Installed twig with composer require twig command.

composer.json

@@ -13,7 +13,10 @@
         "symfony/flex": "^2",
         "symfony/framework-bundle": "7.1.*",
         "symfony/runtime": "7.1.*",
-        "symfony/yaml": "7.1.*"
+        "symfony/twig-bundle": "7.1.*",
+        "symfony/yaml": "7.1.*",
+        "twig/extra-bundle": "^2.12|^3.0",
+        "twig/twig": "^2.12|^3.0"
     },
     "config": {
         "allow-plugins": {

composer.lock

@@ -4,7 +4,7 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
         "This file is @generated automatically"
     ],
-    "content-hash": "6f438d4470aff3ca26ab7be26faa0b50",
+    "content-hash": "c60616798d6338046d3bd0cbc40dfe73",
     "packages": [
         {
             "name": "php-cs-fixer/shim",
@@ -2234,6 +2234,277 @@
             ],
             "time": "2024-09-20T08:28:38+00:00"
         },
+        {
+            "name": "symfony/translation-contracts",
+            "version": "v3.5.0",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/symfony/translation-contracts.git",
+                "reference": "b9d2189887bb6b2e0367a9fc7136c5239ab9b05a"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/symfony/translation-contracts/zipball/b9d2189887bb6b2e0367a9fc7136c5239ab9b05a",
+                "reference": "b9d2189887bb6b2e0367a9fc7136c5239ab9b05a",
+                "shasum": ""
+            },
+            "require": {
+                "php": ">=8.1"
+            },
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-main": "3.5-dev"
+                },
+                "thanks": {
+                    "name": "symfony/contracts",
+                    "url": "https://github.com/symfony/contracts"
+                }
+            },
+            "autoload": {
+                "psr-4": {
+                    "Symfony\\Contracts\\Translation\\": ""
+                },
+                "exclude-from-classmap": [
+                    "/Test/"
+                ]
+            },
+            "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": "Generic abstractions related to translation",
+            "homepage": "https://symfony.com",
+            "keywords": [
+                "abstractions",
+                "contracts",
+                "decoupling",
+                "interfaces",
+                "interoperability",
+                "standards"
+            ],
+            "support": {
+                "source": "https://github.com/symfony/translation-contracts/tree/v3.5.0"
+            },
+            "funding": [
+                {
+                    "url": "https://symfony.com/sponsor",
+                    "type": "custom"
+                },
+                {
+                    "url": "https://github.com/fabpot",
+                    "type": "github"
+                },
+                {
+                    "url": "https://tidelift.com/funding/github/packagist/symfony/symfony",
+                    "type": "tidelift"
+                }
+            ],
+            "time": "2024-04-18T09:32:20+00:00"
+        },
+        {
+            "name": "symfony/twig-bridge",
+            "version": "v7.1.5",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/symfony/twig-bridge.git",
+                "reference": "e997e5025b53c0f7b17632802daefdd6a04540ae"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/symfony/twig-bridge/zipball/e997e5025b53c0f7b17632802daefdd6a04540ae",
+                "reference": "e997e5025b53c0f7b17632802daefdd6a04540ae",
+                "shasum": ""
+            },
+            "require": {
+                "php": ">=8.2",
+                "symfony/translation-contracts": "^2.5|^3",
+                "twig/twig": "^3.9"
+            },
+            "conflict": {
+                "phpdocumentor/reflection-docblock": "<3.2.2",
+                "phpdocumentor/type-resolver": "<1.4.0",
+                "symfony/console": "<6.4",
+                "symfony/form": "<6.4",
+                "symfony/http-foundation": "<6.4",
+                "symfony/http-kernel": "<6.4",
+                "symfony/mime": "<6.4",
+                "symfony/serializer": "<6.4",
+                "symfony/translation": "<6.4",
+                "symfony/workflow": "<6.4"
+            },
+            "require-dev": {
+                "egulias/email-validator": "^2.1.10|^3|^4",
+                "league/html-to-markdown": "^5.0",
+                "phpdocumentor/reflection-docblock": "^3.0|^4.0|^5.0",
+                "symfony/asset": "^6.4|^7.0",
+                "symfony/asset-mapper": "^6.4|^7.0",
+                "symfony/console": "^6.4|^7.0",
+                "symfony/dependency-injection": "^6.4|^7.0",
+                "symfony/emoji": "^7.1",
+                "symfony/expression-language": "^6.4|^7.0",
+                "symfony/finder": "^6.4|^7.0",
+                "symfony/form": "^6.4|^7.0",
+                "symfony/html-sanitizer": "^6.4|^7.0",
+                "symfony/http-foundation": "^6.4|^7.0",
+                "symfony/http-kernel": "^6.4|^7.0",
+                "symfony/intl": "^6.4|^7.0",
+                "symfony/mime": "^6.4|^7.0",
+                "symfony/polyfill-intl-icu": "~1.0",
+                "symfony/property-info": "^6.4|^7.0",
+                "symfony/routing": "^6.4|^7.0",
+                "symfony/security-acl": "^2.8|^3.0",
+                "symfony/security-core": "^6.4|^7.0",
+                "symfony/security-csrf": "^6.4|^7.0",
+                "symfony/security-http": "^6.4|^7.0",
+                "symfony/serializer": "^6.4.3|^7.0.3",
+                "symfony/stopwatch": "^6.4|^7.0",
+                "symfony/translation": "^6.4|^7.0",
+                "symfony/web-link": "^6.4|^7.0",
+                "symfony/workflow": "^6.4|^7.0",
+                "symfony/yaml": "^6.4|^7.0",
+                "twig/cssinliner-extra": "^2.12|^3",
+                "twig/inky-extra": "^2.12|^3",
+                "twig/markdown-extra": "^2.12|^3"
+            },
+            "type": "symfony-bridge",
+            "autoload": {
+                "psr-4": {
+                    "Symfony\\Bridge\\Twig\\": ""
+                },
+                "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": "Provides integration for Twig with various Symfony components",
+            "homepage": "https://symfony.com",
+            "support": {
+                "source": "https://github.com/symfony/twig-bridge/tree/v7.1.5"
+            },
+            "funding": [
+                {
+                    "url": "https://symfony.com/sponsor",
+                    "type": "custom"
+                },
+                {
+                    "url": "https://github.com/fabpot",
+                    "type": "github"
+                },
+                {
+                    "url": "https://tidelift.com/funding/github/packagist/symfony/symfony",
+                    "type": "tidelift"
+                }
+            ],
+            "time": "2024-09-15T06:48:17+00:00"
+        },
+        {
+            "name": "symfony/twig-bundle",
+            "version": "v7.1.5",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/symfony/twig-bundle.git",
+                "reference": "4e6afd0dc8396f16861b682f3b854ff6e24bfb7e"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/symfony/twig-bundle/zipball/4e6afd0dc8396f16861b682f3b854ff6e24bfb7e",
+                "reference": "4e6afd0dc8396f16861b682f3b854ff6e24bfb7e",
+                "shasum": ""
+            },
+            "require": {
+                "composer-runtime-api": ">=2.1",
+                "php": ">=8.2",
+                "symfony/config": "^6.4|^7.0",
+                "symfony/dependency-injection": "^6.4|^7.0",
+                "symfony/http-foundation": "^6.4|^7.0",
+                "symfony/http-kernel": "^6.4|^7.0",
+                "symfony/twig-bridge": "^6.4|^7.0",
+                "twig/twig": "^3.0.4"
+            },
+            "conflict": {
+                "symfony/framework-bundle": "<6.4",
+                "symfony/translation": "<6.4"
+            },
+            "require-dev": {
+                "symfony/asset": "^6.4|^7.0",
+                "symfony/expression-language": "^6.4|^7.0",
+                "symfony/finder": "^6.4|^7.0",
+                "symfony/form": "^6.4|^7.0",
+                "symfony/framework-bundle": "^6.4|^7.0",
+                "symfony/routing": "^6.4|^7.0",
+                "symfony/stopwatch": "^6.4|^7.0",
+                "symfony/translation": "^6.4|^7.0",
+                "symfony/web-link": "^6.4|^7.0",
+                "symfony/yaml": "^6.4|^7.0"
+            },
+            "type": "symfony-bundle",
+            "autoload": {
+                "psr-4": {
+                    "Symfony\\Bundle\\TwigBundle\\": ""
+                },
+                "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": "Provides a tight integration of Twig into the Symfony full-stack framework",
+            "homepage": "https://symfony.com",
+            "support": {
+                "source": "https://github.com/symfony/twig-bundle/tree/v7.1.5"
+            },
+            "funding": [
+                {
+                    "url": "https://symfony.com/sponsor",
+                    "type": "custom"
+                },
+                {
+                    "url": "https://github.com/fabpot",
+                    "type": "github"
+                },
+                {
+                    "url": "https://tidelift.com/funding/github/packagist/symfony/symfony",
+                    "type": "tidelift"
+                }
+            ],
+            "time": "2024-09-08T12:32:26+00:00"
+        },
         {
             "name": "symfony/var-dumper",
             "version": "v7.1.5",
@@ -2463,6 +2734,159 @@
                 }
             ],
             "time": "2024-09-17T12:49:58+00:00"
+        },
+        {
+            "name": "twig/extra-bundle",
+            "version": "v3.13.0",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/twigphp/twig-extra-bundle.git",
+                "reference": "21a9a7aa9f79d4493bb6fed4eb2794339f9551f5"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/twigphp/twig-extra-bundle/zipball/21a9a7aa9f79d4493bb6fed4eb2794339f9551f5",
+                "reference": "21a9a7aa9f79d4493bb6fed4eb2794339f9551f5",
+                "shasum": ""
+            },
+            "require": {
+                "php": ">=8.0.2",
+                "symfony/framework-bundle": "^5.4|^6.4|^7.0",
+                "symfony/twig-bundle": "^5.4|^6.4|^7.0",
+                "twig/twig": "^3.0|^4.0"
+            },
+            "require-dev": {
+                "league/commonmark": "^1.0|^2.0",
+                "symfony/phpunit-bridge": "^6.4|^7.0",
+                "twig/cache-extra": "^3.0",
+                "twig/cssinliner-extra": "^3.0",
+                "twig/html-extra": "^3.0",
+                "twig/inky-extra": "^3.0",
+                "twig/intl-extra": "^3.0",
+                "twig/markdown-extra": "^3.0",
+                "twig/string-extra": "^3.0"
+            },
+            "type": "symfony-bundle",
+            "autoload": {
+                "psr-4": {
+                    "Twig\\Extra\\TwigExtraBundle\\": ""
+                },
+                "exclude-from-classmap": [
+                    "/Tests/"
+                ]
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Fabien Potencier",
+                    "email": "fabien@symfony.com",
+                    "homepage": "http://fabien.potencier.org",
+                    "role": "Lead Developer"
+                }
+            ],
+            "description": "A Symfony bundle for extra Twig extensions",
+            "homepage": "https://twig.symfony.com",
+            "keywords": [
+                "bundle",
+                "extra",
+                "twig"
+            ],
+            "support": {
+                "source": "https://github.com/twigphp/twig-extra-bundle/tree/v3.13.0"
+            },
+            "funding": [
+                {
+                    "url": "https://github.com/fabpot",
+                    "type": "github"
+                },
+                {
+                    "url": "https://tidelift.com/funding/github/packagist/twig/twig",
+                    "type": "tidelift"
+                }
+            ],
+            "time": "2024-09-01T20:39:12+00:00"
+        },
+        {
+            "name": "twig/twig",
+            "version": "v3.14.0",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/twigphp/Twig.git",
+                "reference": "126b2c97818dbff0cdf3fbfc881aedb3d40aae72"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/twigphp/Twig/zipball/126b2c97818dbff0cdf3fbfc881aedb3d40aae72",
+                "reference": "126b2c97818dbff0cdf3fbfc881aedb3d40aae72",
+                "shasum": ""
+            },
+            "require": {
+                "php": ">=8.0.2",
+                "symfony/deprecation-contracts": "^2.5|^3",
+                "symfony/polyfill-ctype": "^1.8",
+                "symfony/polyfill-mbstring": "^1.3",
+                "symfony/polyfill-php81": "^1.29"
+            },
+            "require-dev": {
+                "psr/container": "^1.0|^2.0",
+                "symfony/phpunit-bridge": "^5.4.9|^6.4|^7.0"
+            },
+            "type": "library",
+            "autoload": {
+                "files": [
+                    "src/Resources/core.php",
+                    "src/Resources/debug.php",
+                    "src/Resources/escaper.php",
+                    "src/Resources/string_loader.php"
+                ],
+                "psr-4": {
+                    "Twig\\": "src/"
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "BSD-3-Clause"
+            ],
+            "authors": [
+                {
+                    "name": "Fabien Potencier",
+                    "email": "fabien@symfony.com",
+                    "homepage": "http://fabien.potencier.org",
+                    "role": "Lead Developer"
+                },
+                {
+                    "name": "Twig Team",
+                    "role": "Contributors"
+                },
+                {
+                    "name": "Armin Ronacher",
+                    "email": "armin.ronacher@active-4.com",
+                    "role": "Project Founder"
+                }
+            ],
+            "description": "Twig, the flexible, fast, and secure template language for PHP",
+            "homepage": "https://twig.symfony.com",
+            "keywords": [
+                "templating"
+            ],
+            "support": {
+                "issues": "https://github.com/twigphp/Twig/issues",
+                "source": "https://github.com/twigphp/Twig/tree/v3.14.0"
+            },
+            "funding": [
+                {
+                    "url": "https://github.com/fabpot",
+                    "type": "github"
+                },
+                {
+                    "url": "https://tidelift.com/funding/github/packagist/twig/twig",
+                    "type": "tidelift"
+                }
+            ],
+            "time": "2024-09-09T17:55:12+00:00"
         }
     ],
     "packages-dev": [],

config/bundles.php

@@ -2,4 +2,6 @@
 
 return [
     Symfony\Bundle\FrameworkBundle\FrameworkBundle::class => ['all' => true],
+    Symfony\Bundle\TwigBundle\TwigBundle::class => ['all' => true],
+    Twig\Extra\TwigExtraBundle\TwigExtraBundle::class => ['all' => true],
 ];

config/packages/twig.yaml

@@ -0,0 +1,6 @@
+twig:
+    file_name_pattern: '*.twig'
+
+when@test:
+    twig:
+        strict_variables: true

src/Controller/MainController.php

@@ -2,14 +2,15 @@
 
 namespace App\Controller;
 
+use Symfony\Bundle\FrameworkBundle\Controller\AbstractController;
 use Symfony\Component\HttpFoundation\Response;
 use Symfony\Component\Routing\Attribute\Route;
 
-class MainController
+class MainController extends AbstractController
 {
     #[Route('/', name: 'main')]
     public function homepage(): Response
     {
-        return new Response('Hello World!');
+        return $this->render('main/homepage.html.twig', ['variable' => random_int(0, 1e10)]);
     }
 }

symfony.lock

@@ -66,5 +66,21 @@
             "config/packages/routing.yaml",
             "config/routes.yaml"
         ]
+    },
+    "symfony/twig-bundle": {
+        "version": "7.1",
+        "recipe": {
+            "repo": "github.com/symfony/recipes",
+            "branch": "main",
+            "version": "6.4",
+            "ref": "cab5fd2a13a45c266d45a7d9337e28dee6272877"
+        },
+        "files": [
+            "config/packages/twig.yaml",
+            "templates/base.html.twig"
+        ]
+    },
+    "twig/extra-bundle": {
+        "version": "v3.13.0"
     }
 }