(PHP 4 >= 4.3.2, PHP 5, PHP 7)
streamWrapper::stream_write — Write to stream
$data) : int
This method is called in response to fwrite().
Remember to update the current position of the stream by number of bytes that were successfully written.
Should be stored into the underlying stream.
If there is not enough room in the underlying stream, store as much as possible.
Should return the number of bytes that were successfully stored, or 0 if none could be stored.
E_WARNING, wenn der Aufruf dieser Methode
fehlschlug (z.B. weil sie nicht implementiert ist).
If the return value is greater the length of
E_WARNINGwill be emitted and the return value will truncated to its length.