test with php 7.4

Author: dbu

.travis.yml

@@ -16,25 +16,28 @@ matrix:
       # Minimum supported versions
     - php: 5.6
       env: VARNISH_VERSION=3.0 COMPOSER_FLAGS="--prefer-lowest" DEPENDENCIES=""
+    - php: 7.0
+      env: VARNISH_VERSION=3.0 COMPOSER_FLAGS="--prefer-lowest" DEPENDENCIES=""
 
     - php: 5.6
     - php: 7.1
     - php: 7.2
     - php: 7.3
+    - php: 7.4
       env: DOCCHECK=true COVERAGE=true PHPUNIT_FLAGS="-v --coverage-text" VARNISH_MODULES_VERSION=0.12.1
 
       # Test with Varnish 4
-    - php: 7.3
+    - php: 7.4
       env: VARNISH_VERSION=4.1 VARNISH_MODULES_VERSION=0.9.1
 
     # Test Symfony LTS versions
-    - php: 7.3
+    - php: 7.4
       env: DEPENDENCIES="symfony/lts:^3 toflar/psr6-symfony-http-cache-store:^2.2.0"
-    - php: 7.3
+    - php: 7.4
       env: DEPENDENCIES="symfony/flex" SYMFONY_VERSION="^4"
 
       # Latest commit to master
-    - php: 7.3
+    - php: 7.4
       env: STABILITY="dev"
 
   allow_failures: