(PHP 4 >= 4.2.0, PHP 5 <= 5.0.5, PHP 7)
dio_read — Reads bytes from a file descriptor
$fd
[, int $len = 1024
] )
The function dio_read() reads and returns
len bytes from file with descriptor
fd.
fdThe file descriptor returned by dio_open().
lenThe number of bytes to read. If not specified, dio_read() reads 1K sized block.
The bytes read from fd.