Merge remote-tracking branch 'origin/master'

Author: rez1dent3

.travis.yml

@@ -3,6 +3,13 @@ php:
 - '7.1'
 - '7.2'
 - '7.3'
+- '7.4snapshot'
+- 'nightly'
+
+matrix:
+  allow_failures:
+    - php: '7.4snapshot'
+    - php: 'nightly'
 
 before_script:
 - "composer install"

docker-compose.yml

@@ -0,0 +1,6 @@
+version: '3'
+services:
+  php74:
+    image: php:7.4-rc
+    volumes:
+      - ./:/app