stream_set_read_buffer
(PHP 5 >= 5.3.3, PHP 7, PHP 8)
stream_set_read_buffer — Set read file buffering on the given stream
说明
Sets the read buffer. It's the equivalent of stream_set_write_buffer(), but for read operations.
参数
-
stream -
The file pointer.
-
size -
The number of bytes to buffer. If
sizeis 0 then read operations are unbuffered. This ensures that all reads with fread() 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
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