minor #29 Use modern php versions (vkhramtsov)

This PR was merged into the 1.0-dev branch.

Discussion
----------

| Q             | A
| ------------- | ---
| Bug fix?      | no
| New feature?  | no
| BC breaks?    | yes
| Deprecations? | no
| Tests pass?   | yes
| Fixed tickets | #28 
| License       | MIT


Commits
-------

a0a28e0 Use modern php versions
e4a9bf8 Update phpunit version
a0979b4 Remove symfony 2 requirement. Update php-cs-fixer
051f440 Do not add \ to native functions
c6083e5 Fix php-cs-fixer rules. Use higher versions of dependencies
cef6ec5 Add build with non modified deps
674bf19 Change build matrix

Author: sstok

.php_cs

@@ -10,7 +10,7 @@ with this source code in the file LICENSE.
 EOF;
 
 return PhpCsFixer\Config::create()
-    ->setRules(array(
+    ->setRules([
         '@Symfony' => true,
         '@Symfony:risky' => true,
         'array_syntax' => ['syntax' => 'short'],
@@ -19,8 +19,13 @@ return PhpCsFixer\Config::create()
         'header_comment' => ['header' => $header],
         'heredoc_to_nowdoc' => false,
         'phpdoc_annotation_without_dot' => false,
-        'yoda_style' => false
-    ))
+        'yoda_style' => false,
+        'native_function_invocation' => false,
+        'phpdoc_types_order' => [
+            'null_adjustment' => 'none',
+            'sort_algorithm' => 'none',
+        ],
+    ])
     ->setRiskyAllowed(true)
     ->setFinder(
         PhpCsFixer\Finder::create()

.travis.yml

@@ -2,13 +2,14 @@ language: php
 
 matrix:
     include:
-        - php: 5.6
-        - php: 7.0
-          env: lint=1
-        - php: 7.1
-          env: DEPENDENCIES='dev' lint=1
         - php: 7.1
+        - php: 7.2
+          env: DEPENDENCIES='dev'
+        - php: 7.2
           env: DEPENDENCIES='low'
+        - php: 7.2
+        - php: 7.3
+          env: lint=1
     fast_finish: true
 
 sudo: false
@@ -20,7 +21,7 @@ cache:
 before_install:
     - phpenv config-rm xdebug.ini || echo "xdebug not available"
     - echo "memory_limit=-1" >> ~/.phpenv/versions/$(phpenv version-name)/etc/conf.d/travis.ini
-    - if [[ $lint = 1 ]]; then wget https://github.com/FriendsOfPHP/PHP-CS-Fixer/releases/download/v2.6.0/php-cs-fixer.phar; fi
+    - if [[ $lint = 1 ]]; then wget https://github.com/FriendsOfPHP/PHP-CS-Fixer/releases/download/v2.14.2/php-cs-fixer.phar; fi
     - if [[ $lint = 1 ]]; then composer global require --dev 'phpstan/phpstan:^0.8'; fi
     - export PATH="$PATH:$HOME/.composer/vendor/bin"
 
@@ -30,7 +31,7 @@ install:
     - if [ "$DEPENDENCIES" == "low" ]; then composer update --prefer-dist --no-progress --no-suggest --ansi --prefer-lowest; fi;
 
 script:
-    - export SYMFONY_PHPUNIT_VERSION=5.7.1
+    - export SYMFONY_PHPUNIT_VERSION=7.5.6
     - export SYMFONY_PHPUNIT_REMOVE="symfony/yaml"
     - export SYMFONY_DEPRECATIONS_HELPER=strict
     - vendor/bin/simple-phpunit --verbose

composer.json

@@ -19,17 +19,17 @@
         }
     ],
     "require": {
-        "php": "^5.6 || ^7.0",
+        "php": "^7.1",
         "psr/container": "^1.0",
         "psr/log": "^1.0",
         "symfony/polyfill-mbstring": "^1.5.0",
-        "symfony/translation": "^2.8.9 || ^3.3.6 | ^4.0",
-        "symfony/validator": "^2.8.9 || ^3.3.6 || ^4.0"
+        "symfony/translation": "^3.4.22 || ^4.0",
+        "symfony/validator": "^3.4.22 || ^4.0"
     },
     "require-dev": {
-        "symfony/config": "^3.3.6 || ^4.0",
-        "symfony/console": "^3.3.6 || ^4.0",
-        "symfony/phpunit-bridge": "^3.3.6 || ^4.0",
+        "symfony/config": "^3.4.22 || ^4.0",
+        "symfony/console": "^3.4.22 || ^4.0",
+        "symfony/phpunit-bridge": "^3.4.22 || ^4.0",
         "php-http/httplug": "^1.1",
         "guzzlehttp/psr7": "^1.4"
     },