fix phpstan

.travis.yml

@@ -13,14 +13,13 @@ addons:
 
 cache:
     directories:
-        - vendor
         - $HOME/.composer/cache
 
 php:
     - 7.1
 
 install:
-    - composer install --no-interaction --prefer-source
+    - composer install --no-interaction --prefer-dist
 
 before_script:
     # Init Postgre database
@@ -33,7 +32,7 @@ before_script:
     - mysql -e 'SET PASSWORD FOR "root"@"localhost" = PASSWORD("");'
 
 script:
-    - php vendor/bin/phpstan analyse ./src ./tests --level 7
+    - php vendor/bin/phpstan analyse ./src ./tests --level 7 -c phpstan.neon
     - php vendor/bin/phpcs --standard=PSR2 ./src ./tests
     - php vendor/bin/tester tests -p phpdbg --coverage ./coverage.xml --coverage-src ./src
 

phpstan.neon

@@ -0,0 +1,4 @@
+parameters:
+    ignoreErrors:
+        - '#Cannot call method fetchPairs\(\) on Dibi\\Result|int#'
+        - '#Access to an undefined property Psr\\Cache\\CacheItemInterface::\$isHit#'

tests/Mock/Cache.php

@@ -12,7 +12,7 @@
 class Cache implements CacheItemPoolInterface
 {
     /**
-     * @var CacheItemInterface[]|Cache[]
+     * @var CacheItemInterface[]|CacheItem[]
      */
     public $data = [];