Improved session error handling

Added check for the minimum php version
Package update and cleanup

app/Web/Session.php

@@ -3,6 +3,8 @@
 namespace App\Web;
 
 
+use Exception;
+
 class Session
 {
 
@@ -10,19 +12,24 @@ class Session
 	 * Session constructor.
 	 * @param string $name
 	 * @param string $path
-	 * @throws \Exception
+	 * @throws Exception
 	 */
 	public function __construct(string $name, $path = '')
 	{
 		if (session_status() === PHP_SESSION_NONE) {
 			if (!is_writable($path) && $path !== '') {
-				throw new \Exception("The given path '{$path}' is not writable.");
+				throw new Exception("The given path '{$path}' is not writable.");
 			}
-			session_start([
+
+			$started = @session_start([
 				'name' => $name,
 				'save_path' => $path,
 				'cookie_httponly' => true,
 			]);
+
+			if (!$started) {
+				throw new Exception("Cannot start the HTTP session. That the session path '{$path}' is writable and your PHP settings.");
+			}
 		}
 	}
 
@@ -98,7 +105,7 @@ class Session
 	 * Retrieve flash alerts
 	 * @return array
 	 */
-	public function getAlert()
+	public function getAlert(): ?array
 	{
 		$flash = self::get('_flash');
 		self::set('_flash', []);

bootstrap/app.php

@@ -1,6 +1,8 @@
 <?php
 
 use App\Database\DB;
+use App\Exceptions\MaintenanceException;
+use App\Exceptions\UnauthorizedException;
 use App\Web\Lang;
 use App\Web\Session;
 use Monolog\Formatter\LineFormatter;
@@ -8,6 +10,12 @@ use Monolog\Handler\RotatingFileHandler;
 use Monolog\Logger;
 use Slim\App;
 use Slim\Container;
+use Slim\Http\Environment;
+use Slim\Http\Request;
+use Slim\Http\Response;
+use Slim\Http\Uri;
+use Slim\Views\Twig;
+use Twig\TwigFunction;
 
 if (!file_exists('config.php') && is_dir('install/')) {
 	header('Location: ./install/');
@@ -66,7 +74,7 @@ $container['lang'] = function ($container) {
 };
 
 $container['view'] = function ($container) use (&$config) {
-	$view = new \Slim\Views\Twig(BASE_DIR . 'resources/templates', [
+	$view = new Twig(BASE_DIR . 'resources/templates', [
 		'cache' => BASE_DIR . 'resources/cache',
 		'autoescape' => 'html',
 		'debug' => $config['displayErrorDetails'],
@@ -75,7 +83,7 @@ $container['view'] = function ($container) use (&$config) {
 
 	// Instantiate and add Slim specific extension
 	$router = $container->get('router');
-	$uri = \Slim\Http\Uri::createFromEnvironment(new \Slim\Http\Environment($_SERVER));
+	$uri = Uri::createFromEnvironment(new Environment($_SERVER));
 	$view->addExtension(new Slim\Views\TwigExtension($router, $uri));
 
 	$view->getEnvironment()->addGlobal('config', $config);
@@ -85,29 +93,29 @@ $container['view'] = function ($container) use (&$config) {
 	$view->getEnvironment()->addGlobal('current_lang', $container->get('lang')->getLang());
 	$view->getEnvironment()->addGlobal('PLATFORM_VERSION', PLATFORM_VERSION);
 
-	$view->getEnvironment()->addFunction(new Twig_Function('route', 'route'));
-	$view->getEnvironment()->addFunction(new Twig_Function('lang', 'lang'));
-	$view->getEnvironment()->addFunction(new Twig_Function('urlFor', 'urlFor'));
-	$view->getEnvironment()->addFunction(new Twig_Function('mime2font', 'mime2font'));
-	$view->getEnvironment()->addFunction(new Twig_Function('queryParams', 'queryParams'));
+	$view->getEnvironment()->addFunction(new TwigFunction('route', 'route'));
+	$view->getEnvironment()->addFunction(new TwigFunction('lang', 'lang'));
+	$view->getEnvironment()->addFunction(new TwigFunction('urlFor', 'urlFor'));
+	$view->getEnvironment()->addFunction(new TwigFunction('mime2font', 'mime2font'));
+	$view->getEnvironment()->addFunction(new TwigFunction('queryParams', 'queryParams'));
 	return $view;
 };
 
 $container['phpErrorHandler'] = function ($container) {
-	return function (\Slim\Http\Request $request, \Slim\Http\Response $response, \Throwable $error) use (&$container) {
+	return function (Request $request, Response $response, Throwable $error) use (&$container) {
 		$container->logger->critical('Fatal runtime error during app execution', [$error, $error->getTraceAsString()]);
 		return $container->view->render($response->withStatus(500), 'errors/500.twig', ['exception' => $error]);
 	};
 };
 
 $container['errorHandler'] = function ($container) {
-	return function (\Slim\Http\Request $request, \Slim\Http\Response $response, \Exception $exception) use (&$container) {
+	return function (Request $request, Response $response, Exception $exception) use (&$container) {
 
-		if ($exception instanceof \App\Exceptions\MaintenanceException) {
+		if ($exception instanceof MaintenanceException) {
 			return $container->view->render($response->withStatus(503), 'errors/maintenance.twig');
 		}
 
-		if ($exception instanceof \App\Exceptions\UnauthorizedException) {
+		if ($exception instanceof UnauthorizedException) {
 			return $container->view->render($response->withStatus(403), 'errors/403.twig');
 		}
 
@@ -117,13 +125,13 @@ $container['errorHandler'] = function ($container) {
 };
 
 $container['notAllowedHandler'] = function ($container) {
-	return function (\Slim\Http\Request $request, \Slim\Http\Response $response, $methods) use (&$container) {
+	return function (Request $request, Response $response, $methods) use (&$container) {
 		return $container->view->render($response->withStatus(405)->withHeader('Allow', implode(', ', $methods)), 'errors/405.twig');
 	};
 };
 
 $container['notFoundHandler'] = function ($container) {
-	return function (\Slim\Http\Request $request, \Slim\Http\Response $response) use (&$container) {
+	return function (Request $request, Response $response) use (&$container) {
 		$response->withStatus(404)->withHeader('Content-Type', 'text/html');
 		return $container->view->render($response, 'errors/404.twig');
 	};
@@ -132,7 +140,7 @@ $container['notFoundHandler'] = function ($container) {
 $app = new App($container);
 
 // Permanently redirect paths with a trailing slash to their non-trailing counterpart
-$app->add(function (\Slim\Http\Request $request, \Slim\Http\Response $response, callable $next) {
+$app->add(function (Request $request, Response $response, callable $next) {
 	$uri = $request->getUri();
 	$path = $uri->getPath();
 
@@ -150,4 +158,6 @@ $app->add(function (\Slim\Http\Request $request, \Slim\Http\Response $response,
 });
 
 // Load the application routes
-require BASE_DIR . 'app/routes.php';
+require BASE_DIR . 'app/routes.php';
+
+return $app;

composer.json

@@ -29,5 +29,8 @@
       "blacklist": [],
       "update_with_dependencies": 1
     }
+  },
+  "require-dev": {
+    "phpstan/phpstan": "^0.11.5"
   }
 }

composer.lock

@@ -1,10 +1,10 @@
 {
     "_readme": [
         "This file locks the dependencies of your project to a known state",
-        "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
+        "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#composer-lock-the-lock-file",
         "This file is @generated automatically"
     ],
-    "content-hash": "1ad298d75b7e5c96f85c2c32a24e2502",
+    "content-hash": "e650b40bdd96d101030a0e33a7ff5ffe",
     "packages": [
         {
             "name": "container-interop/container-interop",
@@ -859,16 +859,16 @@
         },
         {
             "name": "twig/twig",
-            "version": "v2.7.4",
+            "version": "v2.9.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/twigphp/Twig.git",
-                "reference": "ed9c49220e09bfaeb1ba4d48077c08a7b09908dd"
+                "reference": "82a1c055c8ed4c4705023bfd0405f3c74db6e3ae"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/twigphp/Twig/zipball/ed9c49220e09bfaeb1ba4d48077c08a7b09908dd",
-                "reference": "ed9c49220e09bfaeb1ba4d48077c08a7b09908dd",
+                "url": "https://api.github.com/repos/twigphp/Twig/zipball/82a1c055c8ed4c4705023bfd0405f3c74db6e3ae",
+                "reference": "82a1c055c8ed4c4705023bfd0405f3c74db6e3ae",
                 "shasum": ""
             },
             "require": {
@@ -884,7 +884,7 @@
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "2.7-dev"
+                    "dev-master": "2.9-dev"
                 }
             },
             "autoload": {
@@ -922,10 +922,1039 @@
             "keywords": [
                 "templating"
             ],
-            "time": "2019-03-23T14:28:58+00:00"
+            "time": "2019-04-28T06:57:38+00:00"
+        }
+    ],
+    "packages-dev": [
+        {
+            "name": "composer/xdebug-handler",
+            "version": "1.3.2",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/composer/xdebug-handler.git",
+                "reference": "d17708133b6c276d6e42ef887a877866b909d892"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/composer/xdebug-handler/zipball/d17708133b6c276d6e42ef887a877866b909d892",
+                "reference": "d17708133b6c276d6e42ef887a877866b909d892",
+                "shasum": ""
+            },
+            "require": {
+                "php": "^5.3.2 || ^7.0",
+                "psr/log": "^1.0"
+            },
+            "require-dev": {
+                "phpunit/phpunit": "^4.8.35 || ^5.7 || ^6.5"
+            },
+            "type": "library",
+            "autoload": {
+                "psr-4": {
+                    "Composer\\XdebugHandler\\": "src"
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "John Stevenson",
+                    "email": "john-stevenson@blueyonder.co.uk"
+                }
+            ],
+            "description": "Restarts a process without xdebug.",
+            "keywords": [
+                "Xdebug",
+                "performance"
+            ],
+            "time": "2019-01-28T20:25:53+00:00"
+        },
+        {
+            "name": "jean85/pretty-package-versions",
+            "version": "1.2",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/Jean85/pretty-package-versions.git",
+                "reference": "75c7effcf3f77501d0e0caa75111aff4daa0dd48"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/Jean85/pretty-package-versions/zipball/75c7effcf3f77501d0e0caa75111aff4daa0dd48",
+                "reference": "75c7effcf3f77501d0e0caa75111aff4daa0dd48",
+                "shasum": ""
+            },
+            "require": {
+                "ocramius/package-versions": "^1.2.0",
+                "php": "^7.0"
+            },
+            "require-dev": {
+                "phpunit/phpunit": "^6.0"
+            },
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "1.x-dev"
+                }
+            },
+            "autoload": {
+                "psr-4": {
+                    "Jean85\\": "src/"
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Alessandro Lai",
+                    "email": "alessandro.lai85@gmail.com"
+                }
+            ],
+            "description": "A wrapper for ocramius/package-versions to get pretty versions strings",
+            "keywords": [
+                "composer",
+                "package",
+                "release",
+                "versions"
+            ],
+            "time": "2018-06-13T13:22:40+00:00"
+        },
+        {
+            "name": "nette/bootstrap",
+            "version": "v3.0.0",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/nette/bootstrap.git",
+                "reference": "e1075af05c211915e03e0c86542f3ba5433df4a3"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/nette/bootstrap/zipball/e1075af05c211915e03e0c86542f3ba5433df4a3",
+                "reference": "e1075af05c211915e03e0c86542f3ba5433df4a3",
+                "shasum": ""
+            },
+            "require": {
+                "nette/di": "^3.0",
+                "nette/utils": "^3.0",
+                "php": ">=7.1"
+            },
+            "require-dev": {
+                "latte/latte": "^2.2",
+                "nette/application": "^3.0",
+                "nette/caching": "^3.0",
+                "nette/database": "^3.0",
+                "nette/forms": "^3.0",
+                "nette/http": "^3.0",
+                "nette/mail": "^3.0",
+                "nette/robot-loader": "^3.0",
+                "nette/safe-stream": "^2.2",
+                "nette/security": "^3.0",
+                "nette/tester": "^2.0",
+                "tracy/tracy": "^2.6"
+            },
+            "suggest": {
+                "nette/robot-loader": "to use Configurator::createRobotLoader()",
+                "tracy/tracy": "to use Configurator::enableTracy()"
+            },
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "3.0-dev"
+                }
+            },
+            "autoload": {
+                "classmap": [
+                    "src/"
+                ]
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "BSD-3-Clause",
+                "GPL-2.0",
+                "GPL-3.0"
+            ],
+            "authors": [
+                {
+                    "name": "David Grudl",
+                    "homepage": "https://davidgrudl.com"
+                },
+                {
+                    "name": "Nette Community",
+                    "homepage": "https://nette.org/contributors"
+                }
+            ],
+            "description": "🅱 Nette Bootstrap: the simple way to configure and bootstrap your Nette application.",
+            "homepage": "https://nette.org",
+            "keywords": [
+                "bootstrapping",
+                "configurator",
+                "nette"
+            ],
+            "time": "2019-03-26T12:59:07+00:00"
+        },
+        {
+            "name": "nette/di",
+            "version": "v3.0.0",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/nette/di.git",
+                "reference": "19d83539245aaacb59470828919182411061841f"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/nette/di/zipball/19d83539245aaacb59470828919182411061841f",
+                "reference": "19d83539245aaacb59470828919182411061841f",
+                "shasum": ""
+            },
+            "require": {
+                "ext-tokenizer": "*",
+                "nette/neon": "^3.0",
+                "nette/php-generator": "^3.2.2",
+                "nette/robot-loader": "^3.2",
+                "nette/schema": "^1.0",
+                "nette/utils": "^3.0",
+                "php": ">=7.1"
+            },
+            "conflict": {
+                "nette/bootstrap": "<3.0"
+            },
+            "require-dev": {
+                "nette/tester": "^2.2",
+                "tracy/tracy": "^2.3"
+            },
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "3.0-dev"
+                }
+            },
+            "autoload": {
+                "classmap": [
+                    "src/"
+                ],
+                "files": [
+                    "src/compatibility.php"
+                ]
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "BSD-3-Clause",
+                "GPL-2.0",
+                "GPL-3.0"
+            ],
+            "authors": [
+                {
+                    "name": "David Grudl",
+                    "homepage": "https://davidgrudl.com"
+                },
+                {
+                    "name": "Nette Community",
+                    "homepage": "https://nette.org/contributors"
+                }
+            ],
+            "description": "💎 Nette Dependency Injection Container: Flexible, compiled and full-featured DIC with perfectly usable autowiring and support for all new PHP 7.1 features.",
+            "homepage": "https://nette.org",
+            "keywords": [
+                "compiled",
+                "di",
+                "dic",
+                "factory",
+                "ioc",
+                "nette",
+                "static"
+            ],
+            "time": "2019-04-03T19:35:46+00:00"
+        },
+        {
+            "name": "nette/finder",
+            "version": "v2.5.0",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/nette/finder.git",
+                "reference": "6be1b83ea68ac558aff189d640abe242e0306fe2"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/nette/finder/zipball/6be1b83ea68ac558aff189d640abe242e0306fe2",
+                "reference": "6be1b83ea68ac558aff189d640abe242e0306fe2",
+                "shasum": ""
+            },
+            "require": {
+                "nette/utils": "^2.4 || ~3.0.0",
+                "php": ">=7.1"
+            },
+            "conflict": {
+                "nette/nette": "<2.2"
+            },
+            "require-dev": {
+                "nette/tester": "^2.0",
+                "tracy/tracy": "^2.3"
+            },
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "2.5-dev"
+                }
+            },
+            "autoload": {
+                "classmap": [
+                    "src/"
+                ]
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "BSD-3-Clause",
+                "GPL-2.0",
+                "GPL-3.0"
+            ],
+            "authors": [
+                {
+                    "name": "David Grudl",
+                    "homepage": "https://davidgrudl.com"
+                },
+                {
+                    "name": "Nette Community",
+                    "homepage": "https://nette.org/contributors"
+                }
+            ],
+            "description": "? Nette Finder: find files and directories with an intuitive API.",
+            "homepage": "https://nette.org",
+            "keywords": [
+                "filesystem",
+                "glob",
+                "iterator",
+                "nette"
+            ],
+            "time": "2019-02-28T18:13:25+00:00"
+        },
+        {
+            "name": "nette/neon",
+            "version": "v3.0.0",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/nette/neon.git",
+                "reference": "cbff32059cbdd8720deccf9e9eace6ee516f02eb"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/nette/neon/zipball/cbff32059cbdd8720deccf9e9eace6ee516f02eb",
+                "reference": "cbff32059cbdd8720deccf9e9eace6ee516f02eb",
+                "shasum": ""
+            },
+            "require": {
+                "ext-iconv": "*",
+                "ext-json": "*",
+                "php": ">=7.0"
+            },
+            "require-dev": {
+                "nette/tester": "^2.0",
+                "tracy/tracy": "^2.3"
+            },
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "3.0-dev"
+                }
+            },
+            "autoload": {
+                "classmap": [
+                    "src/"
+                ]
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "BSD-3-Clause",
+                "GPL-2.0",
+                "GPL-3.0"
+            ],
+            "authors": [
+                {
+                    "name": "David Grudl",
+                    "homepage": "https://davidgrudl.com"
+                },
+                {
+                    "name": "Nette Community",
+                    "homepage": "https://nette.org/contributors"
+                }
+            ],
+            "description": "? Nette NEON: encodes and decodes NEON file format.",
+            "homepage": "http://ne-on.org",
+            "keywords": [
+                "export",
+                "import",
+                "neon",
+                "nette",
+                "yaml"
+            ],
+            "time": "2019-02-05T21:30:40+00:00"
+        },
+        {
+            "name": "nette/php-generator",
+            "version": "v3.2.2",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/nette/php-generator.git",
+                "reference": "acff8b136fad84b860a626d133e791f95781f9f5"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/nette/php-generator/zipball/acff8b136fad84b860a626d133e791f95781f9f5",
+                "reference": "acff8b136fad84b860a626d133e791f95781f9f5",
+                "shasum": ""
+            },
+            "require": {
+                "nette/utils": "^2.4.2 || ~3.0.0",
+                "php": ">=7.1"
+            },
+            "require-dev": {
+                "nette/tester": "^2.0",
+                "tracy/tracy": "^2.3"
+            },
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "3.2-dev"
+                }
+            },
+            "autoload": {
+                "classmap": [
+                    "src/"
+                ]
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "BSD-3-Clause",
+                "GPL-2.0",
+                "GPL-3.0"
+            ],
+            "authors": [
+                {
+                    "name": "David Grudl",
+                    "homepage": "https://davidgrudl.com"
+                },
+                {
+                    "name": "Nette Community",
+                    "homepage": "https://nette.org/contributors"
+                }
+            ],
+            "description": "🐘 Nette PHP Generator: generates neat PHP code for you. Supports new PHP 7.3 features.",
+            "homepage": "https://nette.org",
+            "keywords": [
+                "code",
+                "nette",
+                "php",
+                "scaffolding"
+            ],
+            "time": "2019-03-15T03:41:13+00:00"
+        },
+        {
+            "name": "nette/robot-loader",
+            "version": "v3.2.0",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/nette/robot-loader.git",
+                "reference": "0712a0e39ae7956d6a94c0ab6ad41aa842544b5c"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/nette/robot-loader/zipball/0712a0e39ae7956d6a94c0ab6ad41aa842544b5c",
+                "reference": "0712a0e39ae7956d6a94c0ab6ad41aa842544b5c",
+                "shasum": ""
+            },
+            "require": {
+                "ext-tokenizer": "*",
+                "nette/finder": "^2.5",
+                "nette/utils": "^3.0",
+                "php": ">=7.1"
+            },
+            "require-dev": {
+                "nette/tester": "^2.0",
+                "tracy/tracy": "^2.3"
+            },
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "3.2-dev"
+                }
+            },
+            "autoload": {
+                "classmap": [
+                    "src/"
+                ]
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "BSD-3-Clause",
+                "GPL-2.0",
+                "GPL-3.0"
+            ],
+            "authors": [
+                {
+                    "name": "David Grudl",
+                    "homepage": "https://davidgrudl.com"
+                },
+                {
+                    "name": "Nette Community",
+                    "homepage": "https://nette.org/contributors"
+                }
+            ],
+            "description": "? Nette RobotLoader: high performance and comfortable autoloader that will search and autoload classes within your application.",
+            "homepage": "https://nette.org",
+            "keywords": [
+                "autoload",
+                "class",
+                "interface",
+                "nette",
+                "trait"
+            ],
+            "time": "2019-03-08T21:57:24+00:00"
+        },
+        {
+            "name": "nette/schema",
+            "version": "v1.0.0",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/nette/schema.git",
+                "reference": "6241d8d4da39e825dd6cb5bfbe4242912f4d7e4d"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/nette/schema/zipball/6241d8d4da39e825dd6cb5bfbe4242912f4d7e4d",
+                "reference": "6241d8d4da39e825dd6cb5bfbe4242912f4d7e4d",
+                "shasum": ""
+            },
+            "require": {
+                "nette/utils": "^3.0.1",
+                "php": ">=7.1"
+            },
+            "require-dev": {
+                "nette/tester": "^2.2",
+                "tracy/tracy": "^2.3"
+            },
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "1.0-dev"
+                }
+            },
+            "autoload": {
+                "classmap": [
+                    "src/"
+                ]
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "BSD-3-Clause",
+                "GPL-2.0",
+                "GPL-3.0"
+            ],
+            "authors": [
+                {
+                    "name": "David Grudl",
+                    "homepage": "https://davidgrudl.com"
+                },
+                {
+                    "name": "Nette Community",
+                    "homepage": "https://nette.org/contributors"
+                }
+            ],
+            "description": "📐 Nette Schema: validating data structures against a given Schema.",
+            "homepage": "https://nette.org",
+            "keywords": [
+                "config",
+                "nette"
+            ],
+            "time": "2019-04-03T15:53:25+00:00"
+        },
+        {
+            "name": "nette/utils",
+            "version": "v3.0.1",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/nette/utils.git",
+                "reference": "bd961f49b211997202bda1d0fbc410905be370d4"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/nette/utils/zipball/bd961f49b211997202bda1d0fbc410905be370d4",
+                "reference": "bd961f49b211997202bda1d0fbc410905be370d4",
+                "shasum": ""
+            },
+            "require": {
+                "php": ">=7.1"
+            },
+            "require-dev": {
+                "nette/tester": "~2.0",
+                "tracy/tracy": "^2.3"
+            },
+            "suggest": {
+                "ext-gd": "to use Image",
+                "ext-iconv": "to use Strings::webalize() and toAscii()",
+                "ext-intl": "to use Strings::webalize(), toAscii(), normalize() and compare()",
+                "ext-json": "to use Nette\\Utils\\Json",
+                "ext-mbstring": "to use Strings::lower() etc...",
+                "ext-xml": "to use Strings::length() etc. when mbstring is not available"
+            },
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "3.0-dev"
+                }
+            },
+            "autoload": {
+                "classmap": [
+                    "src/"
+                ]
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "BSD-3-Clause",
+                "GPL-2.0",
+                "GPL-3.0"
+            ],
+            "authors": [
+                {
+                    "name": "David Grudl",
+                    "homepage": "https://davidgrudl.com"
+                },
+                {
+                    "name": "Nette Community",
+                    "homepage": "https://nette.org/contributors"
+                }
+            ],
+            "description": "🛠 Nette Utils: lightweight utilities for string & array manipulation, image handling, safe JSON encoding/decoding, validation, slug or strong password generating etc.",
+            "homepage": "https://nette.org",
+            "keywords": [
+                "array",
+                "core",
+                "datetime",
+                "images",
+                "json",
+                "nette",
+                "paginator",
+                "password",
+                "slugify",
+                "string",
+                "unicode",
+                "utf-8",
+                "utility",
+                "validation"
+            ],
+            "time": "2019-03-22T01:00:30+00:00"
+        },
+        {
+            "name": "nikic/php-parser",
+            "version": "v4.2.1",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/nikic/PHP-Parser.git",
+                "reference": "5221f49a608808c1e4d436df32884cbc1b821ac0"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/nikic/PHP-Parser/zipball/5221f49a608808c1e4d436df32884cbc1b821ac0",
+                "reference": "5221f49a608808c1e4d436df32884cbc1b821ac0",
+                "shasum": ""
+            },
+            "require": {
+                "ext-tokenizer": "*",
+                "php": ">=7.0"
+            },
+            "require-dev": {
+                "phpunit/phpunit": "^6.5 || ^7.0"
+            },
+            "bin": [
+                "bin/php-parse"
+            ],
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "4.2-dev"
+                }
+            },
+            "autoload": {
+                "psr-4": {
+                    "PhpParser\\": "lib/PhpParser"
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "BSD-3-Clause"
+            ],
+            "authors": [
+                {
+                    "name": "Nikita Popov"
+                }
+            ],
+            "description": "A PHP parser written in PHP",
+            "keywords": [
+                "parser",
+                "php"
+            ],
+            "time": "2019-02-16T20:54:15+00:00"
+        },
+        {
+            "name": "ocramius/package-versions",
+            "version": "1.4.0",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/Ocramius/PackageVersions.git",
+                "reference": "a4d4b60d0e60da2487bd21a2c6ac089f85570dbb"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/Ocramius/PackageVersions/zipball/a4d4b60d0e60da2487bd21a2c6ac089f85570dbb",
+                "reference": "a4d4b60d0e60da2487bd21a2c6ac089f85570dbb",
+                "shasum": ""
+            },
+            "require": {
+                "composer-plugin-api": "^1.0.0",
+                "php": "^7.1.0"
+            },
+            "require-dev": {
+                "composer/composer": "^1.6.3",
+                "doctrine/coding-standard": "^5.0.1",
+                "ext-zip": "*",
+                "infection/infection": "^0.7.1",
+                "phpunit/phpunit": "^7.0.0"
+            },
+            "type": "composer-plugin",
+            "extra": {
+                "class": "PackageVersions\\Installer",
+                "branch-alias": {
+                    "dev-master": "2.0.x-dev"
+                }
+            },
+            "autoload": {
+                "psr-4": {
+                    "PackageVersions\\": "src/PackageVersions"
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Marco Pivetta",
+                    "email": "ocramius@gmail.com"
+                }
+            ],
+            "description": "Composer plugin that provides efficient querying for installed package versions (no runtime IO)",
+            "time": "2019-02-21T12:16:21+00:00"
+        },
+        {
+            "name": "phpstan/phpdoc-parser",
+            "version": "0.3.3",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/phpstan/phpdoc-parser.git",
+                "reference": "472d3161d289f652713a5e353532fa4592663a57"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/phpstan/phpdoc-parser/zipball/472d3161d289f652713a5e353532fa4592663a57",
+                "reference": "472d3161d289f652713a5e353532fa4592663a57",
+                "shasum": ""
+            },
+            "require": {
+                "php": "~7.1"
+            },
+            "require-dev": {
+                "consistence/coding-standard": "^3.5",
+                "jakub-onderka/php-parallel-lint": "^0.9.2",
+                "phing/phing": "^2.16.0",
+                "phpstan/phpstan": "^0.10",
+                "phpunit/phpunit": "^6.3",
+                "slevomat/coding-standard": "^4.7.2",
+                "squizlabs/php_codesniffer": "^3.3.2",
+                "symfony/process": "^3.4 || ^4.0"
+            },
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "0.3-dev"
+                }
+            },
+            "autoload": {
+                "psr-4": {
+                    "PHPStan\\PhpDocParser\\": [
+                        "src/"
+                    ]
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "description": "PHPDoc parser with support for nullable, intersection and generic types",
+            "time": "2019-04-23T20:26:19+00:00"
+        },
+        {
+            "name": "phpstan/phpstan",
+            "version": "0.11.5",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/phpstan/phpstan.git",
+                "reference": "24ce5a566a798b81343138ed5d41d6877554cf9a"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/phpstan/phpstan/zipball/24ce5a566a798b81343138ed5d41d6877554cf9a",
+                "reference": "24ce5a566a798b81343138ed5d41d6877554cf9a",
+                "shasum": ""
+            },
+            "require": {
+                "composer/xdebug-handler": "^1.3.0",
+                "jean85/pretty-package-versions": "^1.0.3",
+                "nette/bootstrap": "^2.4 || ^3.0",
+                "nette/di": "^2.4.7 || ^3.0",
+                "nette/robot-loader": "^3.0.1",
+                "nette/utils": "^2.4.5 || ^3.0",
+                "nikic/php-parser": "^4.0.2",
+                "php": "~7.1",
+                "phpstan/phpdoc-parser": "^0.3",
+                "symfony/console": "~3.2 || ~4.0",
+                "symfony/finder": "~3.2 || ~4.0"
+            },
+            "conflict": {
+                "symfony/console": "3.4.16 || 4.1.5"
+            },
+            "require-dev": {
+                "brianium/paratest": "^2.0",
+                "consistence/coding-standard": "^3.5",
+                "dealerdirect/phpcodesniffer-composer-installer": "^0.4.4",
+                "ext-intl": "*",
+                "ext-mysqli": "*",
+                "ext-soap": "*",
+                "ext-zip": "*",
+                "jakub-onderka/php-parallel-lint": "^1.0",
+                "localheinz/composer-normalize": "^1.1.0",
+                "phing/phing": "^2.16.0",
+                "phpstan/phpstan-deprecation-rules": "^0.11",
+                "phpstan/phpstan-php-parser": "^0.11",
+                "phpstan/phpstan-phpunit": "^0.11",
+                "phpstan/phpstan-strict-rules": "^0.11",
+                "phpunit/phpunit": "^7.0",
+                "slevomat/coding-standard": "^4.7.2",
+                "squizlabs/php_codesniffer": "^3.3.2"
+            },
+            "bin": [
+                "bin/phpstan"
+            ],
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "0.11-dev"
+                }
+            },
+            "autoload": {
+                "psr-4": {
+                    "PHPStan\\": [
+                        "src/",
+                        "build/PHPStan"
+                    ]
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "description": "PHPStan - PHP Static Analysis Tool",
+            "time": "2019-03-25T16:40:09+00:00"
+        },
+        {
+            "name": "symfony/console",
+            "version": "v4.2.8",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/symfony/console.git",
+                "reference": "e2840bb38bddad7a0feaf85931e38fdcffdb2f81"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/symfony/console/zipball/e2840bb38bddad7a0feaf85931e38fdcffdb2f81",
+                "reference": "e2840bb38bddad7a0feaf85931e38fdcffdb2f81",
+                "shasum": ""
+            },
+            "require": {
+                "php": "^7.1.3",
+                "symfony/contracts": "^1.0",
+                "symfony/polyfill-mbstring": "~1.0"
+            },
+            "conflict": {
+                "symfony/dependency-injection": "<3.4",
+                "symfony/process": "<3.3"
+            },
+            "provide": {
+                "psr/log-implementation": "1.0"
+            },
+            "require-dev": {
+                "psr/log": "~1.0",
+                "symfony/config": "~3.4|~4.0",
+                "symfony/dependency-injection": "~3.4|~4.0",
+                "symfony/event-dispatcher": "~3.4|~4.0",
+                "symfony/lock": "~3.4|~4.0",
+                "symfony/process": "~3.4|~4.0"
+            },
+            "suggest": {
+                "psr/log": "For using the console logger",
+                "symfony/event-dispatcher": "",
+                "symfony/lock": "",
+                "symfony/process": ""
+            },
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "4.2-dev"
+                }
+            },
+            "autoload": {
+                "psr-4": {
+                    "Symfony\\Component\\Console\\": ""
+                },
+                "exclude-from-classmap": [
+                    "/Tests/"
+                ]
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Fabien Potencier",
+                    "email": "fabien@symfony.com"
+                },
+                {
+                    "name": "Symfony Community",
+                    "homepage": "https://symfony.com/contributors"
+                }
+            ],
+            "description": "Symfony Console Component",
+            "homepage": "https://symfony.com",
+            "time": "2019-04-08T14:23:48+00:00"
+        },
+        {
+            "name": "symfony/contracts",
+            "version": "v1.0.2",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/symfony/contracts.git",
+                "reference": "1aa7ab2429c3d594dd70689604b5cf7421254cdf"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/symfony/contracts/zipball/1aa7ab2429c3d594dd70689604b5cf7421254cdf",
+                "reference": "1aa7ab2429c3d594dd70689604b5cf7421254cdf",
+                "shasum": ""
+            },
+            "require": {
+                "php": "^7.1.3"
+            },
+            "require-dev": {
+                "psr/cache": "^1.0",
+                "psr/container": "^1.0"
+            },
+            "suggest": {
+                "psr/cache": "When using the Cache contracts",
+                "psr/container": "When using the Service contracts",
+                "symfony/cache-contracts-implementation": "",
+                "symfony/service-contracts-implementation": "",
+                "symfony/translation-contracts-implementation": ""
+            },
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "1.0-dev"
+                }
+            },
+            "autoload": {
+                "psr-4": {
+                    "Symfony\\Contracts\\": ""
+                },
+                "exclude-from-classmap": [
+                    "**/Tests/"
+                ]
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Nicolas Grekas",
+                    "email": "p@tchwork.com"
+                },
+                {
+                    "name": "Symfony Community",
+                    "homepage": "https://symfony.com/contributors"
+                }
+            ],
+            "description": "A set of abstractions extracted out of the Symfony components",
+            "homepage": "https://symfony.com",
+            "keywords": [
+                "abstractions",
+                "contracts",
+                "decoupling",
+                "interfaces",
+                "interoperability",
+                "standards"
+            ],
+            "time": "2018-12-05T08:06:11+00:00"
+        },
+        {
+            "name": "symfony/finder",
+            "version": "v4.2.8",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/symfony/finder.git",
+                "reference": "e45135658bd6c14b61850bf131c4f09a55133f69"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/symfony/finder/zipball/e45135658bd6c14b61850bf131c4f09a55133f69",
+                "reference": "e45135658bd6c14b61850bf131c4f09a55133f69",
+                "shasum": ""
+            },
+            "require": {
+                "php": "^7.1.3"
+            },
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "4.2-dev"
+                }
+            },
+            "autoload": {
+                "psr-4": {
+                    "Symfony\\Component\\Finder\\": ""
+                },
+                "exclude-from-classmap": [
+                    "/Tests/"
+                ]
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Fabien Potencier",
+                    "email": "fabien@symfony.com"
+                },
+                {
+                    "name": "Symfony Community",
+                    "homepage": "https://symfony.com/contributors"
+                }
+            ],
+            "description": "Symfony Finder Component",
+            "homepage": "https://symfony.com",
+            "time": "2019-04-06T13:51:08+00:00"
         }
     ],
-    "packages-dev": [],
     "aliases": [],
     "minimum-stability": "stable",
     "stability-flags": [],

index.php

@@ -1,9 +1,9 @@
 <?php
+(PHP_MAJOR_VERSION >= 7 && PHP_MINOR_VERSION >= 1) ?: die('Sorry, PHP >=7.1 is required to run XBackBone.');
 require __DIR__ . '/vendor/autoload.php';
 
 define('BASE_DIR', __DIR__ . DIRECTORY_SEPARATOR);
 define('PLATFORM_VERSION', json_decode(file_get_contents('composer.json'))->version);
 
-require 'bootstrap/app.php';
-
+$app = require_once __DIR__ . '/bootstrap/app.php';
 $app->run();

install/index.php

@@ -1,12 +1,16 @@
 <?php
+(PHP_MAJOR_VERSION >= 7 && PHP_MINOR_VERSION >= 1) ?: die('Sorry, PHP >=7.1 is required to run XBackBone.');
 require __DIR__ . '/../vendor/autoload.php';
 
 use App\Database\DB;
 use App\Web\Session;
 use Slim\App;
 use Slim\Container;
+use Slim\Http\Environment;
 use Slim\Http\Request;
 use Slim\Http\Response;
+use Slim\Http\Uri;
+use Slim\Views\Twig;
 
 define('PLATFORM_VERSION', json_decode(file_get_contents(__DIR__ . '/../composer.json'))->version);
 
@@ -29,7 +33,7 @@ $container['session'] = function ($container) {
 };
 
 $container['view'] = function ($container) use (&$config) {
-	$view = new \Slim\Views\Twig([__DIR__ . '/templates', __DIR__ . '/../resources/templates'], [
+	$view = new Twig([__DIR__ . '/templates', __DIR__ . '/../resources/templates'], [
 		'cache' => false,
 		'autoescape' => 'html',
 		'debug' => $config['displayErrorDetails'],
@@ -38,7 +42,7 @@ $container['view'] = function ($container) use (&$config) {
 
 	// Instantiate and add Slim specific extension
 	$router = $container->get('router');
-	$uri = \Slim\Http\Uri::createFromEnvironment(new \Slim\Http\Environment($_SERVER));
+	$uri = Uri::createFromEnvironment(new Environment($_SERVER));
 	$view->addExtension(new Slim\Views\TwigExtension($router, $uri));
 
 	$view->getEnvironment()->addGlobal('config', $config);

package.json

@@ -1,22 +1,22 @@
 {
   "dependencies": {
-    "@fortawesome/fontawesome-free": "^5.7.2",
+    "@fortawesome/fontawesome-free": "^5.8.1",
     "bootstrap": "^4.3.1",
     "clipboard": "^2.0.4",
     "highlightjs": "^9.12.0",
-    "jquery": "^3.3.1",
-    "popper.js": "^1.14.7",
-    "tooltip.js": "^1.3.1",
-    "video.js": "^7.4.2"
+    "jquery": "^3.4.1",
+    "popper.js": "^1.15.0",
+    "tooltip.js": "^1.3.2",
+    "video.js": "^7.5.4"
   },
   "devDependencies": {
-    "grunt": "^1.0",
+    "grunt": "^1.0.4",
     "grunt-contrib-copy": "^1.0.0",
     "grunt-contrib-cssmin": "^3.0.0",
-    "grunt-contrib-jshint": "^2.0.0",
-    "grunt-contrib-uglify": "^4.0.0",
+    "grunt-contrib-jshint": "^2.1.0",
+    "grunt-contrib-uglify": "^4.0.1",
     "grunt-contrib-watch": "^1.1.0",
-    "grunt-zip": "^0.18.1",
+    "grunt-zip": "^0.18.2",
     "load-grunt-tasks": "^4.0.0"
   }
 }