(PHP 5 >= 5.4.0)
streamWrapper::stream_metadata — Change stream options
$path
   , int $option
   , int $var
   )This method is called to set metadata on the stream. It is called when one of the following functions is called on a stream URL:
Please note that some of these operations may not be available on your system.Note: The function is available since PHP 5.4.0.
pathThe file path or URL to set metadata. Note that in the case of a URL, it must be a :// delimited URL. Other URL forms are not supported.
optionOne of:
PHP_STREAM_META_TOUCH (The method was called in response to touch())PHP_STREAM_META_OWNER_NAME (The method was called in response to chown() with string parameter)PHP_STREAM_META_OWNER (The method was called in response to  chown())PHP_STREAM_META_GROUP_NAME (The method was called in response to chgrp())PHP_STREAM_META_GROUP (The method was called in response to chgrp())PHP_STREAM_META_ACCESS (The method was called in response to  chmod())arg1
       If option is
       
PHP_STREAM_META_TOUCH: Array consisting of two arguments of the touch()
        function.PHP_STREAM_META_OWNER_NAME or PHP_STREAM_META_GROUP_NAME:
        The name of the owner user/group as string.PHP_STREAM_META_OWNER or PHP_STREAM_META_GROUP:
        The value owner user/group argument as integer.PHP_STREAM_META_ACCESS: The argument of the chmod() as integer.
   Returns TRUE on success or FALSE on failure.
   If option is not implemented, FALSE should be
   returned.