Support Symfony 4.4 and 5.x

.gitignore

@@ -1,3 +1,4 @@
 vendor
 bin/phpspec
 bin/php-cs-fixer
+composer.lock

.travis.yml

@@ -4,11 +4,13 @@ language: php
 #sudo: false
 
 php:
-  - '7.1'
+  - '7.2'
+  - '7.3'
+  - '7.4'
 
 cache:
-    directories:
-        - vendor
+  directories:
+    - $HOME/.composer/cache
 
 before_script:
   - composer self-update

README.md

@@ -17,7 +17,7 @@ At the moment, 3 types of rules are supported:
 
 ## Requirements
 
-PHP needs to be a minimum version of PHP 7.1
+PHP needs to be a minimum version of PHP 7.2
 
 ## Installation
 

composer.json

@@ -13,16 +13,16 @@
         }
     ],
     "require": {
-        "php": "^7.1",
+        "php": "^7.2",
         "friendsofphp/php-cs-fixer": "^2.1",
-        "symfony/event-dispatcher": "^3.0||^4.0",
-        "symfony/finder": "^3.0||^4.0",
-        "symfony/console": "^3.0||^4.0",
-        "symfony/filesystem": "^3.0||^4.0"
+        "symfony/event-dispatcher": "^4.4||^5.0",
+        "symfony/finder": "^4.4||^5.0",
+        "symfony/console": "^4.4||^5.0",
+        "symfony/filesystem": "^4.4||^5.0"
     },
     "require-dev": {
-        "phpspec/phpspec": "^3.0||^4.0",
-        "phpstan/phpstan": "^0.10.2"
+        "phpspec/phpspec": "^6.0",
+        "phpstan/phpstan": "^0.12.0"
     },
     "autoload": {
         "psr-4": {