If you are wondering how to control the Arduino serial port via PHP, here is the solution. The arduino:// wrapper is a easy and straightforward way to write and read data from Arduino.
to write date on Arduino serial just use the regular I/O functions in PHP such as fwrite or file_put_contents
\Arduino\Wrapper::register(); //reads data from Arduino $resource = fopen('arduino://ttyUSB0', 'r+'); print fread($resource, 1024);Or if you prefer, you can use file_get_contents and get the same result
print file_get_contents('arduino://ttyUSB0');To write data in the Arduino serial is as easy as it could be
\Arduino\Wrapper::register(); //writes data to Arduino $resource = fopen('arduino://ttyUSB0', 'r+'); print fwrite('hello Arduino');\Arduino\Wrapper::register(); print file_put_contents('arduino://hello Arduino');You can use in your project in a OOP style
$writer = new Arduino\Writer(new Arduino\Wrapper()); $bytes = $writer->out('ttyUSB0', 'from oop');$arduino = new \Arduino\Wrapper(); $writer = new \Arduino\Reader($arduino); while (true) { print $writer->from('/dev/cu.usbmodem1411'); }As you can see is really simple and we can improve it much more as the sensors are identified