Example

$socket = new Net_Socket() ;

// open connection
$socket->connect("http://www.example.com", 80, true, 30);

// Send data including linebreak
$socket->writeLine("String with data");

// receive data until linebreak
$result = $socket->readLine();

// receive a number of data
$result = $socket->read(512);

// close connection
$socket->disconnect();