$data = "";

<?	
function verarbeiten(){
	GLOBAL $data;
	GLOBAL $buf;
	GLOBAL $def;
	$data = "";
	$readEndCharacter =	"\x03";
	$data .= $buf;
	$endString = substr( $buf, - strlen($readEndCharacter));
	if($endString == $readEndCharacter)
	$newstring = substr($data, 1, -1);
	$def = substr($newstring, 0, 2);
	$finalstring = substr($newstring, 2);
	echo $finalstring;
	$arr = array();
	$arr = split("[|]", $finalstring);
	foreach ($arr as $one) {
		brk($one);
		}
}
function brk($finalstring)
{
	$var = substr($finalstring, 0, 2);
    GLOBAL $ARR_FIELD;
    $ARR_FIELD[$var] = substr($finalstring, 2);
}
function send_ls(){
	$date = date("ymd");
	$timestamp = time();
	$time = date("His",$timestamp);
	GLOBAL $msg;
	$msg = chr(02) . "LS|DA$date|TI$time|" . chr(03);
}
function send_ld(){
	$date = date("ymd");
	$timestamp = time();
	$time = date("His",$timestamp);
	GLOBAL $msg1;
	GLOBAL $msg2;
	GLOBAL $msg3;
	GLOBAL $msg4;
	GLOBAL $msg5;
	$msg1 = chr(02) . "LD|DA$date|TI$time|" . chr(03);
	$msg2 = chr(02) . "LR|cool|andererstring|" . chr(03);
	$msg3 = chr(02) . "LR|caal|ganzandererstring|" . chr(03);
	$msg4 = chr(02) . "LR|cool|undsoweiter|" . chr(03);
	$msg5 = chr(02) . "LA|DA$date|TI$time|" . chr(03);
}

while($socket = socket_create(AF_INET, SOCK_STREAM, 0)){
	error_reporting (E_ALL);
	set_time_limit(0);
	$port = 5001;
	$host = "ipadresse";
	do{
		if((@socket_connect($socket, $host, $port)) < 0){
		break;
		}
		do {
			if(false === ($buf = @socket_read($socket, 1024))){
			break 2;
			}
			if(!$buf = trim($buf)) {
			continue;
			}			
			verarbeiten();
			switch ($def) {
				case 'LS':
				send_ld();
				socket_write($socket, $msg1, strlen($msg1));
				socket_write($socket, $msg2, strlen($msg2));
				socket_write($socket, $msg3, strlen($msg3));
				socket_write($socket, $msg4, strlen($msg4));
				socket_write($socket, $msg5, strlen($msg5));
				break;
				case 'LA':
				break;
				case 'LE':
				break;
				case 'KR':
				save_key();
				break;
				case 'KD':
				del_key();
				break;
				case 'KA':
				send_ka();
				break;
			}	
		break;	
		}while(true);
		} while(true);
	socket_close($socket);
}
?>