Preventive hotfix for #614

Author: Geolim4

lib/Phpfastcache/Core/Pool/IO/IOHelperTrait.php

@@ -163,7 +163,7 @@ protected function getFilePath($keyword, $skip = false): string
          * Skip Create Sub Folders;
          */
         if (!$skip && !\is_dir($path) && @!\mkdir($path, $this->getDefaultChmod(), true) && !\is_dir($path)) {
-            throw new PhpfastcacheIOException('PLEASE CHMOD ' . $path . ' - ' . $this->getDefaultChmod() . ' OR ANY WRITABLE PERMISSION!');
+            throw new PhpfastcacheIOException('Path "' . $path . '" is not writable, please set a chmod 0777 or any writable permission and make sure to make use of an absolute path !');
         }
 
         return $path . '/' . $filename . '.' . $this->getConfig()->getCacheFileExtension();

lib/Phpfastcache/Drivers/Files/Driver.php

@@ -127,6 +127,7 @@ protected function driverDelete(CacheItemInterface $item): bool
         if ($item instanceof Item) {
             $file_path = $this->getFilePath($item->getKey(), true);
             if (\file_exists($file_path) && @\unlink($file_path)) {
+                \clearstatcache(true, $file_path);
                 $dir = \dirname($file_path);
                 if (!(new \FilesystemIterator($dir))->valid()) {
                     \rmdir($dir);