Fix condition

Author: BanzaiMan

.travis.yml

@@ -26,7 +26,7 @@ jobs:
               eval "$(phpenv init -)"
             fi
           fi
-      if: !(env(VERSION) =~ /^7\.[23]/)
+      if: env(VERSION) !~ /^7\.[23]/
     - dist: bionic
       language: minimal
       group: dev