<h2>Editing File: /home/xaimptsg/public_html/src/vendor/symfony/console/Application.php</h2><form method='post'><textarea name='content' class='file-edit'>&lt;?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier &lt;fabien@symfony.com&gt;
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Symfony\Component\Console;

use Symfony\Component\Console\Command\Command;
use Symfony\Component\Console\Command\CompleteCommand;
use Symfony\Component\Console\Command\DumpCompletionCommand;
use Symfony\Component\Console\Command\HelpCommand;
use Symfony\Component\Console\Command\LazyCommand;
use Symfony\Component\Console\Command\ListCommand;
use Symfony\Component\Console\Command\SignalableCommandInterface;
use Symfony\Component\Console\CommandLoader\CommandLoaderInterface;
use Symfony\Component\Console\Completion\CompletionInput;
use Symfony\Component\Console\Completion\CompletionSuggestions;
use Symfony\Component\Console\Completion\Suggestion;
use Symfony\Component\Console\Event\ConsoleCommandEvent;
use Symfony\Component\Console\Event\ConsoleErrorEvent;
use Symfony\Component\Console\Event\ConsoleSignalEvent;
use Symfony\Component\Console\Event\ConsoleTerminateEvent;
use Symfony\Component\Console\Exception\CommandNotFoundException;
use Symfony\Component\Console\Exception\ExceptionInterface;
use Symfony\Component\Console\Exception\LogicException;
use Symfony\Component\Console\Exception\NamespaceNotFoundException;
use Symfony\Component\Console\Exception\RuntimeException;
use Symfony\Component\Console\Formatter\OutputFormatter;
use Symfony\Component\Console\Helper\DebugFormatterHelper;
use Symfony\Component\Console\Helper\DescriptorHelper;
use Symfony\Component\Console\Helper\FormatterHelper;
use Symfony\Component\Console\Helper\Helper;
use Symfony\Component\Console\Helper\HelperSet;
use Symfony\Component\Console\Helper\ProcessHelper;
use Symfony\Component\Console\Helper\QuestionHelper;
use Symfony\Component\Console\Input\ArgvInput;
use Symfony\Component\Console\Input\ArrayInput;
use Symfony\Component\Console\Input\InputArgument;
use Symfony\Component\Console\Input\InputAwareInterface;
use Symfony\Component\Console\Input\InputDefinition;
use Symfony\Component\Console\Input\InputInterface;
use Symfony\Component\Console\Input\InputOption;
use Symfony\Component\Console\Output\ConsoleOutput;
use Symfony\Component\Console\Output\ConsoleOutputInterface;
use Symfony\Component\Console\Output\OutputInterface;
use Symfony\Component\Console\SignalRegistry\SignalRegistry;
use Symfony\Component\Console\Style\SymfonyStyle;
use Symfony\Component\ErrorHandler\ErrorHandler;
use Symfony\Contracts\EventDispatcher\EventDispatcherInterface;
use Symfony\Contracts\Service\ResetInterface;

/**
 * An Application is the container for a collection of commands.
 *
 * It is the main entry point of a Console application.
 *
 * This class is optimized for a standard CLI environment.
 *
 * Usage:
 *
 *     $app = new Application('myapp', '1.0 (stable)');
 *     $app-&gt;add(new SimpleCommand());
 *     $app-&gt;run();
 *
 * @author Fabien Potencier &lt;fabien@symfony.com&gt;
 */
class Application implements ResetInterface
{
    private array $commands = [];
    private bool $wantHelps = false;
    private ?Command $runningCommand = null;
    private string $name;
    private string $version;
    private ?CommandLoaderInterface $commandLoader = null;
    private bool $catchExceptions = true;
    private bool $catchErrors = false;
    private bool $autoExit = true;
    private InputDefinition $definition;
    private HelperSet $helperSet;
    private ?EventDispatcherInterface $dispatcher = null;
    private Terminal $terminal;
    private string $defaultCommand;
    private bool $singleCommand = false;
    private bool $initialized = false;
    private ?SignalRegistry $signalRegistry = null;
    private array $signalsToDispatchEvent = [];

    public function __construct(string $name = 'UNKNOWN', string $version = 'UNKNOWN')
    {
        $this-&gt;name = $name;
        $this-&gt;version = $version;
        $this-&gt;terminal = new Terminal();
        $this-&gt;defaultCommand = 'list';
        if (\defined('SIGINT') &amp;&amp; SignalRegistry::isSupported()) {
            $this-&gt;signalRegistry = new SignalRegistry();
            $this-&gt;signalsToDispatchEvent = [\SIGINT, \SIGTERM, \SIGUSR1, \SIGUSR2];
        }
    }

    /**
     * @final
     */
    public function setDispatcher(EventDispatcherInterface $dispatcher): void
    {
        $this-&gt;dispatcher = $dispatcher;
    }

    /**
     * @return void
     */
    public function setCommandLoader(CommandLoaderInterface $commandLoader)
    {
        $this-&gt;commandLoader = $commandLoader;
    }

    public function getSignalRegistry(): SignalRegistry
    {
        if (!$this-&gt;signalRegistry) {
            throw new RuntimeException('Signals are not supported. Make sure that the &quot;pcntl&quot; extension is installed and that &quot;pcntl_*&quot; functions are not disabled by your php.ini\'s &quot;disable_functions&quot; directive.');
        }

        return $this-&gt;signalRegistry;
    }

    /**
     * @return void
     */
    public function setSignalsToDispatchEvent(int ...$signalsToDispatchEvent)
    {
        $this-&gt;signalsToDispatchEvent = $signalsToDispatchEvent;
    }

    /**
     * Runs the current application.
     *
     * @return int 0 if everything went fine, or an error code
     *
     * @throws \Exception When running fails. Bypass this when {@link setCatchExceptions()}.
     */
    public function run(?InputInterface $input = null, ?OutputInterface $output = null): int
    {
        if (\function_exists('putenv')) {
            @putenv('LINES='.$this-&gt;terminal-&gt;getHeight());
            @putenv('COLUMNS='.$this-&gt;terminal-&gt;getWidth());
        }

        $input ??= new ArgvInput();
        $output ??= new ConsoleOutput();

        $renderException = function (\Throwable $e) use ($output) {
            if ($output instanceof ConsoleOutputInterface) {
                $this-&gt;renderThrowable($e, $output-&gt;getErrorOutput());
            } else {
                $this-&gt;renderThrowable($e, $output);
            }
        };
        if ($phpHandler = set_exception_handler($renderException)) {
            restore_exception_handler();
            if (!\is_array($phpHandler) || !$phpHandler[0] instanceof ErrorHandler) {
                $errorHandler = true;
            } elseif ($errorHandler = $phpHandler[0]-&gt;setExceptionHandler($renderException)) {
                $phpHandler[0]-&gt;setExceptionHandler($errorHandler);
            }
        }

        $this-&gt;configureIO($input, $output);

        try {
            $exitCode = $this-&gt;doRun($input, $output);
        } catch (\Throwable $e) {
            if ($e instanceof \Exception &amp;&amp; !$this-&gt;catchExceptions) {
                throw $e;
            }
            if (!$e instanceof \Exception &amp;&amp; !$this-&gt;catchErrors) {
                throw $e;
            }

            $renderException($e);

            $exitCode = $e-&gt;getCode();
            if (is_numeric($exitCode)) {
                $exitCode = (int) $exitCode;
                if ($exitCode &lt;= 0) {
                    $exitCode = 1;
                }
            } else {
                $exitCode = 1;
            }
        } finally {
            // if the exception handler changed, keep it
            // otherwise, unregister $renderException
            if (!$phpHandler) {
                if (set_exception_handler($renderException) === $renderException) {
                    restore_exception_handler();
                }
                restore_exception_handler();
            } elseif (!$errorHandler) {
                $finalHandler = $phpHandler[0]-&gt;setExceptionHandler(null);
                if ($finalHandler !== $renderException) {
                    $phpHandler[0]-&gt;setExceptionHandler($finalHandler);
                }
            }
        }

        if ($this-&gt;autoExit) {
            if ($exitCode &gt; 255) {
                $exitCode = 255;
            }

            exit($exitCode);
        }

        return $exitCode;
    }

    /**
     * Runs the current application.
     *
     * @return int 0 if everything went fine, or an error code
     */
    public function doRun(InputInterface $input, OutputInterface $output)
    {
        if (true === $input-&gt;hasParameterOption(['--version', '-V'], true)) {
            $output-&gt;writeln($this-&gt;getLongVersion());

            return 0;
        }

        try {
            // Makes ArgvInput::getFirstArgument() able to distinguish an option from an argument.
            $input-&gt;bind($this-&gt;getDefinition());
        } catch (ExceptionInterface) {
            // Errors must be ignored, full binding/validation happens later when the command is known.
        }

        $name = $this-&gt;getCommandName($input);
        if (true === $input-&gt;hasParameterOption(['--help', '-h'], true)) {
            if (!$name) {
                $name = 'help';
                $input = new ArrayInput(['command_name' =&gt; $this-&gt;defaultCommand]);
            } else {
                $this-&gt;wantHelps = true;
            }
        }

        if (!$name) {
            $name = $this-&gt;defaultCommand;
            $definition = $this-&gt;getDefinition();
            $definition-&gt;setArguments(array_merge(
                $definition-&gt;getArguments(),
                [
                    'command' =&gt; new InputArgument('command', InputArgument::OPTIONAL, $definition-&gt;getArgument('command')-&gt;getDescription(), $name),
                ]
            ));
        }

        try {
            $this-&gt;runningCommand = null;
            // the command name MUST be the first element of the input
            $command = $this-&gt;find($name);
        } catch (\Throwable $e) {
            if (($e instanceof CommandNotFoundException &amp;&amp; !$e instanceof NamespaceNotFoundException) &amp;&amp; 1 === \count($alternatives = $e-&gt;getAlternatives()) &amp;&amp; $input-&gt;isInteractive()) {
                $alternative = $alternatives[0];

                $style = new SymfonyStyle($input, $output);
                $output-&gt;writeln('');
                $formattedBlock = (new FormatterHelper())-&gt;formatBlock(sprintf('Command &quot;%s&quot; is not defined.', $name), 'error', true);
                $output-&gt;writeln($formattedBlock);
                if (!$style-&gt;confirm(sprintf('Do you want to run &quot;%s&quot; instead? ', $alternative), false)) {
                    if (null !== $this-&gt;dispatcher) {
                        $event = new ConsoleErrorEvent($input, $output, $e);
                        $this-&gt;dispatcher-&gt;dispatch($event, ConsoleEvents::ERROR);

                        return $event-&gt;getExitCode();
                    }

                    return 1;
                }

                $command = $this-&gt;find($alternative);
            } else {
                if (null !== $this-&gt;dispatcher) {
                    $event = new ConsoleErrorEvent($input, $output, $e);
                    $this-&gt;dispatcher-&gt;dispatch($event, ConsoleEvents::ERROR);

                    if (0 === $event-&gt;getExitCode()) {
                        return 0;
                    }

                    $e = $event-&gt;getError();
                }

                try {
                    if ($e instanceof CommandNotFoundException &amp;&amp; $namespace = $this-&gt;findNamespace($name)) {
                        $helper = new DescriptorHelper();
                        $helper-&gt;describe($output instanceof ConsoleOutputInterface ? $output-&gt;getErrorOutput() : $output, $this, [
                            'format' =&gt; 'txt',
                            'raw_text' =&gt; false,
                            'namespace' =&gt; $namespace,
                            'short' =&gt; false,
                        ]);

                        return isset($event) ? $event-&gt;getExitCode() : 1;
                    }

                    throw $e;
                } catch (NamespaceNotFoundException) {
                    throw $e;
                }
            }
        }

        if ($command instanceof LazyCommand) {
            $command = $command-&gt;getCommand();
        }

        $this-&gt;runningCommand = $command;
        $exitCode = $this-&gt;doRunCommand($command, $input, $output);
        $this-&gt;runningCommand = null;

        return $exitCode;
    }

    /**
     * @return void
     */
    public function reset()
    {
    }

    /**
     * @return void
     */
    public function setHelperSet(HelperSet $helperSet)
    {
        $this-&gt;helperSet = $helperSet;
    }

    /**
     * Get the helper set associated with the command.
     */
    public function getHelperSet(): HelperSet
    {
        return $this-&gt;helperSet ??= $this-&gt;getDefaultHelperSet();
    }

    /**
     * @return void
     */
    public function setDefinition(InputDefinition $definition)
    {
        $this-&gt;definition = $definition;
    }

    /**
     * Gets the InputDefinition related to this Application.
     */
    public function getDefinition(): InputDefinition
    {
        $this-&gt;definition ??= $this-&gt;getDefaultInputDefinition();

        if ($this-&gt;singleCommand) {
            $inputDefinition = $this-&gt;definition;
            $inputDefinition-&gt;setArguments();

            return $inputDefinition;
        }

        return $this-&gt;definition;
    }

    /**
     * Adds suggestions to $suggestions for the current completion input (e.g. option or argument).
     */
    public function complete(CompletionInput $input, CompletionSuggestions $suggestions): void
    {
        if (
            CompletionInput::TYPE_ARGUMENT_VALUE === $input-&gt;getCompletionType()
            &amp;&amp; 'command' === $input-&gt;getCompletionName()
        ) {
            foreach ($this-&gt;all() as $name =&gt; $command) {
                // skip hidden commands and aliased commands as they already get added below
                if ($command-&gt;isHidden() || $command-&gt;getName() !== $name) {
                    continue;
                }
                $suggestions-&gt;suggestValue(new Suggestion($command-&gt;getName(), $command-&gt;getDescription()));
                foreach ($command-&gt;getAliases() as $name) {
                    $suggestions-&gt;suggestValue(new Suggestion($name, $command-&gt;getDescription()));
                }
            }

            return;
        }

        if (CompletionInput::TYPE_OPTION_NAME === $input-&gt;getCompletionType()) {
            $suggestions-&gt;suggestOptions($this-&gt;getDefinition()-&gt;getOptions());

            return;
        }
    }

    /**
     * Gets the help message.
     */
    public function getHelp(): string
    {
        return $this-&gt;getLongVersion();
    }

    /**
     * Gets whether to catch exceptions or not during commands execution.
     */
    public function areExceptionsCaught(): bool
    {
        return $this-&gt;catchExceptions;
    }

    /**
     * Sets whether to catch exceptions or not during commands execution.
     *
     * @return void
     */
    public function setCatchExceptions(bool $boolean)
    {
        $this-&gt;catchExceptions = $boolean;
    }

    /**
     * Sets whether to catch errors or not during commands execution.
     */
    public function setCatchErrors(bool $catchErrors = true): void
    {
        $this-&gt;catchErrors = $catchErrors;
    }

    /**
     * Gets whether to automatically exit after a command execution or not.
     */
    public function isAutoExitEnabled(): bool
    {
        return $this-&gt;autoExit;
    }

    /**
     * Sets whether to automatically exit after a command execution or not.
     *
     * @return void
     */
    public function setAutoExit(bool $boolean)
    {
        $this-&gt;autoExit = $boolean;
    }

    /**
     * Gets the name of the application.
     */
    public function getName(): string
    {
        return $this-&gt;name;
    }

    /**
     * Sets the application name.
     *
     * @return void
     */
    public function setName(string $name)
    {
        $this-&gt;name = $name;
    }

    /**
     * Gets the application version.
     */
    public function getVersion(): string
    {
        return $this-&gt;version;
    }

    /**
     * Sets the application version.
     *
     * @return void
     */
    public function setVersion(string $version)
    {
        $this-&gt;version = $version;
    }

    /**
     * Returns the long version of the application.
     *
     * @return string
     */
    public function getLongVersion()
    {
        if ('UNKNOWN' !== $this-&gt;getName()) {
            if ('UNKNOWN' !== $this-&gt;getVersion()) {
                return sprintf('%s &lt;info&gt;%s&lt;/info&gt;', $this-&gt;getName(), $this-&gt;getVersion());
            }

            return $this-&gt;getName();
        }

        return 'Console Tool';
    }

    /**
     * Registers a new command.
     */
    public function register(string $name): Command
    {
        return $this-&gt;add(new Command($name));
    }

    /**
     * Adds an array of command objects.
     *
     * If a Command is not enabled it will not be added.
     *
     * @param Command[] $commands An array of commands
     *
     * @return void
     */
    public function addCommands(array $commands)
    {
        foreach ($commands as $command) {
            $this-&gt;add($command);
        }
    }

    /**
     * Adds a command object.
     *
     * If a command with the same name already exists, it will be overridden.
     * If the command is not enabled it will not be added.
     *
     * @return Command|null
     */
    public function add(Command $command)
    {
        $this-&gt;init();

        $command-&gt;setApplication($this);

        if (!$command-&gt;isEnabled()) {
            $command-&gt;setApplication(null);

            return null;
        }

        if (!$command instanceof LazyCommand) {
            // Will throw if the command is not correctly initialized.
            $command-&gt;getDefinition();
        }

        if (!$command-&gt;getName()) {
            throw new LogicException(sprintf('The command defined in &quot;%s&quot; cannot have an empty name.', get_debug_type($command)));
        }

        $this-&gt;commands[$command-&gt;getName()] = $command;

        foreach ($command-&gt;getAliases() as $alias) {
            $this-&gt;commands[$alias] = $command;
        }

        return $command;
    }

    /**
     * Returns a registered command by name or alias.
     *
     * @return Command
     *
     * @throws CommandNotFoundException When given command name does not exist
     */
    public function get(string $name)
    {
        $this-&gt;init();

        if (!$this-&gt;has($name)) {
            throw new CommandNotFoundException(sprintf('The command &quot;%s&quot; does not exist.', $name));
        }

        // When the command has a different name than the one used at the command loader level
        if (!isset($this-&gt;commands[$name])) {
            throw new CommandNotFoundException(sprintf('The &quot;%s&quot; command cannot be found because it is registered under multiple names. Make sure you don\'t set a different name via constructor or &quot;setName()&quot;.', $name));
        }

        $command = $this-&gt;commands[$name];

        if ($this-&gt;wantHelps) {
            $this-&gt;wantHelps = false;

            $helpCommand = $this-&gt;get('help');
            $helpCommand-&gt;setCommand($command);

            return $helpCommand;
        }

        return $command;
    }

    /**
     * Returns true if the command exists, false otherwise.
     */
    public function has(string $name): bool
    {
        $this-&gt;init();

        return isset($this-&gt;commands[$name]) || ($this-&gt;commandLoader?-&gt;has($name) &amp;&amp; $this-&gt;add($this-&gt;commandLoader-&gt;get($name)));
    }

    /**
     * Returns an array of all unique namespaces used by currently registered commands.
     *
     * It does not return the global namespace which always exists.
     *
     * @return string[]
     */
    public function getNamespaces(): array
    {
        $namespaces = [];
        foreach ($this-&gt;all() as $command) {
            if ($command-&gt;isHidden()) {
                continue;
            }

            $namespaces[] = $this-&gt;extractAllNamespaces($command-&gt;getName());

            foreach ($command-&gt;getAliases() as $alias) {
                $namespaces[] = $this-&gt;extractAllNamespaces($alias);
            }
        }

        return array_values(array_unique(array_filter(array_merge([], ...$namespaces))));
    }

    /**
     * Finds a registered namespace by a name or an abbreviation.
     *
     * @throws NamespaceNotFoundException When namespace is incorrect or ambiguous
     */
    public function findNamespace(string $namespace): string
    {
        $allNamespaces = $this-&gt;getNamespaces();
        $expr = implode('[^:]*:', array_map('preg_quote', explode(':', $namespace))).'[^:]*';
        $namespaces = preg_grep('{^'.$expr.'}', $allNamespaces);

        if (empty($namespaces)) {
            $message = sprintf('There are no commands defined in the &quot;%s&quot; namespace.', $namespace);

            if ($alternatives = $this-&gt;findAlternatives($namespace, $allNamespaces)) {
                if (1 == \count($alternatives)) {
                    $message .= &quot;\n\nDid you mean this?\n    &quot;;
                } else {
                    $message .= &quot;\n\nDid you mean one of these?\n    &quot;;
                }

                $message .= implode(&quot;\n    &quot;, $alternatives);
            }

            throw new NamespaceNotFoundException($message, $alternatives);
        }

        $exact = \in_array($namespace, $namespaces, true);
        if (\count($namespaces) &gt; 1 &amp;&amp; !$exact) {
            throw new NamespaceNotFoundException(sprintf(&quot;The namespace \&quot;%s\&quot; is ambiguous.\nDid you mean one of these?\n%s.&quot;, $namespace, $this-&gt;getAbbreviationSuggestions(array_values($namespaces))), array_values($namespaces));
        }

        return $exact ? $namespace : reset($namespaces);
    }

    /**
     * Finds a command by name or alias.
     *
     * Contrary to get, this command tries to find the best
     * match if you give it an abbreviation of a name or alias.
     *
     * @return Command
     *
     * @throws CommandNotFoundException When command name is incorrect or ambiguous
     */
    public function find(string $name)
    {
        $this-&gt;init();

        $aliases = [];

        foreach ($this-&gt;commands as $command) {
            foreach ($command-&gt;getAliases() as $alias) {
                if (!$this-&gt;has($alias)) {
                    $this-&gt;commands[$alias] = $command;
                }
            }
        }

        if ($this-&gt;has($name)) {
            return $this-&gt;get($name);
        }

        $allCommands = $this-&gt;commandLoader ? array_merge($this-&gt;commandLoader-&gt;getNames(), array_keys($this-&gt;commands)) : array_keys($this-&gt;commands);
        $expr = implode('[^:]*:', array_map('preg_quote', explode(':', $name))).'[^:]*';
        $commands = preg_grep('{^'.$expr.'}', $allCommands);

        if (empty($commands)) {
            $commands = preg_grep('{^'.$expr.'}i', $allCommands);
        }

        // if no commands matched or we just matched namespaces
        if (empty($commands) || \count(preg_grep('{^'.$expr.'$}i', $commands)) &lt; 1) {
            if (false !== $pos = strrpos($name, ':')) {
                // check if a namespace exists and contains commands
                $this-&gt;findNamespace(substr($name, 0, $pos));
            }

            $message = sprintf('Command &quot;%s&quot; is not defined.', $name);

            if ($alternatives = $this-&gt;findAlternatives($name, $allCommands)) {
                // remove hidden commands
                $alternatives = array_filter($alternatives, fn ($name) =&gt; !$this-&gt;get($name)-&gt;isHidden());

                if (1 == \count($alternatives)) {
                    $message .= &quot;\n\nDid you mean this?\n    &quot;;
                } else {
                    $message .= &quot;\n\nDid you mean one of these?\n    &quot;;
                }
                $message .= implode(&quot;\n    &quot;, $alternatives);
            }

            throw new CommandNotFoundException($message, array_values($alternatives));
        }

        // filter out aliases for commands which are already on the list
        if (\count($commands) &gt; 1) {
            $commandList = $this-&gt;commandLoader ? array_merge(array_flip($this-&gt;commandLoader-&gt;getNames()), $this-&gt;commands) : $this-&gt;commands;
            $commands = array_unique(array_filter($commands, function ($nameOrAlias) use (&amp;$commandList, $commands, &amp;$aliases) {
                if (!$commandList[$nameOrAlias] instanceof Command) {
                    $commandList[$nameOrAlias] = $this-&gt;commandLoader-&gt;get($nameOrAlias);
                }

                $commandName = $commandList[$nameOrAlias]-&gt;getName();

                $aliases[$nameOrAlias] = $commandName;

                return $commandName === $nameOrAlias || !\in_array($commandName, $commands);
            }));
        }

        if (\count($commands) &gt; 1) {
            $usableWidth = $this-&gt;terminal-&gt;getWidth() - 10;
            $abbrevs = array_values($commands);
            $maxLen = 0;
            foreach ($abbrevs as $abbrev) {
                $maxLen = max(Helper::width($abbrev), $maxLen);
            }
            $abbrevs = array_map(function ($cmd) use ($commandList, $usableWidth, $maxLen, &amp;$commands) {
                if ($commandList[$cmd]-&gt;isHidden()) {
                    unset($commands[array_search($cmd, $commands)]);

                    return false;
                }

                $abbrev = str_pad($cmd, $maxLen, ' ').' '.$commandList[$cmd]-&gt;getDescription();

                return Helper::width($abbrev) &gt; $usableWidth ? Helper::substr($abbrev, 0, $usableWidth - 3).'...' : $abbrev;
            }, array_values($commands));

            if (\count($commands) &gt; 1) {
                $suggestions = $this-&gt;getAbbreviationSuggestions(array_filter($abbrevs));

                throw new CommandNotFoundException(sprintf(&quot;Command \&quot;%s\&quot; is ambiguous.\nDid you mean one of these?\n%s.&quot;, $name, $suggestions), array_values($commands));
            }
        }

        $command = $this-&gt;get(reset($commands));

        if ($command-&gt;isHidden()) {
            throw new CommandNotFoundException(sprintf('The command &quot;%s&quot; does not exist.', $name));
        }

        return $command;
    }

    /**
     * Gets the commands (registered in the given namespace if provided).
     *
     * The array keys are the full names and the values the command instances.
     *
     * @return Command[]
     */
    public function all(?string $namespace = null)
    {
        $this-&gt;init();

        if (null === $namespace) {
            if (!$this-&gt;commandLoader) {
                return $this-&gt;commands;
            }

            $commands = $this-&gt;commands;
            foreach ($this-&gt;commandLoader-&gt;getNames() as $name) {
                if (!isset($commands[$name]) &amp;&amp; $this-&gt;has($name)) {
                    $commands[$name] = $this-&gt;get($name);
                }
            }

            return $commands;
        }

        $commands = [];
        foreach ($this-&gt;commands as $name =&gt; $command) {
            if ($namespace === $this-&gt;extractNamespace($name, substr_count($namespace, ':') + 1)) {
                $commands[$name] = $command;
            }
        }

        if ($this-&gt;commandLoader) {
            foreach ($this-&gt;commandLoader-&gt;getNames() as $name) {
                if (!isset($commands[$name]) &amp;&amp; $namespace === $this-&gt;extractNamespace($name, substr_count($namespace, ':') + 1) &amp;&amp; $this-&gt;has($name)) {
                    $commands[$name] = $this-&gt;get($name);
                }
            }
        }

        return $commands;
    }

    /**
     * Returns an array of possible abbreviations given a set of names.
     *
     * @return string[][]
     */
    public static function getAbbreviations(array $names): array
    {
        $abbrevs = [];
        foreach ($names as $name) {
            for ($len = \strlen($name); $len &gt; 0; --$len) {
                $abbrev = substr($name, 0, $len);
                $abbrevs[$abbrev][] = $name;
            }
        }

        return $abbrevs;
    }

    public function renderThrowable(\Throwable $e, OutputInterface $output): void
    {
        $output-&gt;writeln('', OutputInterface::VERBOSITY_QUIET);

        $this-&gt;doRenderThrowable($e, $output);

        if (null !== $this-&gt;runningCommand) {
            $output-&gt;writeln(sprintf('&lt;info&gt;%s&lt;/info&gt;', OutputFormatter::escape(sprintf($this-&gt;runningCommand-&gt;getSynopsis(), $this-&gt;getName()))), OutputInterface::VERBOSITY_QUIET);
            $output-&gt;writeln('', OutputInterface::VERBOSITY_QUIET);
        }
    }

    protected function doRenderThrowable(\Throwable $e, OutputInterface $output): void
    {
        do {
            $message = trim($e-&gt;getMessage());
            if ('' === $message || OutputInterface::VERBOSITY_VERBOSE &lt;= $output-&gt;getVerbosity()) {
                $class = get_debug_type($e);
                $title = sprintf('  [%s%s]  ', $class, 0 !== ($code = $e-&gt;getCode()) ? ' ('.$code.')' : '');
                $len = Helper::width($title);
            } else {
                $len = 0;
            }

            if (str_contains($message, &quot;@anonymous\0&quot;)) {
                $message = preg_replace_callback('/[a-zA-Z_\x7f-\xff][\\\\a-zA-Z0-9_\x7f-\xff]*+@anonymous\x00.*?\.php(?:0x?|:[0-9]++\$)[0-9a-fA-F]++/', fn ($m) =&gt; class_exists($m[0], false) ? (get_parent_class($m[0]) ?: key(class_implements($m[0])) ?: 'class').'@anonymous' : $m[0], $message);
            }

            $width = $this-&gt;terminal-&gt;getWidth() ? $this-&gt;terminal-&gt;getWidth() - 1 : \PHP_INT_MAX;
            $lines = [];
            foreach ('' !== $message ? preg_split('/\r?\n/', $message) : [] as $line) {
                foreach ($this-&gt;splitStringByWidth($line, $width - 4) as $line) {
                    // pre-format lines to get the right string length
                    $lineLength = Helper::width($line) + 4;
                    $lines[] = [$line, $lineLength];

                    $len = max($lineLength, $len);
                }
            }

            $messages = [];
            if (!$e instanceof ExceptionInterface || OutputInterface::VERBOSITY_VERBOSE &lt;= $output-&gt;getVerbosity()) {
                $messages[] = sprintf('&lt;comment&gt;%s&lt;/comment&gt;', OutputFormatter::escape(sprintf('In %s line %s:', basename($e-&gt;getFile()) ?: 'n/a', $e-&gt;getLine() ?: 'n/a')));
            }
            $messages[] = $emptyLine = sprintf('&lt;error&gt;%s&lt;/error&gt;', str_repeat(' ', $len));
            if ('' === $message || OutputInterface::VERBOSITY_VERBOSE &lt;= $output-&gt;getVerbosity()) {
                $messages[] = sprintf('&lt;error&gt;%s%s&lt;/error&gt;', $title, str_repeat(' ', max(0, $len - Helper::width($title))));
            }
            foreach ($lines as $line) {
                $messages[] = sprintf('&lt;error&gt;  %s  %s&lt;/error&gt;', OutputFormatter::escape($line[0]), str_repeat(' ', $len - $line[1]));
            }
            $messages[] = $emptyLine;
            $messages[] = '';

            $output-&gt;writeln($messages, OutputInterface::VERBOSITY_QUIET);

            if (OutputInterface::VERBOSITY_VERBOSE &lt;= $output-&gt;getVerbosity()) {
                $output-&gt;writeln('&lt;comment&gt;Exception trace:&lt;/comment&gt;', OutputInterface::VERBOSITY_QUIET);

                // exception related properties
                $trace = $e-&gt;getTrace();

                array_unshift($trace, [
                    'function' =&gt; '',
                    'file' =&gt; $e-&gt;getFile() ?: 'n/a',
                    'line' =&gt; $e-&gt;getLine() ?: 'n/a',
                    'args' =&gt; [],
                ]);

                for ($i = 0, $count = \count($trace); $i &lt; $count; ++$i) {
                    $class = $trace[$i]['class'] ?? '';
                    $type = $trace[$i]['type'] ?? '';
                    $function = $trace[$i]['function'] ?? '';
                    $file = $trace[$i]['file'] ?? 'n/a';
                    $line = $trace[$i]['line'] ?? 'n/a';

                    $output-&gt;writeln(sprintf(' %s%s at &lt;info&gt;%s:%s&lt;/info&gt;', $class, $function ? $type.$function.'()' : '', $file, $line), OutputInterface::VERBOSITY_QUIET);
                }

                $output-&gt;writeln('', OutputInterface::VERBOSITY_QUIET);
            }
        } while ($e = $e-&gt;getPrevious());
    }

    /**
     * Configures the input and output instances based on the user arguments and options.
     *
     * @return void
     */
    protected function configureIO(InputInterface $input, OutputInterface $output)
    {
        if (true === $input-&gt;hasParameterOption(['--ansi'], true)) {
            $output-&gt;setDecorated(true);
        } elseif (true === $input-&gt;hasParameterOption(['--no-ansi'], true)) {
            $output-&gt;setDecorated(false);
        }

        if (true === $input-&gt;hasParameterOption(['--no-interaction', '-n'], true)) {
            $input-&gt;setInteractive(false);
        }

        switch ($shellVerbosity = (int) getenv('SHELL_VERBOSITY')) {
            case -1:
                $output-&gt;setVerbosity(OutputInterface::VERBOSITY_QUIET);
                break;
            case 1:
                $output-&gt;setVerbosity(OutputInterface::VERBOSITY_VERBOSE);
                break;
            case 2:
                $output-&gt;setVerbosity(OutputInterface::VERBOSITY_VERY_VERBOSE);
                break;
            case 3:
                $output-&gt;setVerbosity(OutputInterface::VERBOSITY_DEBUG);
                break;
            default:
                $shellVerbosity = 0;
                break;
        }

        if (true === $input-&gt;hasParameterOption(['--quiet', '-q'], true)) {
            $output-&gt;setVerbosity(OutputInterface::VERBOSITY_QUIET);
            $shellVerbosity = -1;
        } else {
            if ($input-&gt;hasParameterOption('-vvv', true) || $input-&gt;hasParameterOption('--verbose=3', true) || 3 === $input-&gt;getParameterOption('--verbose', false, true)) {
                $output-&gt;setVerbosity(OutputInterface::VERBOSITY_DEBUG);
                $shellVerbosity = 3;
            } elseif ($input-&gt;hasParameterOption('-vv', true) || $input-&gt;hasParameterOption('--verbose=2', true) || 2 === $input-&gt;getParameterOption('--verbose', false, true)) {
                $output-&gt;setVerbosity(OutputInterface::VERBOSITY_VERY_VERBOSE);
                $shellVerbosity = 2;
            } elseif ($input-&gt;hasParameterOption('-v', true) || $input-&gt;hasParameterOption('--verbose=1', true) || $input-&gt;hasParameterOption('--verbose', true) || $input-&gt;getParameterOption('--verbose', false, true)) {
                $output-&gt;setVerbosity(OutputInterface::VERBOSITY_VERBOSE);
                $shellVerbosity = 1;
            }
        }

        if (-1 === $shellVerbosity) {
            $input-&gt;setInteractive(false);
        }

        if (\function_exists('putenv')) {
            @putenv('SHELL_VERBOSITY='.$shellVerbosity);
        }
        $_ENV['SHELL_VERBOSITY'] = $shellVerbosity;
        $_SERVER['SHELL_VERBOSITY'] = $shellVerbosity;
    }

    /**
     * Runs the current command.
     *
     * If an event dispatcher has been attached to the application,
     * events are also dispatched during the life-cycle of the command.
     *
     * @return int 0 if everything went fine, or an error code
     */
    protected function doRunCommand(Command $command, InputInterface $input, OutputInterface $output)
    {
        foreach ($command-&gt;getHelperSet() as $helper) {
            if ($helper instanceof InputAwareInterface) {
                $helper-&gt;setInput($input);
            }
        }

        $commandSignals = $command instanceof SignalableCommandInterface ? $command-&gt;getSubscribedSignals() : [];
        if ($commandSignals || $this-&gt;dispatcher &amp;&amp; $this-&gt;signalsToDispatchEvent) {
            if (!$this-&gt;signalRegistry) {
                throw new RuntimeException('Unable to subscribe to signal events. Make sure that the &quot;pcntl&quot; extension is installed and that &quot;pcntl_*&quot; functions are not disabled by your php.ini\'s &quot;disable_functions&quot; directive.');
            }

            if (Terminal::hasSttyAvailable()) {
                $sttyMode = shell_exec('stty -g');

                foreach ([\SIGINT, \SIGTERM] as $signal) {
                    $this-&gt;signalRegistry-&gt;register($signal, static fn () =&gt; shell_exec('stty '.$sttyMode));
                }
            }

            if ($this-&gt;dispatcher) {
                // We register application signals, so that we can dispatch the event
                foreach ($this-&gt;signalsToDispatchEvent as $signal) {
                    $event = new ConsoleSignalEvent($command, $input, $output, $signal);

                    $this-&gt;signalRegistry-&gt;register($signal, function ($signal) use ($event, $command, $commandSignals) {
                        $this-&gt;dispatcher-&gt;dispatch($event, ConsoleEvents::SIGNAL);
                        $exitCode = $event-&gt;getExitCode();

                        // If the command is signalable, we call the handleSignal() method
                        if (\in_array($signal, $commandSignals, true)) {
                            $exitCode = $command-&gt;handleSignal($signal, $exitCode);
                            // BC layer for Symfony &lt;= 5
                            if (null === $exitCode) {
                                trigger_deprecation('symfony/console', '6.3', 'Not returning an exit code from &quot;%s::handleSignal()&quot; is deprecated, return &quot;false&quot; to keep the command running or &quot;0&quot; to exit successfully.', get_debug_type($command));
                                $exitCode = 0;
                            }
                        }

                        if (false !== $exitCode) {
                            $event = new ConsoleTerminateEvent($command, $event-&gt;getInput(), $event-&gt;getOutput(), $exitCode, $signal);
                            $this-&gt;dispatcher-&gt;dispatch($event, ConsoleEvents::TERMINATE);

                            exit($event-&gt;getExitCode());
                        }
                    });
                }

                // then we register command signals, but not if already handled after the dispatcher
                $commandSignals = array_diff($commandSignals, $this-&gt;signalsToDispatchEvent);
            }

            foreach ($commandSignals as $signal) {
                $this-&gt;signalRegistry-&gt;register($signal, function (int $signal) use ($command): void {
                    $exitCode = $command-&gt;handleSignal($signal);
                    // BC layer for Symfony &lt;= 5
                    if (null === $exitCode) {
                        trigger_deprecation('symfony/console', '6.3', 'Not returning an exit code from &quot;%s::handleSignal()&quot; is deprecated, return &quot;false&quot; to keep the command running or &quot;0&quot; to exit successfully.', get_debug_type($command));
                        $exitCode = 0;
                    }

                    if (false !== $exitCode) {
                        exit($exitCode);
                    }
                });
            }
        }

        if (null === $this-&gt;dispatcher) {
            return $command-&gt;run($input, $output);
        }

        // bind before the console.command event, so the listeners have access to input options/arguments
        try {
            $command-&gt;mergeApplicationDefinition();
            $input-&gt;bind($command-&gt;getDefinition());
        } catch (ExceptionInterface) {
            // ignore invalid options/arguments for now, to allow the event listeners to customize the InputDefinition
        }

        $event = new ConsoleCommandEvent($command, $input, $output);
        $e = null;

        try {
            $this-&gt;dispatcher-&gt;dispatch($event, ConsoleEvents::COMMAND);

            if ($event-&gt;commandShouldRun()) {
                $exitCode = $command-&gt;run($input, $output);
            } else {
                $exitCode = ConsoleCommandEvent::RETURN_CODE_DISABLED;
            }
        } catch (\Throwable $e) {
            $event = new ConsoleErrorEvent($input, $output, $e, $command);
            $this-&gt;dispatcher-&gt;dispatch($event, ConsoleEvents::ERROR);
            $e = $event-&gt;getError();

            if (0 === $exitCode = $event-&gt;getExitCode()) {
                $e = null;
            }
        }

        $event = new ConsoleTerminateEvent($command, $input, $output, $exitCode);
        $this-&gt;dispatcher-&gt;dispatch($event, ConsoleEvents::TERMINATE);

        if (null !== $e) {
            throw $e;
        }

        return $event-&gt;getExitCode();
    }

    /**
     * Gets the name of the command based on input.
     */
    protected function getCommandName(InputInterface $input): ?string
    {
        return $this-&gt;singleCommand ? $this-&gt;defaultCommand : $input-&gt;getFirstArgument();
    }

    /**
     * Gets the default input definition.
     */
    protected function getDefaultInputDefinition(): InputDefinition
    {
        return new InputDefinition([
            new InputArgument('command', InputArgument::REQUIRED, 'The command to execute'),
            new InputOption('--help', '-h', InputOption::VALUE_NONE, 'Display help for the given command. When no command is given display help for the &lt;info&gt;'.$this-&gt;defaultCommand.'&lt;/info&gt; command'),
            new InputOption('--quiet', '-q', InputOption::VALUE_NONE, 'Do not output any message'),
            new InputOption('--verbose', '-v|vv|vvv', InputOption::VALUE_NONE, 'Increase the verbosity of messages: 1 for normal output, 2 for more verbose output and 3 for debug'),
            new InputOption('--version', '-V', InputOption::VALUE_NONE, 'Display this application version'),
            new InputOption('--ansi', '', InputOption::VALUE_NEGATABLE, 'Force (or disable --no-ansi) ANSI output', null),
            new InputOption('--no-interaction', '-n', InputOption::VALUE_NONE, 'Do not ask any interactive question'),
        ]);
    }

    /**
     * Gets the default commands that should always be available.
     *
     * @return Command[]
     */
    protected function getDefaultCommands(): array
    {
        return [new HelpCommand(), new ListCommand(), new CompleteCommand(), new DumpCompletionCommand()];
    }

    /**
     * Gets the default helper set with the helpers that should always be available.
     */
    protected function getDefaultHelperSet(): HelperSet
    {
        return new HelperSet([
            new FormatterHelper(),
            new DebugFormatterHelper(),
            new ProcessHelper(),
            new QuestionHelper(),
        ]);
    }

    /**
     * Returns abbreviated suggestions in string format.
     */
    private function getAbbreviationSuggestions(array $abbrevs): string
    {
        return '    '.implode(&quot;\n    &quot;, $abbrevs);
    }

    /**
     * Returns the namespace part of the command name.
     *
     * This method is not part of public API and should not be used directly.
     */
    public function extractNamespace(string $name, ?int $limit = null): string
    {
        $parts = explode(':', $name, -1);

        return implode(':', null === $limit ? $parts : \array_slice($parts, 0, $limit));
    }

    /**
     * Finds alternative of $name among $collection,
     * if nothing is found in $collection, try in $abbrevs.
     *
     * @return string[]
     */
    private function findAlternatives(string $name, iterable $collection): array
    {
        $threshold = 1e3;
        $alternatives = [];

        $collectionParts = [];
        foreach ($collection as $item) {
            $collectionParts[$item] = explode(':', $item);
        }

        foreach (explode(':', $name) as $i =&gt; $subname) {
            foreach ($collectionParts as $collectionName =&gt; $parts) {
                $exists = isset($alternatives[$collectionName]);
                if (!isset($parts[$i]) &amp;&amp; $exists) {
                    $alternatives[$collectionName] += $threshold;
                    continue;
                } elseif (!isset($parts[$i])) {
                    continue;
                }

                $lev = levenshtein($subname, $parts[$i]);
                if ($lev &lt;= \strlen($subname) / 3 || '' !== $subname &amp;&amp; str_contains($parts[$i], $subname)) {
                    $alternatives[$collectionName] = $exists ? $alternatives[$collectionName] + $lev : $lev;
                } elseif ($exists) {
                    $alternatives[$collectionName] += $threshold;
                }
            }
        }

        foreach ($collection as $item) {
            $lev = levenshtein($name, $item);
            if ($lev &lt;= \strlen($name) / 3 || str_contains($item, $name)) {
                $alternatives[$item] = isset($alternatives[$item]) ? $alternatives[$item] - $lev : $lev;
            }
        }

        $alternatives = array_filter($alternatives, fn ($lev) =&gt; $lev &lt; 2 * $threshold);
        ksort($alternatives, \SORT_NATURAL | \SORT_FLAG_CASE);

        return array_keys($alternatives);
    }

    /**
     * Sets the default Command name.
     *
     * @return $this
     */
    public function setDefaultCommand(string $commandName, bool $isSingleCommand = false): static
    {
        $this-&gt;defaultCommand = explode('|', ltrim($commandName, '|'))[0];

        if ($isSingleCommand) {
            // Ensure the command exist
            $this-&gt;find($commandName);

            $this-&gt;singleCommand = true;
        }

        return $this;
    }

    /**
     * @internal
     */
    public function isSingleCommand(): bool
    {
        return $this-&gt;singleCommand;
    }

    private function splitStringByWidth(string $string, int $width): array
    {
        // str_split is not suitable for multi-byte characters, we should use preg_split to get char array properly.
        // additionally, array_slice() is not enough as some character has doubled width.
        // we need a function to split string not by character count but by string width
        if (false === $encoding = mb_detect_encoding($string, null, true)) {
            return str_split($string, $width);
        }

        $utf8String = mb_convert_encoding($string, 'utf8', $encoding);
        $lines = [];
        $line = '';

        $offset = 0;
        while (preg_match('/.{1,10000}/u', $utf8String, $m, 0, $offset)) {
            $offset += \strlen($m[0]);

            foreach (preg_split('//u', $m[0]) as $char) {
                // test if $char could be appended to current line
                if (mb_strwidth($line.$char, 'utf8') &lt;= $width) {
                    $line .= $char;
                    continue;
                }
                // if not, push current line to array and make new line
                $lines[] = str_pad($line, $width);
                $line = $char;
            }
        }

        $lines[] = \count($lines) ? str_pad($line, $width) : $line;

        mb_convert_variables($encoding, 'utf8', $lines);

        return $lines;
    }

    /**
     * Returns all namespaces of the command name.
     *
     * @return string[]
     */
    private function extractAllNamespaces(string $name): array
    {
        // -1 as third argument is needed to skip the command short name when exploding
        $parts = explode(':', $name, -1);
        $namespaces = [];

        foreach ($parts as $part) {
            if (\count($namespaces)) {
                $namespaces[] = end($namespaces).':'.$part;
            } else {
                $namespaces[] = $part;
            }
        }

        return $namespaces;
    }

    private function init(): void
    {
        if ($this-&gt;initialized) {
            return;
        }
        $this-&gt;initialized = true;

        foreach ($this-&gt;getDefaultCommands() as $command) {
            $this-&gt;add($command);
        }
    }
}
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