dio_close

(PHP 4 >= 4.2.0, PHP 5 <= 5.0.5)

dio_close — Closes the file descriptor given by fd

void dio_close ( resource $fd )

The function dio_close() closes the file descriptor fd .

无返回值。

Example#1 Closing an open file descriptor


<?php
$fd = dio_open('/dev/ttyS0', O_RDWR);

dio_close($fd);
?>