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dio_close

(PHP 4 >= 4.2.0, PHP 5 < 5.1.0)

dio_close — 通过 fd 关闭文件描述符

说明

dio_close(resource $fd): void

dio_close() 函数关闭 fd 文件描述符。

参数

fd

dio_open() 返回的文件描述符。

返回值

没有返回值。

示例

示例 #1 关闭文件描述符

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

dio_close($fd);
?>

参见