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