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dio_close

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

dio_close — Closes the file descriptor given by fd

說(shuō)明

dio_close(resource $fd): void

The function dio_close() closes the file descriptor fd.

參數

fd

The file descriptor returned by dio_open().

返回值

沒(méi)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);
?>

參見(jiàn)

  • 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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