Merge pull request #20 from tomtomau/supported-php-version

chore(php): update to supported versions

.travis.yml

@@ -2,19 +2,16 @@ language: php
 sudo: false
 
 php:
-  - 5.4
-  - 5.5
-  - 5.6
-  - 7.0
-  - hhvm
+  - 7.2
+  - 7.3
 
 before_script:
-  - if [ $TRAVIS_PHP_VERSION = '7.0' ]; then composer require satooshi/php-coveralls; fi
+  - composer require satooshi/php-coveralls
   - composer install --dev
 
 script:
-  - if [ $TRAVIS_PHP_VERSION = '7.0' ]; then vendor/bin/phpunit --coverage-clover build/logs/clover.xml; else vendor/bin/phpunit; fi
-  - if [ $TRAVIS_PHP_VERSION = '7.0' ]; then ./vendor/bin/phpcs --standard=psr2 src test; fi
+  - vendor/bin/phpunit --coverage-clover build/logs/clover.xml
+  - ./vendor/bin/phpcs --standard=psr2 src test
 
 after_success:
-  - if [ $TRAVIS_PHP_VERSION = '7.0' ]; then php vendor/bin/coveralls; fi
+  - php vendor/bin/coveralls

composer.json

@@ -16,7 +16,7 @@
         }
     ],
     "require": {
-        "php": ">=5.4",
+        "php": ">=7.2",
         "psr/log": "^1.0"
     },
     "require-dev": {