Lock down faulty phpstan

Author: dereuromark

.travis.yml

@@ -47,7 +47,7 @@ before_script:
 script:
   - if [[ $DEFAULT == 1 ]]; then vendor/bin/phpunit; fi
   - if [[ $PHPCS == 1 ]]; then vendor/bin/phpcs -p --extensions=php --standard=vendor/fig-r/psr2r-sniffer/PSR2R/ruleset.xml --ignore=/vendor/,/tmp/,/logs/ --extensions=php . ; fi
-  - if [[ $PHPSTAN == 1 ]]; then composer require --dev phpstan/phpstan && vendor/bin/phpstan analyse -c tests/phpstan.neon -l 3 src; fi
+  - if [[ $PHPSTAN == 1 ]]; then composer require --dev phpstan/phpstan:"^0.8" && vendor/bin/phpstan analyse -c tests/phpstan.neon -l 3 src; fi
 
   - if [[ $CODECOVERAGE == 1 ]]; then vendor/bin/phpunit --coverage-clover=clover.xml || true; fi
   - if [[ $CODECOVERAGE == 1 ]]; then wget -O codecov.sh https://codecov.io/bash; fi