dio_read
(PHP 4 >= 4.2.0, PHP 5 <= 5.0.5)
dio_read — Reads bytes from a file descriptor
说明
string dio_read
( resource $fd
[, int $len
] )
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 .
CDN