interfacing php with serial port on linux

[raza]

i have to access the serial port for controlling hardware, i have found the php_ser.dll for serial communication. but this dll is for windows only. i need to do the same job on linux plateform.i need the dll for linux that can receive or transmit data on serial port .so help me

[Banfa]

I have a feeling that on Linux there is no real destinction between files and com ports they are both just devices and can be opened with fopen (or possibly dio_open).

For instance /dev/ttyS0 is COM1 can can be used in dio_open.