eio_sendfile

(PECL eio >= 0.0.1dev)

eio_sendfileTransfer data between file descriptors

说锟斤拷

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

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

锟斤拷锟斤拷

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

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callback

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

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result

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req

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data

Arbitrary variable passed to callback.

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