Merge pull request #22 from Hi-Folks/feat/docblock-savetojson

Update ExportableBlock.php

src/Traits/ExportableBlock.php

@@ -56,17 +56,18 @@ public function toYaml(): string
 
     /**
      * Saves the JSON String to a file
-     * @param string $filename
-     * @param bool $overwrite
-     * @return bool
+     * @param string $filename file name for example "./file.json"
+     * @param bool $overwrite if the file already exists you can force overwriting
+     * @return bool true if the file is saved, if already exists and you don't want to
+     * force overwiting the file it returns false
      */
     public function saveToJson(string $filename, bool $overwrite = false): bool
     {
         if (file_exists($filename) && !$overwrite) {
             return false;
         }
 
-        $result = file_put_contents($filename, $this->toJson());
+        file_put_contents($filename, $this->toJson());
         return true;
     }
 }