How To Check The Laravel Version

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Laravel has two ways available to check the version of your Laravel application. The first easy way to check the laravel version using the command line by running a command. And the second way to check the laravel version in files.

There is two way to check laravel version:

  • Check Laravel Version Using the Command
  • Check Laravel Version in Files

Check Laravel Version Using the Command

The first way to check the laravel version using the command. So just open your terminal or CLI and go to your project root directory and run the command for the check the laravel.

Go to your project directory using the below command

cd your-project-name

Next, run the command to check the laravel version that is installed in your system or server.

# php artisan --version

Laravel Framework 9.27.0

Check Laravel Version in Files

The second way to check the laravel version.

Go to your project root directory. And follow the path

/vendor/laravel/framework/src/Illuminate/Foundation/Application.php

After open this above file in your project root directory, you can search the version inside file.

<?php

namespace Illuminate\Foundation;

use Closure;
use Illuminate\Container\Container;
use Illuminate\Contracts\Foundation\Application as ApplicationContract;
use Illuminate\Contracts\Foundation\CachesConfiguration;
use Illuminate\Contracts\Foundation\CachesRoutes;
use Illuminate\Contracts\Foundation\MaintenanceMode as MaintenanceModeContract;
use Illuminate\Contracts\Http\Kernel as HttpKernelContract;
use Illuminate\Events\EventServiceProvider;
use Illuminate\Filesystem\Filesystem;
use Illuminate\Foundation\Bootstrap\LoadEnvironmentVariables;
use Illuminate\Foundation\Events\LocaleUpdated;
use Illuminate\Http\Request;
use Illuminate\Log\LogServiceProvider;
use Illuminate\Routing\RoutingServiceProvider;
use Illuminate\Support\Arr;
use Illuminate\Support\Collection;
use Illuminate\Support\Env;
use Illuminate\Support\ServiceProvider;
use Illuminate\Support\Str;
use RuntimeException;
use Symfony\Component\HttpFoundation\Request as SymfonyRequest;
use Symfony\Component\HttpFoundation\Response as SymfonyResponse;
use Symfony\Component\HttpKernel\Exception\HttpException;
use Symfony\Component\HttpKernel\Exception\NotFoundHttpException;
use Symfony\Component\HttpKernel\HttpKernelInterface;

class Application extends Container implements ApplicationContract, CachesConfiguration, CachesRoutes, HttpKernelInterface
{
    /**
     * The Laravel framework version.
     *
     * @var string
     */
    const VERSION = '9.27.0';

    /**
     * The base path for the Laravel installation.
     *
     * @var string
     */
    protected $basePath;

    /**
     * Indicates if the application has been bootstrapped before.
     *
     * @var bool
     */
    protected $hasBeenBootstrapped = false;

    /**
     * Indicates if the application has "booted".
     *
     * @var bool
     */
    protected $booted = false;

    /**
     * The array of booting callbacks.
     *
     * @var callable[]
     */
    protected $bootingCallbacks = [];

    /**
     * The array of booted callbacks.
     *
     * @var callable[]
     */
    protected $bootedCallbacks = [];

    /**
     * The array of terminating callbacks.
     *
     * @var callable[]
     */
    protected $terminatingCallbacks = [];

    /**
     * All of the registered service providers.
     *
     * @var \Illuminate\Support\ServiceProvider[]
     */
    protected $serviceProviders = [];

    /**
     * The names of the loaded service providers.
     *
     * @var array
     */
    protected $loadedProviders = [];

    /**
     * The deferred services and their providers.
     *
     * @var array
     */
    protected $deferredServices = [];

    /**
     * The custom application path defined by the developer.
     *
     * @var string
     */
    protected $appPath;

    /**
     * The custom database path defined by the developer.
     *
     * @var string
     */
    protected $databasePath;

    /**
     * The custom language file path defined by the developer.
     *
     * @var string
     */
    protected $langPath;

    /**
     * The custom storage path defined by the developer.
     *
     * @var string
     */
    protected $storagePath;

    /**
     * The custom environment path defined by the developer.
     *
     * @var string
     */
    protected $environmentPath;

    /**
     * The environment file to load during bootstrapping.
     *
     * @var string
     */
    protected $environmentFile = '.env';

    /**
     * Indicates if the application is running in the console.
     *
     * @var bool|null
     */
    protected $isRunningInConsole;

    /**
     * The application namespace.
     *
     * @var string
     */
    protected $namespace;

    /**
     * The prefixes of absolute cache paths for use during normalization.
     *
     * @var string[]
     */
    protected $absoluteCachePathPrefixes = ['/', '\\'];

    /**
     * Create a new Illuminate application instance.
     *
     * @param  string|null  $basePath
     * @return void
     */
    public function __construct($basePath = null)
    {
        if ($basePath) {
            $this->setBasePath($basePath);
        }

        $this->registerBaseBindings();
        $this->registerBaseServiceProviders();
        $this->registerCoreContainerAliases();
    }

    /**
     * Get the version number of the application.
     *
     * @return string
     */
    public function version()
    {
        return static::VERSION;
    }

    /**
     * Register the basic bindings into the container.
     *
     * @return void
     */
    protected function registerBaseBindings()
    {
        static::setInstance($this);

        $this->instance('app', $this);

        $this->instance(Container::class, $this);
        $this->singleton(Mix::class);

        $this->singleton(PackageManifest::class, function () {
            return new PackageManifest(
                new Filesystem, $this->basePath(), $this->getCachedPackagesPath()
            );
        });
    }

    /**
     * Register all of the base service providers.
     *
     * @return void
     */
    protected function registerBaseServiceProviders()
    {
        $this->register(new EventServiceProvider($this));
        $this->register(new LogServiceProvider($this));
        $this->register(new RoutingServiceProvider($this));
    }

    /**
     * Run the given array of bootstrap classes.
     *
     * @param  string[]  $bootstrappers
     * @return void
     */
    public function bootstrapWith(array $bootstrappers)
    {
        $this->hasBeenBootstrapped = true;

        foreach ($bootstrappers as $bootstrapper) {
            $this['events']->dispatch('bootstrapping: '.$bootstrapper, [$this]);

            $this->make($bootstrapper)->bootstrap($this);

            $this['events']->dispatch('bootstrapped: '.$bootstrapper, [$this]);
        }
    }

    /**
     * Register a callback to run after loading the environment.
     *
     * @param  \Closure  $callback
     * @return void
     */
    public function afterLoadingEnvironment(Closure $callback)
    {
        $this->afterBootstrapping(
            LoadEnvironmentVariables::class, $callback
        );
    }

    /**
     * Register a callback to run before a bootstrapper.
     *
     * @param  string  $bootstrapper
     * @param  \Closure  $callback
     * @return void
     */
    public function beforeBootstrapping($bootstrapper, Closure $callback)
    {
        $this['events']->listen('bootstrapping: '.$bootstrapper, $callback);
    }

    /**
     * Register a callback to run after a bootstrapper.
     *
     * @param  string  $bootstrapper
     * @param  \Closure  $callback
     * @return void
     */
    public function afterBootstrapping($bootstrapper, Closure $callback)
    {
        $this['events']->listen('bootstrapped: '.$bootstrapper, $callback);
    }

    /**
     * Determine if the application has been bootstrapped before.
     *
     * @return bool
     */
    public function hasBeenBootstrapped()
    {
        return $this->hasBeenBootstrapped;
    }

    /**
     * Set the base path for the application.
     *
     * @param  string  $basePath
     * @return $this
     */
    public function setBasePath($basePath)
    {
        $this->basePath = rtrim($basePath, '\/');

        $this->bindPathsInContainer();

        return $this;
    }

    /**
     * Bind all of the application paths in the container.
     *
     * @return void
     */
    protected function bindPathsInContainer()
    {
        $this->instance('path', $this->path());
        $this->instance('path.base', $this->basePath());
        $this->instance('path.config', $this->configPath());
        $this->instance('path.public', $this->publicPath());
        $this->instance('path.storage', $this->storagePath());
        $this->instance('path.database', $this->databasePath());
        $this->instance('path.resources', $this->resourcePath());
        $this->instance('path.bootstrap', $this->bootstrapPath());

        $this->useLangPath(value(function () {
            if (is_dir($directory = $this->resourcePath('lang'))) {
                return $directory;
            }

            return $this->basePath('lang');
        }));
    }

    /**
     * Get the path to the application "app" directory.
     *
     * @param  string  $path
     * @return string
     */
    public function path($path = '')
    {
        $appPath = $this->appPath ?: $this->basePath.DIRECTORY_SEPARATOR.'app';

        return $appPath.($path != '' ? DIRECTORY_SEPARATOR.$path : '');
    }

    /**
     * Set the application directory.
     *
     * @param  string  $path
     * @return $this
     */
    public function useAppPath($path)
    {
        $this->appPath = $path;

        $this->instance('path', $path);

        return $this;
    }

    /**
     * Get the base path of the Laravel installation.
     *
     * @param  string  $path
     * @return string
     */
    public function basePath($path = '')
    {
        return $this->basePath.($path != '' ? DIRECTORY_SEPARATOR.$path : '');
    }

    /**
     * Get the path to the bootstrap directory.
     *
     * @param  string  $path
     * @return string
     */
    public function bootstrapPath($path = '')
    {
        return $this->basePath.DIRECTORY_SEPARATOR.'bootstrap'.($path != '' ? DIRECTORY_SEPARATOR.$path : '');
    }

    /**
     * Get the path to the application configuration files.
     *
     * @param  string  $path
     * @return string
     */
    public function configPath($path = '')
    {
        return $this->basePath.DIRECTORY_SEPARATOR.'config'.($path != '' ? DIRECTORY_SEPARATOR.$path : '');
    }

    /**
     * Get the path to the database directory.
     *
     * @param  string  $path
     * @return string
     */
    public function databasePath($path = '')
    {
        return ($this->databasePath ?: $this->basePath.DIRECTORY_SEPARATOR.'database').($path != '' ? DIRECTORY_SEPARATOR.$path : '');
    }

    /**
     * Set the database directory.
     *
     * @param  string  $path
     * @return $this
     */
    public function useDatabasePath($path)
    {
        $this->databasePath = $path;

        $this->instance('path.database', $path);

        return $this;
    }

    /**
     * Get the path to the language files.
     *
     * @param  string  $path
     * @return string
     */
    public function langPath($path = '')
    {
        return $this->langPath.($path != '' ? DIRECTORY_SEPARATOR.$path : '');
    }

    /**
     * Set the language file directory.
     *
     * @param  string  $path
     * @return $this
     */
    public function useLangPath($path)
    {
        $this->langPath = $path;

        $this->instance('path.lang', $path);

        return $this;
    }

    /**
     * Get the path to the public / web directory.
     *
     * @return string
     */
    public function publicPath()
    {
        return $this->basePath.DIRECTORY_SEPARATOR.'public';
    }

    /**
     * Get the path to the storage directory.
     *
     * @param  string  $path
     * @return string
     */
    public function storagePath($path = '')
    {
        return ($this->storagePath ?: $this->basePath.DIRECTORY_SEPARATOR.'storage')
                            .($path != '' ? DIRECTORY_SEPARATOR.$path : '');
    }

    /**
     * Set the storage directory.
     *
     * @param  string  $path
     * @return $this
     */
    public function useStoragePath($path)
    {
        $this->storagePath = $path;

        $this->instance('path.storage', $path);

        return $this;
    }

    /**
     * Get the path to the resources directory.
     *
     * @param  string  $path
     * @return string
     */
    public function resourcePath($path = '')
    {
        return $this->basePath.DIRECTORY_SEPARATOR.'resources'.($path != '' ? DIRECTORY_SEPARATOR.$path : '');
    }

    /**
     * Get the path to the views directory.
     *
     * This method returns the first configured path in the array of view paths.
     *
     * @param  string  $path
     * @return string
     */
    public function viewPath($path = '')
    {
        $basePath = $this['config']->get('view.paths')[0];

        return rtrim($basePath, DIRECTORY_SEPARATOR).($path != '' ? DIRECTORY_SEPARATOR.$path : '');
    }

    /**
     * Get the path to the environment file directory.
     *
     * @return string
     */
    public function environmentPath()
    {
        return $this->environmentPath ?: $this->basePath;
    }

    /**
     * Set the directory for the environment file.
     *
     * @param  string  $path
     * @return $this
     */
    public function useEnvironmentPath($path)
    {
        $this->environmentPath = $path;

        return $this;
    }

    /**
     * Set the environment file to be loaded during bootstrapping.
     *
     * @param  string  $file
     * @return $this
     */
    public function loadEnvironmentFrom($file)
    {
        $this->environmentFile = $file;

        return $this;
    }

    /**
     * Get the environment file the application is using.
     *
     * @return string
     */
    public function environmentFile()
    {
        return $this->environmentFile ?: '.env';
    }

    /**
     * Get the fully qualified path to the environment file.
     *
     * @return string
     */
    public function environmentFilePath()
    {
        return $this->environmentPath().DIRECTORY_SEPARATOR.$this->environmentFile();
    }

    /**
     * Get or check the current application environment.
     *
     * @param  string|array  $environments
     * @return string|bool
     */
    public function environment(...$environments)
    {
        if (count($environments) > 0) {
            $patterns = is_array($environments[0]) ? $environments[0] : $environments;

            return Str::is($patterns, $this['env']);
        }

        return $this['env'];
    }

    /**
     * Determine if the application is in the local environment.
     *
     * @return bool
     */
    public function isLocal()
    {
        return $this['env'] === 'local';
    }

    /**
     * Determine if the application is in the production environment.
     *
     * @return bool
     */
    public function isProduction()
    {
        return $this['env'] === 'production';
    }

    /**
     * Detect the application's current environment.
     *
     * @param  \Closure  $callback
     * @return string
     */
    public function detectEnvironment(Closure $callback)
    {
        $args = $_SERVER['argv'] ?? null;

        return $this['env'] = (new EnvironmentDetector)->detect($callback, $args);
    }

    /**
     * Determine if the application is running in the console.
     *
     * @return bool
     */
    public function runningInConsole()
    {
        if ($this->isRunningInConsole === null) {
            $this->isRunningInConsole = Env::get('APP_RUNNING_IN_CONSOLE') ?? (\PHP_SAPI === 'cli' || \PHP_SAPI === 'phpdbg');
        }

        return $this->isRunningInConsole;
    }

    /**
     * Determine if the application is running unit tests.
     *
     * @return bool
     */
    public function runningUnitTests()
    {
        return $this->bound('env') && $this['env'] === 'testing';
    }

    /**
     * Determine if the application is running with debug mode enabled.
     *
     * @return bool
     */
    public function hasDebugModeEnabled()
    {
        return (bool) $this['config']->get('app.debug');
    }

    /**
     * Register all of the configured providers.
     *
     * @return void
     */
    public function registerConfiguredProviders()
    {
        $providers = Collection::make($this->make('config')->get('app.providers'))
                        ->partition(function ($provider) {
                            return str_starts_with($provider, 'Illuminate\\');
                        });

        $providers->splice(1, 0, [$this->make(PackageManifest::class)->providers()]);

        (new ProviderRepository($this, new Filesystem, $this->getCachedServicesPath()))
                    ->load($providers->collapse()->toArray());
    }

    /**
     * Register a service provider with the application.
     *
     * @param  \Illuminate\Support\ServiceProvider|string  $provider
     * @param  bool  $force
     * @return \Illuminate\Support\ServiceProvider
     */
    public function register($provider, $force = false)
    {
        if (($registered = $this->getProvider($provider)) && ! $force) {
            return $registered;
        }

        // If the given "provider" is a string, we will resolve it, passing in the
        // application instance automatically for the developer. This is simply
        // a more convenient way of specifying your service provider classes.
        if (is_string($provider)) {
            $provider = $this->resolveProvider($provider);
        }

        $provider->register();

        // If there are bindings / singletons set as properties on the provider we
        // will spin through them and register them with the application, which
        // serves as a convenience layer while registering a lot of bindings.
        if (property_exists($provider, 'bindings')) {
            foreach ($provider->bindings as $key => $value) {
                $this->bind($key, $value);
            }
        }

        if (property_exists($provider, 'singletons')) {
            foreach ($provider->singletons as $key => $value) {
                $key = is_int($key) ? $value : $key;

                $this->singleton($key, $value);
            }
        }

        $this->markAsRegistered($provider);

        // If the application has already booted, we will call this boot method on
        // the provider class so it has an opportunity to do its boot logic and
        // will be ready for any usage by this developer's application logic.
        if ($this->isBooted()) {
            $this->bootProvider($provider);
        }

        return $provider;
    }

    /**
     * Get the registered service provider instance if it exists.
     *
     * @param  \Illuminate\Support\ServiceProvider|string  $provider
     * @return \Illuminate\Support\ServiceProvider|null
     */
    public function getProvider($provider)
    {
        return array_values($this->getProviders($provider))[0] ?? null;
    }

    /**
     * Get the registered service provider instances if any exist.
     *
     * @param  \Illuminate\Support\ServiceProvider|string  $provider
     * @return array
     */
    public function getProviders($provider)
    {
        $name = is_string($provider) ? $provider : get_class($provider);

        return Arr::where($this->serviceProviders, function ($value) use ($name) {
            return $value instanceof $name;
        });
    }

    /**
     * Resolve a service provider instance from the class name.
     *
     * @param  string  $provider
     * @return \Illuminate\Support\ServiceProvider
     */
    public function resolveProvider($provider)
    {
        return new $provider($this);
    }

    /**
     * Mark the given provider as registered.
     *
     * @param  \Illuminate\Support\ServiceProvider  $provider
     * @return void
     */
    protected function markAsRegistered($provider)
    {
        $this->serviceProviders[] = $provider;

        $this->loadedProviders[get_class($provider)] = true;
    }

    /**
     * Load and boot all of the remaining deferred providers.
     *
     * @return void
     */
    public function loadDeferredProviders()
    {
        // We will simply spin through each of the deferred providers and register each
        // one and boot them if the application has booted. This should make each of
        // the remaining services available to this application for immediate use.
        foreach ($this->deferredServices as $service => $provider) {
            $this->loadDeferredProvider($service);
        }

        $this->deferredServices = [];
    }

    /**
     * Load the provider for a deferred service.
     *
     * @param  string  $service
     * @return void
     */
    public function loadDeferredProvider($service)
    {
        if (! $this->isDeferredService($service)) {
            return;
        }

        $provider = $this->deferredServices[$service];

        // If the service provider has not already been loaded and registered we can
        // register it with the application and remove the service from this list
        // of deferred services, since it will already be loaded on subsequent.
        if (! isset($this->loadedProviders[$provider])) {
            $this->registerDeferredProvider($provider, $service);
        }
    }

    /**
     * Register a deferred provider and service.
     *
     * @param  string  $provider
     * @param  string|null  $service
     * @return void
     */
    public function registerDeferredProvider($provider, $service = null)
    {
        // Once the provider that provides the deferred service has been registered we
        // will remove it from our local list of the deferred services with related
        // providers so that this container does not try to resolve it out again.
        if ($service) {
            unset($this->deferredServices[$service]);
        }

        $this->register($instance = new $provider($this));

        if (! $this->isBooted()) {
            $this->booting(function () use ($instance) {
                $this->bootProvider($instance);
            });
        }
    }

    /**
     * Resolve the given type from the container.
     *
     * @param  string  $abstract
     * @param  array  $parameters
     * @return mixed
     */
    public function make($abstract, array $parameters = [])
    {
        $this->loadDeferredProviderIfNeeded($abstract = $this->getAlias($abstract));

        return parent::make($abstract, $parameters);
    }

    /**
     * Resolve the given type from the container.
     *
     * @param  string  $abstract
     * @param  array  $parameters
     * @param  bool  $raiseEvents
     * @return mixed
     */
    protected function resolve($abstract, $parameters = [], $raiseEvents = true)
    {
        $this->loadDeferredProviderIfNeeded($abstract = $this->getAlias($abstract));

        return parent::resolve($abstract, $parameters, $raiseEvents);
    }

    /**
     * Load the deferred provider if the given type is a deferred service and the instance has not been loaded.
     *
     * @param  string  $abstract
     * @return void
     */
    protected function loadDeferredProviderIfNeeded($abstract)
    {
        if ($this->isDeferredService($abstract) && ! isset($this->instances[$abstract])) {
            $this->loadDeferredProvider($abstract);
        }
    }

    /**
     * Determine if the given abstract type has been bound.
     *
     * @param  string  $abstract
     * @return bool
     */
    public function bound($abstract)
    {
        return $this->isDeferredService($abstract) || parent::bound($abstract);
    }

    /**
     * Determine if the application has booted.
     *
     * @return bool
     */
    public function isBooted()
    {
        return $this->booted;
    }

    /**
     * Boot the application's service providers.
     *
     * @return void
     */
    public function boot()
    {
        if ($this->isBooted()) {
            return;
        }

        // Once the application has booted we will also fire some "booted" callbacks
        // for any listeners that need to do work after this initial booting gets
        // finished. This is useful when ordering the boot-up processes we run.
        $this->fireAppCallbacks($this->bootingCallbacks);

        array_walk($this->serviceProviders, function ($p) {
            $this->bootProvider($p);
        });

        $this->booted = true;

        $this->fireAppCallbacks($this->bootedCallbacks);
    }

    /**
     * Boot the given service provider.
     *
     * @param  \Illuminate\Support\ServiceProvider  $provider
     * @return void
     */
    protected function bootProvider(ServiceProvider $provider)
    {
        $provider->callBootingCallbacks();

        if (method_exists($provider, 'boot')) {
            $this->call([$provider, 'boot']);
        }

        $provider->callBootedCallbacks();
    }

    /**
     * Register a new boot listener.
     *
     * @param  callable  $callback
     * @return void
     */
    public function booting($callback)
    {
        $this->bootingCallbacks[] = $callback;
    }

    /**
     * Register a new "booted" listener.
     *
     * @param  callable  $callback
     * @return void
     */
    public function booted($callback)
    {
        $this->bootedCallbacks[] = $callback;

        if ($this->isBooted()) {
            $callback($this);
        }
    }

    /**
     * Call the booting callbacks for the application.
     *
     * @param  callable[]  $callbacks
     * @return void
     */
    protected function fireAppCallbacks(array &$callbacks)
    {
        $index = 0;

        while ($index < count($callbacks)) {
            $callbacks[$index]($this);

            $index++;
        }
    }

    /**
     * {@inheritdoc}
     *
     * @return \Symfony\Component\HttpFoundation\Response
     */
    public function handle(SymfonyRequest $request, int $type = self::MAIN_REQUEST, bool $catch = true): SymfonyResponse
    {
        return $this[HttpKernelContract::class]->handle(Request::createFromBase($request));
    }

    /**
     * Determine if middleware has been disabled for the application.
     *
     * @return bool
     */
    public function shouldSkipMiddleware()
    {
        return $this->bound('middleware.disable') &&
               $this->make('middleware.disable') === true;
    }

    /**
     * Get the path to the cached services.php file.
     *
     * @return string
     */
    public function getCachedServicesPath()
    {
        return $this->normalizeCachePath('APP_SERVICES_CACHE', 'cache/services.php');
    }

    /**
     * Get the path to the cached packages.php file.
     *
     * @return string
     */
    public function getCachedPackagesPath()
    {
        return $this->normalizeCachePath('APP_PACKAGES_CACHE', 'cache/packages.php');
    }

    /**
     * Determine if the application configuration is cached.
     *
     * @return bool
     */
    public function configurationIsCached()
    {
        return is_file($this->getCachedConfigPath());
    }

    /**
     * Get the path to the configuration cache file.
     *
     * @return string
     */
    public function getCachedConfigPath()
    {
        return $this->normalizeCachePath('APP_CONFIG_CACHE', 'cache/config.php');
    }

    /**
     * Determine if the application routes are cached.
     *
     * @return bool
     */
    public function routesAreCached()
    {
        return $this['files']->exists($this->getCachedRoutesPath());
    }

    /**
     * Get the path to the routes cache file.
     *
     * @return string
     */
    public function getCachedRoutesPath()
    {
        return $this->normalizeCachePath('APP_ROUTES_CACHE', 'cache/routes-v7.php');
    }

    /**
     * Determine if the application events are cached.
     *
     * @return bool
     */
    public function eventsAreCached()
    {
        return $this['files']->exists($this->getCachedEventsPath());
    }

    /**
     * Get the path to the events cache file.
     *
     * @return string
     */
    public function getCachedEventsPath()
    {
        return $this->normalizeCachePath('APP_EVENTS_CACHE', 'cache/events.php');
    }

    /**
     * Normalize a relative or absolute path to a cache file.
     *
     * @param  string  $key
     * @param  string  $default
     * @return string
     */
    protected function normalizeCachePath($key, $default)
    {
        if (is_null($env = Env::get($key))) {
            return $this->bootstrapPath($default);
        }

        return Str::startsWith($env, $this->absoluteCachePathPrefixes)
                ? $env
                : $this->basePath($env);
    }

    /**
     * Add new prefix to list of absolute path prefixes.
     *
     * @param  string  $prefix
     * @return $this
     */
    public function addAbsoluteCachePathPrefix($prefix)
    {
        $this->absoluteCachePathPrefixes[] = $prefix;

        return $this;
    }

    /**
     * Get an instance of the maintenance mode manager implementation.
     *
     * @return \Illuminate\Contracts\Foundation\MaintenanceMode
     */
    public function maintenanceMode()
    {
        return $this->make(MaintenanceModeContract::class);
    }

    /**
     * Determine if the application is currently down for maintenance.
     *
     * @return bool
     */
    public function isDownForMaintenance()
    {
        return $this->maintenanceMode()->active();
    }

    /**
     * Throw an HttpException with the given data.
     *
     * @param  int  $code
     * @param  string  $message
     * @param  array  $headers
     * @return never
     *
     * @throws \Symfony\Component\HttpKernel\Exception\HttpException
     * @throws \Symfony\Component\HttpKernel\Exception\NotFoundHttpException
     */
    public function abort($code, $message = '', array $headers = [])
    {
        if ($code == 404) {
            throw new NotFoundHttpException($message);
        }

        throw new HttpException($code, $message, null, $headers);
    }

    /**
     * Register a terminating callback with the application.
     *
     * @param  callable|string  $callback
     * @return $this
     */
    public function terminating($callback)
    {
        $this->terminatingCallbacks[] = $callback;

        return $this;
    }

    /**
     * Terminate the application.
     *
     * @return void
     */
    public function terminate()
    {
        $index = 0;

        while ($index < count($this->terminatingCallbacks)) {
            $this->call($this->terminatingCallbacks[$index]);

            $index++;
        }
    }

    /**
     * Get the service providers that have been loaded.
     *
     * @return array
     */
    public function getLoadedProviders()
    {
        return $this->loadedProviders;
    }

    /**
     * Determine if the given service provider is loaded.
     *
     * @param  string  $provider
     * @return bool
     */
    public function providerIsLoaded(string $provider)
    {
        return isset($this->loadedProviders[$provider]);
    }

    /**
     * Get the application's deferred services.
     *
     * @return array
     */
    public function getDeferredServices()
    {
        return $this->deferredServices;
    }

    /**
     * Set the application's deferred services.
     *
     * @param  array  $services
     * @return void
     */
    public function setDeferredServices(array $services)
    {
        $this->deferredServices = $services;
    }

    /**
     * Add an array of services to the application's deferred services.
     *
     * @param  array  $services
     * @return void
     */
    public function addDeferredServices(array $services)
    {
        $this->deferredServices = array_merge($this->deferredServices, $services);
    }

    /**
     * Determine if the given service is a deferred service.
     *
     * @param  string  $service
     * @return bool
     */
    public function isDeferredService($service)
    {
        return isset($this->deferredServices[$service]);
    }

    /**
     * Configure the real-time facade namespace.
     *
     * @param  string  $namespace
     * @return void
     */
    public function provideFacades($namespace)
    {
        AliasLoader::setFacadeNamespace($namespace);
    }

    /**
     * Get the current application locale.
     *
     * @return string
     */
    public function getLocale()
    {
        return $this['config']->get('app.locale');
    }

    /**
     * Get the current application locale.
     *
     * @return string
     */
    public function currentLocale()
    {
        return $this->getLocale();
    }

    /**
     * Get the current application fallback locale.
     *
     * @return string
     */
    public function getFallbackLocale()
    {
        return $this['config']->get('app.fallback_locale');
    }

    /**
     * Set the current application locale.
     *
     * @param  string  $locale
     * @return void
     */
    public function setLocale($locale)
    {
        $this['config']->set('app.locale', $locale);

        $this['translator']->setLocale($locale);

        $this['events']->dispatch(new LocaleUpdated($locale));
    }

    /**
     * Set the current application fallback locale.
     *
     * @param  string  $fallbackLocale
     * @return void
     */
    public function setFallbackLocale($fallbackLocale)
    {
        $this['config']->set('app.fallback_locale', $fallbackLocale);

        $this['translator']->setFallback($fallbackLocale);
    }

    /**
     * Determine if the application locale is the given locale.
     *
     * @param  string  $locale
     * @return bool
     */
    public function isLocale($locale)
    {
        return $this->getLocale() == $locale;
    }

    /**
     * Register the core class aliases in the container.
     *
     * @return void
     */
    public function registerCoreContainerAliases()
    {
        foreach ([
            'app' => [self::class, \Illuminate\Contracts\Container\Container::class, \Illuminate\Contracts\Foundation\Application::class, \Psr\Container\ContainerInterface::class],
            'auth' => [\Illuminate\Auth\AuthManager::class, \Illuminate\Contracts\Auth\Factory::class],
            'auth.driver' => [\Illuminate\Contracts\Auth\Guard::class],
            'blade.compiler' => [\Illuminate\View\Compilers\BladeCompiler::class],
            'cache' => [\Illuminate\Cache\CacheManager::class, \Illuminate\Contracts\Cache\Factory::class],
            'cache.store' => [\Illuminate\Cache\Repository::class, \Illuminate\Contracts\Cache\Repository::class, \Psr\SimpleCache\CacheInterface::class],
            'cache.psr6' => [\Symfony\Component\Cache\Adapter\Psr16Adapter::class, \Symfony\Component\Cache\Adapter\AdapterInterface::class, \Psr\Cache\CacheItemPoolInterface::class],
            'config' => [\Illuminate\Config\Repository::class, \Illuminate\Contracts\Config\Repository::class],
            'cookie' => [\Illuminate\Cookie\CookieJar::class, \Illuminate\Contracts\Cookie\Factory::class, \Illuminate\Contracts\Cookie\QueueingFactory::class],
            'db' => [\Illuminate\Database\DatabaseManager::class, \Illuminate\Database\ConnectionResolverInterface::class],
            'db.connection' => [\Illuminate\Database\Connection::class, \Illuminate\Database\ConnectionInterface::class],
            'db.schema' => [\Illuminate\Database\Schema\Builder::class],
            'encrypter' => [\Illuminate\Encryption\Encrypter::class, \Illuminate\Contracts\Encryption\Encrypter::class, \Illuminate\Contracts\Encryption\StringEncrypter::class],
            'events' => [\Illuminate\Events\Dispatcher::class, \Illuminate\Contracts\Events\Dispatcher::class],
            'files' => [\Illuminate\Filesystem\Filesystem::class],
            'filesystem' => [\Illuminate\Filesystem\FilesystemManager::class, \Illuminate\Contracts\Filesystem\Factory::class],
            'filesystem.disk' => [\Illuminate\Contracts\Filesystem\Filesystem::class],
            'filesystem.cloud' => [\Illuminate\Contracts\Filesystem\Cloud::class],
            'hash' => [\Illuminate\Hashing\HashManager::class],
            'hash.driver' => [\Illuminate\Contracts\Hashing\Hasher::class],
            'translator' => [\Illuminate\Translation\Translator::class, \Illuminate\Contracts\Translation\Translator::class],
            'log' => [\Illuminate\Log\LogManager::class, \Psr\Log\LoggerInterface::class],
            'mail.manager' => [\Illuminate\Mail\MailManager::class, \Illuminate\Contracts\Mail\Factory::class],
            'mailer' => [\Illuminate\Mail\Mailer::class, \Illuminate\Contracts\Mail\Mailer::class, \Illuminate\Contracts\Mail\MailQueue::class],
            'auth.password' => [\Illuminate\Auth\Passwords\PasswordBrokerManager::class, \Illuminate\Contracts\Auth\PasswordBrokerFactory::class],
            'auth.password.broker' => [\Illuminate\Auth\Passwords\PasswordBroker::class, \Illuminate\Contracts\Auth\PasswordBroker::class],
            'queue' => [\Illuminate\Queue\QueueManager::class, \Illuminate\Contracts\Queue\Factory::class, \Illuminate\Contracts\Queue\Monitor::class],
            'queue.connection' => [\Illuminate\Contracts\Queue\Queue::class],
            'queue.failer' => [\Illuminate\Queue\Failed\FailedJobProviderInterface::class],
            'redirect' => [\Illuminate\Routing\Redirector::class],
            'redis' => [\Illuminate\Redis\RedisManager::class, \Illuminate\Contracts\Redis\Factory::class],
            'redis.connection' => [\Illuminate\Redis\Connections\Connection::class, \Illuminate\Contracts\Redis\Connection::class],
            'request' => [\Illuminate\Http\Request::class, \Symfony\Component\HttpFoundation\Request::class],
            'router' => [\Illuminate\Routing\Router::class, \Illuminate\Contracts\Routing\Registrar::class, \Illuminate\Contracts\Routing\BindingRegistrar::class],
            'session' => [\Illuminate\Session\SessionManager::class],
            'session.store' => [\Illuminate\Session\Store::class, \Illuminate\Contracts\Session\Session::class],
            'url' => [\Illuminate\Routing\UrlGenerator::class, \Illuminate\Contracts\Routing\UrlGenerator::class],
            'validator' => [\Illuminate\Validation\Factory::class, \Illuminate\Contracts\Validation\Factory::class],
            'view' => [\Illuminate\View\Factory::class, \Illuminate\Contracts\View\Factory::class],
        ] as $key => $aliases) {
            foreach ($aliases as $alias) {
                $this->alias($key, $alias);
            }
        }
    }

    /**
     * Flush the container of all bindings and resolved instances.
     *
     * @return void
     */
    public function flush()
    {
        parent::flush();

        $this->buildStack = [];
        $this->loadedProviders = [];
        $this->bootedCallbacks = [];
        $this->bootingCallbacks = [];
        $this->deferredServices = [];
        $this->reboundCallbacks = [];
        $this->serviceProviders = [];
        $this->resolvingCallbacks = [];
        $this->terminatingCallbacks = [];
        $this->beforeResolvingCallbacks = [];
        $this->afterResolvingCallbacks = [];
        $this->globalBeforeResolvingCallbacks = [];
        $this->globalResolvingCallbacks = [];
        $this->globalAfterResolvingCallbacks = [];
    }

    /**
     * Get the application namespace.
     *
     * @return string
     *
     * @throws \RuntimeException
     */
    public function getNamespace()
    {
        if (! is_null($this->namespace)) {
            return $this->namespace;
        }

        $composer = json_decode(file_get_contents($this->basePath('composer.json')), true);

        foreach ((array) data_get($composer, 'autoload.psr-4') as $namespace => $path) {
            foreach ((array) $path as $pathChoice) {
                if (realpath($this->path()) === realpath($this->basePath($pathChoice))) {
                    return $this->namespace = $namespace;
                }
            }
        }

        throw new RuntimeException('Unable to detect application namespace.');
    }
}

Conclusion

In this tutorial, you have learned how to check the laravel version using the command-line interface(CLI) and in the project file.

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