CascadiaPHP 2024


(PHP 5 >= 5.3.3, PHP 7, PHP 8)

stream_set_read_bufferSet read file buffering on the given stream


stream_set_read_buffer(resource $stream, int $size): int

Sets the read buffer. It's the equivalent of stream_set_write_buffer(), but for read operations.



The file pointer.


The number of bytes to buffer. If size is 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.

Return Values

Returns 0 on success, or another value if the request cannot be honored.

See Also

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