IHF: PHP requirements increased.

Author: dmitry-ivanov

README.md

@@ -7,7 +7,7 @@
 Provides Laravel-specific and pure PHP helper functions.
 
 ## Requirements
-- `PHP >=5.5.9`
+- `PHP >=5.6.4`
 - `Laravel >=5.2`
 
 ## Usage

composer.json

@@ -10,7 +10,7 @@
         }
     ],
     "require": {
-        "php": ">=5.5.9",
+        "php": ">=5.6.4",
         "illuminate/support": "^5.2",
         "symfony/finder": "^3.0",
         "symfony/process": "^3.0",