eio_sendfile

(PECL eio >= 0.0.1dev)

Transfer data between file descriptors

resource eio_sendfile ( mixed $out_fd, mixed $in_fd, int $offset, int $length [, int $pri [, callable $callback [, string $data ]]] )

eio_sendfile() copies data between one file descriptor and another. See SENDFILE(2) man page for details.

Parameters:

out_fd

Output stream, Socket resource, or file descriptor. Should be opened for writing.

in_fd

Input stream, Socket resource, or file descriptor. Should be opened for reading.

offset

Offset within the source file.

length

Number of bytes to copy.

pri

The request priority: EIO_PRI_DEFAULT, EIO_PRI_MIN, EIO_PRI_MAX, or NULL. If NULL passed, pri internally is set to EIO_PRI_DEFAULT.

callback

callback function is called when the request is done. It should match the following prototype:

void callback(mixed $data, int $result[, resource $req]);

data

Arbitrary variable passed to callback.

Returns:

eio_sendfile() returns request resource on success or FALSE on error.

Links:

http://php.net/manual/en/function.eio-sendfile.php

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2016-02-24 16:04:44

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