Drop support for PHP <5.6

.travis.yml

@@ -5,8 +5,6 @@ language:
   php
 
 php:
-  - 5.4
-  - 5.5
   - 5.6
   - 7
   - hhvm

README.md

@@ -13,7 +13,7 @@
 - [Granularity control](docs/README.md#validation-methods) for advanced reporting.
 - More than 100 (fully tested) validators.
 - [A concrete API](docs/CONCRETE_API.md) for non fluent usage.
-- Works on PHP 5.4+ or HHVM 3.3+
+- Works on PHP 5.6+ or HHVM 3.6+
 
 ## Table of contents
 

composer.json

@@ -12,7 +12,7 @@
         }
     ],
     "require": {
-        "php": ">=5.4"
+        "php": ">=5.6"
     },
     "require-dev": {
         "egulias/email-validator": "~1.2",