PHP Manual
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dio_close

(PHP 4 >= 4.2.0, PECL)

dio_close -- Closes the file descriptor given by fd

说明

void dio_close ( resource fd )

The function dio_close() closes the file descriptor fd.

参数

fd

The file descriptor returned by dio_open().

返回值

无返回值。

例

例子 1. Closing an open file descriptor

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

dio_close($fd);
?>

参见

dio_open()

后退起点前进
Direct IO Functions上一级dio_fcntl