Use a more strict PHP requirement (symfony-cmf/symfony-cmf#224)

wouterj · wouterj · commit 3e605363b961 · 2015-12-09T16:30:55.000+01:00
diff --git a/composer.json b/composer.json
@@ -13,7 +13,7 @@
     ],
     "minimum-stability": "dev",
     "require": {
-        "php": ">=5.3.9",
+        "php": "^5.3.9|^7.0",
         "symfony/framework-bundle": "~2.3"
     },
     "require-dev": {
