control a LW-12 w-lan Led Module with php

LW12.php

<?php
/**
 * Created by PhpStorm.
 * User: marko.luft
 * Date: 09.02.15
 * Time: 10:28
 */
class LW12 {
	public $fadeSteps = 10;
	public $debug = false;
	private $filename = "status.txt";
	public $currentR = 0;
	public $currentG = 0;
	public $currentB = 0;
	private $ip;
	function __construct($ip) {
		$this->ip = $ip;
		$this->restore();
	}
	private function  Min0max100($color) {
		return Max(0, Min($color, 100));
	}
	/**
	 * save current color to hard drive
	 */
	private function store() {
		$s = $this->currentR . "," . $this->currentG . "," . $this->currentB;
		$myfile = fopen($this->filename, "w") or die("Unable to open file maybe the file " . $this->filename . " is not present or no premission!");
		fwrite($myfile, $s);
		fclose($myfile);
	}
	/**
	 * load the current colors from hard drive txt file
	 */
	private function restore() {
		$myfile = fopen($this->filename, "r") or die("Unable to open file maybe the file " . $this->filename . " is not present or no premission!");
		$x = fread($myfile, 30);
		var_dump($x);
		fclose($myfile);
		$x = explode(",", $x);
		@$this->currentR = $x[0];
		@$this->currentG = $x[1];
		@$this->currentB = $x[2];
	}
	/**
	 * $r - red
	 * $g - green
	 * $b - blue
	 * @return hex string inclunding # sign
	 */
	private function rgbtohex($r, $g, $b) {
		$hex = "#";
		$hex .= str_pad(dechex($r), 2, "0", STR_PAD_LEFT);
		$hex .= str_pad(dechex($g), 2, "0", STR_PAD_LEFT);
		$hex .= str_pad(dechex($b), 2, "0", STR_PAD_LEFT);
		return $hex;
	}
	/**
	 * only if debug is true
	 * uses current colors and draws ah html debug output
	 */
	private function debugRect() {
		if (!$this->debug) return;
		$r = $this->currentR * 2.55;
		$g = $this->currentG * 2.55;
		$b = $this->currentB * 2.55;
		$hex = $this->rgbtohex($r, $g, $b);
		echo "<div style=\"background-color:" . $hex . ";border:0px solid #000\">&nbsp;</div>";
	}
	/**
	 * $r - red 0-100
	 * $g - green 0-100
	 * $b - blue 0-100
	 *
	 */
	public function setColor($r, $g, $b) {
		$this->currentR = round($this->Min0max100($r));
		$this->currentG = round($this->Min0max100($g));
		$this->currentB = round($this->Min0max100($b));
		$sendR = round($this->currentR * 2.55);
		$sendG = round($this->currentG * 2.55);
		$sendB = round($this->currentB * 2.55);
		fwrite(fsockopen("tcp://" . $this->ip . "", 5577), "\x56" . chr($sendR) . chr($sendG) . chr($sendB) . "\xaa");
		$this->debugRect($sendR, $sendG, $sendB);
		$this->store();
	}
	/**
	 * fades every color to 0
	 */
	public function off() {
		$this->fadeTo(0, 0, 0);
	}
	/**
	 * $r - red 0-100
	 * $g - green 0-100
	 * $b - blue 0-100*
	 * fades to given color
	 */
	public function fadeTo($r, $g, $b) {
		$stepsR = ($this->currentR - $r) / $this->fadeSteps;
		$stepsG = ($this->currentG - $g) / $this->fadeSteps;
		$stepsB = ($this->currentB - $b) / $this->fadeSteps;
		//$this->setColor($r,$g,$b);
		for ($i = 0; $i < $this->fadeSteps; $i++) {
			$this->setColor($this->currentR - $stepsR, $this->currentG - $stepsG, $this->currentB - $stepsB);
		}
	}
}

LW12Controll.php

<?php
include("LW12.php");
@$ip = $_GET["ip"];
@$r = $_GET["r"];
@$g = $_GET["g"];
@$b = $_GET["b"];
if (isset($_SERVER["argv"][1])) {
	$ip = $_SERVER["argv"][1];
	$r = $_SERVER["argv"][2];
	$g = $_SERVER["argv"][3];
	$b = $_SERVER["argv"][4];
	$pretag = "";
}
$x = new LW12($ip);
$x->fadeTo($r, $g, $b);
?>