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