dio_close

(PHP 4 >= 4.2.0, PHP 5 <= 5.0.5, PHP 7)

dio_close — Closes the file descriptor given by fd

void dio_close ( resource $fd )

The function dio_close() closes the file descriptor fd.

没有返回值。

Example #1 Closing an open file descriptor


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

dio_close($fd);
?>

dio_open() - Opens a file (creating it if necessary) at a lower level than the C library input/ouput stream functions allow.