streamWrapper::stream_write

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

streamWrapper::stream_writeWrite to stream

說明

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.

參數(shù)

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.

返回值

Should return the number of bytes that were successfully stored, or 0 if none could be stored.

錯誤/異常

調(diào)用此方法失敗將給出 E_WARNING(未實(shí)現(xiàn))。

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.

參見

  • fwrite() - 寫入文件(可安全用于二進(jìn)制文件)