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.