Fixed issue in #782 (@javagotchi)

Author: Geolim4

lib/Phpfastcache/Util/Directory.php

@@ -101,15 +101,19 @@ public static function rrmdir(string $source, bool $removeOnlyChildren = false):
             /**
              * @var SplFileInfo $fileinfo
              */
-            if ($fileinfo->isDir()) {
-                if (self::rrmdir($fileinfo->getRealPath()) === false) {
-                    return false;
-                }
-            } else {
-                if (unlink($fileinfo->getRealPath()) === false) {
+            $realpath = $fileinfo->getRealPath();
+            if($realpath){
+                if ($fileinfo->isDir()) {
+                    if (self::rrmdir($fileinfo->getRealPath()) === false) {
+                        return false;
+                    }
+                } elseif (unlink($realpath) === false) {
                     return false;
                 }
             }
+            else{
+                return false;
+            }
         }
 
         if ($removeOnlyChildren === false) {
@@ -148,4 +152,4 @@ public static function getAbsolutePath(string $path): string
         $prefix = $__FILE__[0] === DIRECTORY_SEPARATOR ? DIRECTORY_SEPARATOR : '';
         return $prefix . implode(DIRECTORY_SEPARATOR, $absolutes);
     }
-}
+}