Add php8.0 to composer.json (#430)

Add php8.0 to composer.json

Author: Glancu

.travis.yml

@@ -16,6 +16,7 @@ php:
     - 7.2
     - 7.3
     - 7.4
+    - nightly
 
 matrix:
     include:
@@ -32,22 +33,27 @@ matrix:
           env:
               - SYMFONY_VERSION=5.0.*
               - COMPOSER_FLAGS="--prefer-stable"
-              - DEPENDENCIES=beta
+              - DEPENDENCIES='beta'
         - php: 7.4
           env: DEPENDENCIES='dev'
+        - php: nightly
+          env: DEPENDENCIES='dev'
 
 before_install:
-    - if [ "$DEPENDENCIES" == "dev" ]; then composer config minimum-stability dev; fi;
+    - if [ "$DEPENDENCIES" = "dev" ]; then perl -pi -e 's/^}$/,"minimum-stability":"dev"}/' composer.json; fi;
+    - if [[ $TRAVIS_PHP_VERSION == 'nightly' ]]; then composer config platform.php 7.4.99; composer config minimum-stability dev; composer remove symfony/phpunit-bridge; composer require phpunit/php-code-coverage:^9.0; composer require phpunit/phpunit:^9.3; fi;
     - if [ "$DEPENDENCIES" == "beta" ]; then perl -pi -e 's/^}$/,"minimum-stability":"beta"}/' composer.json; fi;
     - |
         if [ "$SYMFONY_VERSION" != "" ]; then
             sed -ri 's/"symfony\/(.+)": "(.+)"/"symfony\/\1": "'$SYMFONY_VERSION'"/' composer.json;
         fi;
 
 install:
-    - composer update $COMPOSER_FLAGS --prefer-dist
-    - ./vendor/bin/simple-phpunit install
+    - composer update $COMPOSER_FLAGS
+    - if [[ $TRAVIS_PHP_VERSION != 'nightly' ]]; then ./vendor/bin/simple-phpunit install; fi;
+    - if [[ $TRAVIS_PHP_VERSION == 'nightly' ]]; then ./vendor/bin/phpunit; fi;
 
 script:
     - composer validate --strict --no-check-lock
-    - ./vendor/bin/simple-phpunit -v
+    - if [[ $TRAVIS_PHP_VERSION != 'nightly' ]]; then php ./vendor/bin/simple-phpunit; fi;
+    - if [[ $TRAVIS_PHP_VERSION == 'nightly' ]]; then ./vendor/bin/phpunit; fi;

composer.json

@@ -19,8 +19,8 @@
         }
     ],
     "require": {
-        "php": "^7.2",
-        "knplabs/knp-menu": "^3.0",
+        "php": "^7.2 || ^8.0",
+        "knplabs/knp-menu": "^3.2@dev",
         "symfony/framework-bundle": "^3.4 | ^4.2 | ^5.0"
     },
     "require-dev": {