Bumped PHP version to min. 7.0.0 (see 440ed74c)

README.md

@@ -8,7 +8,7 @@ Please visit https://engelsystem.de for a feature list.
 ## Installation
 
 ### Requirements:
- * PHP >= 5.6.4, PHP >= 7.0.0 recommended
+ * PHP >= 7.0.0
  * MySQL-Server >= 5.5.x
  * Webserver, i.e. lighttpd, nginx, or Apache
 

composer.json

@@ -14,7 +14,7 @@
         }
     ],
     "require": {
-        "php": ">=5.6.4",
+        "php": ">=7.0.0",
         "erusev/parsedown": "1.6.*",
         "twbs/bootstrap": "^3.3",
         "symfony/http-foundation": "^3.3"