PHP sniffing com port?

Question

PHP

php_serial.class.php, how to simply output the data that came to the com port?

Answer 1

No idea where you dug up some php_serial.class.php from ( From here? ),
but for puff there is this php.net/manual/ru/book.dio.php
Take a look at this answer
stackoverflow.com/a/11680528
Read from com port for sure as well as from a file or stream.

Answer 2

In my opinion you apply not that language to your task.