dio_read
(PHP 4 >= 4.2.0, PHP 5 <= 5.0.5, PHP 7)
dio_read — Reads bytes from a file descriptor
Описание
string dio_read
( resource
$fd
[, int $len = 1024
] )
The function dio_read() reads and returns
len bytes from file with descriptor
fd.
Список параметров
-
fd -
The file descriptor returned by dio_open().
-
len -
The number of bytes to read. If not specified, dio_read() reads 1K sized block.
Возвращаемые значения
The bytes read from fd.
Коментарии
Note that dio_read on Windows (other platforms unknown) will not timeout if there is no data to read. There is no way to specify a timeout or do a non-blocking read on Windows.