upgrade

vendor/szymach/c-pchart/.travis.yml

@@ -0,0 +1,33 @@
+language: php
+
+cache:
+  directories:
+    - vendor
+
+matrix:
+    include:
+        - php: 5.6
+          env:
+            - COMPOSER_FLAGS='--prefer-lowest'
+        - php: 7.0
+        - php: 7.1
+        - php: 7.2
+        - php: 7.3
+        - php: 7.4
+        - php: 8.0
+        - php: 8.1
+          env:
+            - COVERAGE='--coverage --coverage-xml'
+              XDEBUG_MODE=coverage
+
+before_install:
+    - if [[ ! $COVERAGE ]]; then phpenv config-rm xdebug.ini; fi;
+
+before_script: composer update -n $COMPOSER_FLAGS
+
+script:
+    - vendor/bin/phpcs
+    - vendor/bin/codecept run unit $COVERAGE
+
+after_script:
+    - if [[ $COVERAGE ]]; then ./coverage.sh; fi;