eio_ftruncate

(PECL eio >= 0.0.1dev)

eio_ftruncate — Truncate a file

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eio_ftruncate ( mixed $fd [, int $offset = 0 [, int $pri = EIO_PRI_DEFAULT [, callable $callback = NULL [, mixed $data = NULL ]]]] ) : resource

eio_ftruncate() causes a regular file referenced by fd file descriptor to be truncated to precisely length bytes.

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fd

Stream, Socket resource, or numeric file descriptor.

offset

Offset from beginning of the file

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

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  • eio_truncate