文字
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.