(PHP 4 >= 4.2.0, PHP 5 <= 5.0.4)
The function dio_close() closes the file descriptor fd.
fd
The file descriptor returned by dio_open().
Nevracà se žádná hodnota.
PÅ™Ãklad 1. Closing an open file descriptor
<?php$fd = dio_open('/dev/ttyS0', O_RDWR);dio_close($fd);?>