Try to update version detection

Author: arokettu

.travis.yml

@@ -8,7 +8,6 @@ php:
 env:
   global:
     - GIT_COMMITTED_AT=$(if [ "$TRAVIS_PULL_REQUEST" == "false" ]; then git log -1 --pretty=format:%ct; else git log -1 --skip 1 --pretty=format:%ct; fi)
-    - PHP_MAJOR_VERSION=$(php -r 'echo PHP_MAJOR_VERSION;')
 allow_failures:
   php: nightly
 cache:
@@ -19,8 +18,7 @@ before_script:
   - chmod +x ./cc-test-reporter
   - ./cc-test-reporter before-build
 install:
-  - echo $PHP_MAJOR_VERSION
-  - if [ "$PHP_MAJOR_VERSION" == "8" ]; then composer install --ignore-platform-reqs; else composer install; fi
+  - if [ $(php -r 'echo PHP_MAJOR_VERSION;') == "8" ]; then composer install --ignore-platform-reqs; else composer install; fi
 script:
   - vendor/bin/phpunit tests --coverage-clover clover.xml --whitelist src
 after_script: