streamWrapper::stream_write

(PHP 4 >= 4.3.2, PHP 5, PHP 7, PHP 8)

streamWrapper::stream_write — Write to stream

public streamWrapper::stream_write(string $data): int

This method is called in response to fwrite().

注意:
Remember to update the current position of the stream by number of bytes that were successfully written.

data: Should be stored into the underlying stream.

注意:
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.

调用此方法失败将给出 E_WARNING（未实现）。

注意:
If the return value is greater the length of data, E_WARNING will be emitted and the return value will truncated to its length.

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