[edit] Last updated: Fri, 17 May 2013

eio_truncate

(PECL eio >= 0.0.1dev)

eio_truncate — Truncate a file

Beschreibung

resource eio_truncate ( string $path [, int $offset = 0 [, int $pri = EIO_PRI_DEFAULT [, callable $callback = NULL [, mixed $data = NULL ]]]] )

eio_truncate() causes the regular file named by path to be truncated to a size of precisely length bytes

Parameter-Liste

path

File path

offset

Offset from beginning of the file.

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($data, $result);

$data is custom data passed to the request. $result contains request-specific result value; basically, the value returned by corresponding system call.

data

Arbitrary variable passed to callback.

Rückgabewerte

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

Siehe auch

eio_ftruncate

add a note User Contributed Notes eio_truncate - [0 notes]

There are no user contributed notes for this page.