original_string: protected static function createGcsFilename($bucket, $object = null) {
      if (!isset($object)) {
        $object = "";
      }
  
      // Strip leading "/" for $object.
      if (StringUtil::startsWith($object, "/")) {
        $object = substr($object, 1);
      }
  
      return CloudStorageTools::getFilename($bucket, $object);
    }
code: protected static function createGcsFilename($bucket, $object = null) {
      if (!isset($object)) {
        $object = "";
      }
  
      // Strip leading "/" for $object.
      if (StringUtil::startsWith($object, "/")) {
        $object = substr($object, 1);
      }
  
      return CloudStorageTools::getFilename($bucket, $object);
    }
code_tokens: protected static function createGcsFilename ( $ bucket , $ object = null ) { if ( ! isset ( $ object ) ) { $ object = "" ; } // Strip leading "/" for $object. if ( StringUtil :: startsWith ( $ object , "/" ) ) { $ object = substr ( $ object , 1 ) ; } return CloudStorageTools :: getFilename ( $ bucket , $ object ) ; }
docstring: Create a GCS filename for a target bucket and optional object.
  
  @param string $bucket The bucket name.
  @param string $object Optional object name.
  
  @returns string The GCS filename for the bucket and object names.
docstring_tokens: Create a GCS filename for a target bucket and optional object .