streamWrapper::stream_write
(PHP 4 >= 4.3.2, PHP 5, PHP 7)
streamWrapper::stream_write — Write to stream
说明
public
streamWrapper::stream_write (
string
$data
) :
int
This method is called in response to fwrite().
Note:
Remember to update the current position of the stream by number of bytes that were successfully written.
参数
-
data
-
Should be stored into the underlying stream.
Note:
If there is not enough room in the underlying stream, store as much as possible.
返回值
Should return the number of bytes that were successfully stored, or 0 if none could be stored.
错误/异常
调用此方法失败将给出 E_WARNING
(未实现)。
Note:
If the return value is greater the length of
data
,E_WARNING
will be emitted and the return value will truncated to its length.