How can I get client's IP address?

Question

I am writing a web application with PHP and Javascript that uses Ratchet WebSockets for communication data between server and clients, but I need to get client's IP address.

In Ratchet WebSockets have a function "onOpen" that it give an object of "ConnectionInterface":

public function onOpen(ConnectionInterface $conn){
    $this->clients->attach($conn);
    echo "new Connection is connected...({$conn->resourceId})\n";
}

It only has a resource id. How can I get the IP address of this connection?

Answer 1

$conn->remoteAddress

Try this.

Answer 2

$conn variable contains following two fields: $conn->resourceId and $conn->remoteAddress

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