Add PHP 8.1-8.4

diff --git a/.travis.yml b/.travis.yml
index 937ea7c7569a0caa76a1facf51696762c5e52f4e..85a897513a864677d8224f10a8b2b6e601c2b62a 100644 (file)
--- a/.travis.yml
+++ b/.travis.yml
@@ -6,4 +6,8 @@ php:
   - 7.3
   - 7.4
   - 8.0
+  - 8.1
+  - 8.2
+  - 8.3
+  - 8.4
 script: git diff --name-only $TRAVIS_COMMIT_RANGE | grep '\.php$' | xargs -n1 -P8 php -l | grep -v 'No syntax errors'; test $? -eq 1