Connecting Serial Port Using Php

Question

Guys,

for the below code, I am getting an error which says "Function Not Defined". I am unable to get what should I include to make it run. help will be really helpful.

<?php
$fd = dio_open('/dev/ttyS0', O_RDWR | O_NOCTTY | O_NONBLOCK);
dio_close($fd);
?>

score 1 · Answer 1 · answered Jun 24 '16 at 09:16

1

Check your php version with phpinfo(), dio_open is only available for

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

as said in the documentation

if your version doesn't support it, you should update your PHP installation

answered Jun 24 '16 at 09:16

logut

23
6

PHP Version is 5.5. Any solution for that? – Amlan Jun 24 '16 at 09:43
if PHP version is 5.5 you have to downgrade to PHP <= 5.0.5 or preferably upgrade to PHP 7 If you have root acces on the server just install php7 using your package manager else you have to ask your hosting provider to update – logut Jun 24 '16 at 10:29

score 0 · Answer 2 · edited May 23 '17 at 12:22

0

As you are using *nix (I guess :) ), you could use the fopen command as stated in this answer: https://stackoverflow.com/a/14540953/1898458 (you will need to set up the port though)

edited May 23 '17 at 12:22

Community

1
1

answered Jun 24 '16 at 09:25

Flo

26
5

Connecting Serial Port Using Php

2 Answers2