(PHP 4 >= 4.2.0)

dio_read --  Reads n bytes from fd and returns them, if n is not specified, reads 1k block


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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