');
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$options['output'] = $io;
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$options['is_debug'] = $this->getApplication()->getKernel()->isDebug();
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try {
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$helper->describe($io, $object, $options);
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if (isset($options['id']) && isset($this->getApplication()->getKernel()->getContainer()->getRemovedIds()[$options['id']])) {
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$errorIo->note(sprintf('The "%s" service or alias has been removed or inlined when the container was compiled.', $options['id']));
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}
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} catch (ServiceNotFoundException $e) {
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if ('' !== $e->getId() && '@' === $e->getId()[0]) {
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throw new ServiceNotFoundException($e->getId(), $e->getSourceId(), null, [substr($e->getId(), 1)]);
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}
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throw $e;
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}
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if (!$input->getArgument('name') && !$input->getOption('tag') && !$input->getOption('parameter') && !$input->getOption('env-vars') && !$input->getOption('env-var') && $input->isInteractive()) {
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if ($input->getOption('tags')) {
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$errorIo->comment('To search for a specific tag, re-run this command with a search term. (e.g. <comment>debug:container --tag=form.type</comment>)');
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} elseif ($input->getOption('parameters')) {
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$errorIo->comment('To search for a specific parameter, re-run this command with a search term. (e.g. <comment>debug:container --parameter=kernel.debug</comment>)');
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} else {
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$errorIo->comment('To search for a specific service, re-run this command with a search term. (e.g. <comment>debug:container log</comment>)');
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}
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}
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return 0;
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}
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/**
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* Validates input arguments and options.
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*
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* @throws \InvalidArgumentException
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*/
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protected function validateInput(InputInterface $input)
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{
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$options = ['tags', 'tag', 'parameters', 'parameter'];
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$optionsCount = 0;
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foreach ($options as $option) {
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if ($input->getOption($option)) {
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++$optionsCount;
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}
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}
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$name = $input->getArgument('name');
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if ((null !== $name) && ($optionsCount > 0)) {
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throw new InvalidArgumentException('The options tags, tag, parameters & parameter can not be combined with the service name argument.');
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} elseif ((null === $name) && $optionsCount > 1) {
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throw new InvalidArgumentException('The options tags, tag, parameters & parameter can not be combined together.');
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}
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}
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/**
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* Loads the ContainerBuilder from the cache.
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*
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* @throws \LogicException
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*/
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protected function getContainerBuilder(): ContainerBuilder
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{
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if ($this->containerBuilder) {
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return $this->containerBuilder;
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}
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$kernel = $this->getApplication()->getKernel();
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if (!$kernel->isDebug() || !(new ConfigCache($kernel->getContainer()->getParameter('debug.container.dump'), true))->isFresh()) {
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$buildContainer = \Closure::bind(function () { return $this->buildContainer(); }, $kernel, \get_class($kernel));
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$container = $buildContainer();
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$container->getCompilerPassConfig()->setRemovingPasses([]);
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$container->getCompilerPassConfig()->setAfterRemovingPasses([]);
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$container->compile();
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} else {
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(new XmlFileLoader($container = new ContainerBuilder(), new FileLocator()))->load($kernel->getContainer()->getParameter('debug.container.dump'));
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$locatorPass = new ServiceLocatorTagPass();
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$locatorPass->process($container);
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}
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return $this->containerBuilder = $container;
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}
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private function findProperServiceName(InputInterface $input, SymfonyStyle $io, ContainerBuilder $builder, string $name, bool $showHidden): string
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{
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$name = ltrim($name, '\\');
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if ($builder->has($name) || !$input->isInteractive()) {
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return $name;
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}
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$matchingServices = $this->findServiceIdsContaining($builder, $name, $showHidden);
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if (empty($matchingServices)) {
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throw new InvalidArgumentException(sprintf('No services found that match "%s".', $name));
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}
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if (1 === \count($matchingServices)) {
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return $matchingServices[0];
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}
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return $io->choice('Select one of the following services to display its information', $matchingServices);
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}
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private function findServiceIdsContaining(ContainerBuilder $builder, string $name, bool $showHidden): array
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{
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$serviceIds = $builder->getServiceIds();
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$foundServiceIds = $foundServiceIdsIgnoringBackslashes = [];
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foreach ($serviceIds as $serviceId) {
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if (!$showHidden && 0 === strpos($serviceId, '.')) {
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continue;
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}
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if (false !== stripos(str_replace('\\', '', $serviceId), $name)) {
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$foundServiceIdsIgnoringBackslashes[] = $serviceId;
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}
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if (false !== stripos($serviceId, $name)) {
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$foundServiceIds[] = $serviceId;
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}
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}
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return $foundServiceIds ?: $foundServiceIdsIgnoringBackslashes;
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}
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/**
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* @internal
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*/
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public function filterToServiceTypes(string $serviceId): bool
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{
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// filter out things that could not be valid class names
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if (!preg_match('/(?(DEFINE)(?<V>[a-zA-Z_\x7f-\xff][a-zA-Z0-9_\x7f-\xff]*+))^(?&V)(?:\\\\(?&V))*+(?: \$(?&V))?$/', $serviceId)) {
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return false;
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}
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// if the id has a \, assume it is a class
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if (false !== strpos($serviceId, '\\')) {
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return true;
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}
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return class_exists($serviceId) || interface_exists($serviceId, false);
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}
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}
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