Merge pull request #8855 from sminnee/ss3-php74

NEW: Add PHP 7.4’s daily snapshot to the travis suite (SS 3.7)

.travis.yml

@@ -28,14 +28,11 @@ matrix:
       services:
        - mysql
 
-    - php: 7.3.0RC1
+    - php: 7.3
+      env: DB=SQLITE
+
+    - php: 7.4snapshot
       env: DB=SQLITE
-      sudo: required
-      dist: xenial
-      addons:
-        apt:
-          packages:
-            - libzip4
 
     # CMS test
     - php: 5.5