(PHP 4 >= 4.2.0, PHP 5 < 5.1.0)
dio_close — Closes the file descriptor given by fd
$fd
The function dio_close() closes the file descriptor fd.
fd
The file descriptor returned by dio_open().
No value is returned.
Example #1 Closing an open file descriptor
<?php$fd = dio_open('/dev/ttyS0', O_RDWR);dio_close($fd);?>
