Min PHP version: 7.4, min Symfony version: 5.3, allows Symfony 6

.travis.yml

@@ -16,14 +16,14 @@ env:
 matrix:
     fast_finish: true
     include:
-        - php: 7.1
+        - php: 7.4
           env: CHECK_PHP_SYNTAX="true"
                COMPOSER_FLAGS="--prefer-stable --prefer-lowest" SYMFONY_DEPRECATIONS_HELPER=weak
-               TWIG_VERSION="^2.4"
+               TWIG_VERSION="^3.3"
 
-        - php: 7.3
+        - php: 8.1
           env: COMPOSER_FLAGS="--prefer-stable --prefer-lowest" SYMFONY_DEPRECATIONS_HELPER=weak
-               TWIG_VERSION="^2.4"
+               TWIG_VERSION="^3.3"
                ENABLE_CODE_COVERAGE="true"
 
           # Latest commit to master
@@ -36,12 +36,12 @@ matrix:
 before_install:
     - phpenv config-rm xdebug.ini || true
     - if [[ "$CHECK_PHP_SYNTAX" == "true" ]]; then wget https://cs.symfony.com/download/php-cs-fixer-v2.phar -O php-cs-fixer; fi
-    - phpenv global 7.3; composer global require --prefer-dist --no-progress --no-scripts --no-plugins symfony/flex dev-master; phpenv global $TRAVIS_PHP_VERSION
+    - phpenv global 7.4; composer global require --prefer-dist --no-progress --no-scripts --no-plugins symfony/flex dev-master; phpenv global $TRAVIS_PHP_VERSION
     - if [[ "$ENABLE_CODE_COVERAGE" != "true" && "$TRAVIS_EVENT_TYPE" != "cron" ]]; then rm -f ~/.phpenv/versions/$(phpenv version-name)/etc/conf.d/xdebug.ini; fi;
 
 install:
     - composer update $COMPOSER_FLAGS --no-interaction
-    - phpenv global 7.3; ./vendor/bin/simple-phpunit install; phpenv global $TRAVIS_PHP_VERSION
+    - phpenv global 7.4; ./vendor/bin/simple-phpunit install; phpenv global $TRAVIS_PHP_VERSION
     - if [[ "$ENABLE_CODE_COVERAGE" == "true" ]]; then composer require --dev php-coveralls/php-coveralls; fi
 
 script:

composer.json

@@ -12,43 +12,43 @@
         }
     ],
     "require": {
-        "php": "^7.1.3|^8.0",
+        "php": "^7.4|^8.0",
         "doctrine/collections": "^1.5",
         "doctrine/common": "^2.11|^3.0",
         "doctrine/dbal": "^2.10|^3.0",
         "doctrine/doctrine-bundle": "^1.8|^2.0",
         "doctrine/orm": "^2.7",
         "doctrine/persistence": "^1.3|^2",
         "easycorp/easyadmin-bundle": "^2.3.4",
-        "symfony/config": "^4.4|^5.0",
-        "symfony/dependency-injection": "^4.4|^5.0",
-        "symfony/event-dispatcher": "^4.4|^5.0",
-        "symfony/form": "^4.4|^5.0",
-        "symfony/framework-bundle": "^4.4|^5.0",
-        "symfony/http-foundation": "^4.4|^5.0.7",
-        "symfony/http-kernel": "^4.4|^5.0",
-        "symfony/property-access": "^4.4|^5.0",
-        "symfony/validator": "^4.4|^5.0",
-        "twig/twig": "^2.11.3|^3.0"
+        "symfony/config": "^5.3|^6.0",
+        "symfony/dependency-injection": "^5.3|^6.0",
+        "symfony/event-dispatcher": "^5.3|^6.0",
+        "symfony/form": "^5.3|^6.0",
+        "symfony/framework-bundle": "^5.3|^6.0",
+        "symfony/http-foundation": "^5.3|^6.0.7",
+        "symfony/http-kernel": "^5.3|^6.0",
+        "symfony/property-access": "^5.3|^6.0",
+        "symfony/validator": "^5.3|^6.0",
+        "twig/twig": "^3.3.8"
     },
     "require-dev": {
         "doctrine/data-fixtures": "^1.3",
         "doctrine/doctrine-fixtures-bundle": "^3.0",
         "friendsofphp/php-cs-fixer": "^2.11",
         "php-coveralls/php-coveralls": "^2.0",
-        "phpstan/phpstan": "^0.12",
+        "phpstan/phpstan": "^1.0",
         "psr/log": "~1.0",
-        "symfony/browser-kit": "^4.4|^5.0",
-        "symfony/console": "^4.4|^5.0",
-        "symfony/css-selector": "^4.4|^5.0",
-        "symfony/dom-crawler": "^4.4|^5.0",
+        "symfony/browser-kit": "^5.3|^6.0",
+        "symfony/console": "^5.3|^6.0",
+        "symfony/css-selector": "^5.3|^6.0",
+        "symfony/dom-crawler": "^5.3|^6.0",
         "symfony/phpunit-bridge": "^4.3.5|^5.0",
         "symfony/polyfill-mbstring": "^1.7",
-        "symfony/security-bundle": "^4.4|^5.0",
+        "symfony/security-bundle": "^5.3|^6.0",
         "symfony/thanks": "^1.2.10",
-        "symfony/twig-bundle": "^4.4|^5.0",
-        "symfony/var-dumper": "^4.4|^5.0",
-        "symfony/yaml": "^4.4|^5.0"
+        "symfony/twig-bundle": "^5.3|^6.0",
+        "symfony/var-dumper": "^5.3|^6.0",
+        "symfony/yaml": "^5.3|^6.0"
     },
     "conflict": {
         "easycorp/easyadmin-bundle": "<2.2.2"
@@ -72,7 +72,7 @@
     },
     "extra": {
         "branch-alias": {
-            "dev-master": "3.0.x-dev"
+            "dev-master": "3.2.x-dev"
         }
     }
 }

docker-compose.yml.dist

@@ -1,4 +1,4 @@
-version: '3.2'
+version: '3.9'
 
 services:
 

docker/phpunit/Dockerfile

@@ -1,4 +1,4 @@
-FROM php:7.1
+FROM php:7.4
 
 RUN apt-get update && \
     apt-get install -y --no-install-recommends git zip