Eio İşlevleri
PHP Manual

eio_seek

(PECL eio >= 0.5.0b)

eio_seekRepositions the offset of the open file associated with the fd argument to the argument offset according to the directive whence

Açıklama

resource eio_seek ( mixed $fd , int $offset , int $whence [, int $pri = EIO_PRI_DEFAULT [, callable $callback = NULL [, mixed $data = NULL ]]] )

eio_seek() repositions the offset of the open file associated with stream, Socket resource, or file descriptor specified by fd to the argument offset according to the directive whence as follows:

Değiştirgeler

fd

Stream, Socket resource, or numeric file descriptor

offset

Starting point from which data is to be read.

length

Number of bytes to be read.

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.

Dönen Değerler

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


Eio İşlevleri
PHP Manual