Merge pull request #10 from sirbrillig/update/circleci-image-70

Update CircleCi config to use valid php7 image

Author: sirbrillig

.circleci/config.yml

@@ -2,7 +2,7 @@ version: 2
 jobs:
   build:
     docker:
-      - image: circleci/php:7.1.19-fpm-node-browsers
+      - image: circleci/php:7.0-apache-stretch-browsers
     steps:
       - checkout
       - run: composer install

composer.json

@@ -19,7 +19,9 @@
     "scripts": {
         "test": "./vendor/bin/phpunit"
     },
-    "require": {},
+    "require" : {
+        "php" : "^7.0"
+    },
     "require-dev": {
         "sirbrillig/phpcs-variable-analysis": "^2.0.1",
         "dealerdirect/phpcodesniffer-composer-installer": "^0.4.4",