dio_read
(PHP 4 >= 4.2.0)
dio_read -- Reads n bytes from fd and returns them, if
n is not specified, reads 1k block
Description
string dio_read ( resource fd [, int n])
The function dio_read() reads and returns n bytes from file
with descriptor fd. If n is not specified, dio_read() reads
1K sized block and returns them.
See also: dio_write().
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