stream_set_read_buffer()
(PHP 5 >= 5.3.3, PHP 7)
Set read file buffering on the given stream
说明
stream_set_read_buffer(resource $stream,int $buffer): int
Sets the read buffer. It's the equivalent ofstream_set_write_buffer(), but for read operations.
参数
- $stream
The file pointer.
- $buffer
The number of bytes to buffer.If$bufferis 0 then read operations are unbuffered. This ensures that all reads withfread()are completed before other processes are allowed to read from that input stream.
返回值
Returns 0 on success, or another value if the request cannot be honored.
参见
stream_set_write_buffer()
Sets write file buffering on the given stream