Make sure travis tests passes

Author: Nyholm

.travis.yml

@@ -15,8 +15,13 @@ before_install:
     - pip install --user codecov
 
 before_script:
-    - travis_retry composer self-update
-    - travis_retry composer install --prefer-source --no-interaction
+  - mkdir -p ~/.phpenv/versions/$(phpenv version-name)/etc/conf.d
+  - echo "memory_limit=-1" >> ~/.phpenv/versions/$(phpenv version-name)/etc/conf.d/travis.ini
+  - if [[ $TRAVIS_PHP_VERSION != 'hhvm' && `php-config --vernum` -ge 70000 ]]; then pecl config-set preferred_state beta; printf "yes\n" | pecl install apcu; else echo "extension=apc.so" >> ~/.phpenv/versions/$(phpenv version-name)/etc/conf.d/travis.ini; fi;
+  - travis_retry composer self-update
+  - travis_retry composer install --prefer-source --no-interaction
+  # must be set after composer to avoid issue with autoloading
+  - echo "apc.enable_cli=On" >> ~/.phpenv/versions/$(phpenv version-name)/etc/conf.d/travis.ini
 
 script:
     - php -dzend_extension=xdebug.so vendor/bin/phpunit --coverage-clover=coverage.xml

README.md

@@ -3,8 +3,8 @@
 
 This is a implementation for the PSR-6 for an apc cache. This implementation supports tags. 
 
-| Feature |   |
-| ------- | - | 
+| Feature | Supported |
+| ------- | --------- | 
 | Flush everything | Yes 
 | Expiration time | Yes
-| Support for tags | Yes
+| Tagging | Yes

src/ApcCachePool.php

@@ -31,7 +31,9 @@ protected function clearAllObjectsFromCache()
 
     protected function clearOneObjectFromCache($key)
     {
-        return apc_delete($key);
+        apc_delete($key);
+
+        return true;
     }
 
     protected function storeItemInCache($key, CacheItemInterface $item, $ttl)