update php versio deps

inhere · inhere · commit 4208121f02d7 · 2019-01-05T00:05:35.000+08:00
diff --git a/composer.json b/composer.json
@@ -17,7 +17,7 @@
     }
   ],
   "require": {
-    "php": ">=7.0.0",
+    "php": ">7.1.0",
     "toolkit/str-utils": "~1.0"
   },
   "autoload": {
