dio_close

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

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

没有返回值。

范例

Example #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.

User Contributed Notes

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