Update supported PHP versions

Author: alcaeus

.travis.yml

@@ -1,14 +1,17 @@
 language: php
 
 php:
-  - 5.6
-  - 7.0
-  - hhvm
+  - 7.1
+  - 7.2
+  - nightly
 
 install:
   - composer self-update
   - composer install --dev --no-interaction
 
+allowed_failures:
+  - nightly
+
 script:
   - vendor/bin/phpunit
 

composer.json

@@ -18,13 +18,13 @@
         }
     ],
     "require": {
-        "php": "^5.6 || ^7.0",
-        "paquettg/string-encode": "~0.1.0"
+        "php": "^7.1",
+        "paquettg/string-encode": "^0.1.1"
     },
     "require-dev": {
-        "phpunit/phpunit": "~5.3.0",
-        "satooshi/php-coveralls": "~1.0.0",
-        "mockery/mockery": "~0.9.0"
+        "phpunit/phpunit": "^6.5",
+        "php-coveralls/php-coveralls": "^2.0",
+        "mockery/mockery": "^1.0"
     },
     "replace": {
         "paquettg/php-html-parser": "self.version"
@@ -33,6 +33,5 @@
         "psr-0": {
             "PHPHtmlParser": "src/"
         }
-    },
-    "prefer-stable": true
+    }
 }