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PHP - Manual: dio_close

2024-04-30

dio_close

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

dio_closeCloses the file descriptor given by fd

说明

dio_close(resource $fd): void

The function dio_close() closes the file descriptor fd.

参数

fd

The file descriptor returned by dio_open().

返回值

没有返回值。

范例

示例 #1 Closing an open file descriptor

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

dio_close($fd);
?>

参见

  • dio_open() - Opens a file (creating it if necessary) at a lower level than the C library input/ouput stream functions allow
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官方地址:https://www.php.net/manual/en/function.dio-close.php

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