Upgrade PHP version requirement (#27)

Resolves #25. Collection usage of PHP's `array_filter` uses the optional `flag` parameter, which was added in PHP 5.6.
tighten · Nov 18, 2016 · bd8b80d · bd8b80d
1 parent 0258c13
commit bd8b80d
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/composer.json b/composer.json
@@ -10,7 +10,7 @@
         }
     ],
     "require": {
-        "php": ">=5.5.9"
+        "php": ">=5.6.4"
     },
     "require-dev": {
         "mockery/mockery": "~0.9.4",