eio_seek

Elenco dei parametri

fd

Stream, Socket instance, or numeric file descriptor.

offset

Starting point from which data is to be read.

whence

whence values are:

• EIO_SEEK_SET - Set position equal to offset bytes.
• EIO_SEEK_CUR - Set position to current location plus offset.
• EIO_SEEK_END - Set position to end-of-file plus offset.

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

is custom data passed to the request.

result

request-specific result value; basically, the value returned by corresponding system call.

req

is optional request resource which can be used with functions like eio_get_last_error().

data

Arbitrary variable passed to callback.