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eio_write

(PECL eio >= 0.0.1dev)

eio_writeWrite to file

Descrizione

resource eio_write ( mixed $fd , string $str [, int $length = 0 [, int $offset = 0 [, int $pri = EIO_PRI_DEFAULT [, callable $callback = NULL [, mixed $data = NULL ]]]]] )

eio_write() writes up to length bytes from str at offset offset from the beginning of the file.

Elenco dei parametri

fd

Stream, Socket resource, or numeric file descriptor, e.g. returned by eio_open()

str

Source string

length

Maximum number of bytes to write.

offset

Offset from the beginning of 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(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.

Valori restituiti

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

Vedere anche:

  • eio_open
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