dio_read
(PHP 4 >= 4.2.0, PHP 5 < 5.1.0)
dio_read — Reads bytes from a file descriptor
说明
dio_read (
resource
$fd
[,
int $len
= 1024 ] ) :
string
The function dio_read() reads and returns len
bytes from file with descriptor fd
.
参数
-
fd
-
The file descriptor returned by dio_open().
-
len
-
The number of bytes to read. If not specified, dio_read() reads 1K sized block.
返回值
The bytes read from fd
.