Change php value with variable in url?

Question

I have the following code:

$ip = 'stream.radioturn.com.br';
$port   = '8000';

I would like to change the same values with a variable in the url, for example:

app.php?ip=ipqualquer.com.br&port=2531

And so it would display the same code but with the values of the new url

how can I do this?

Answer 1

You can use the GET method :

$ip=$_GET['ip'];
$port=$_GET['port'];

If you do it this way, and don’t pass the variables, you probably have an error displayed. So do it this way:

//verificando a existencia
if(isset($_GET['ip']) && isset($_GET['port'])){
// se existir
$ip=$_GET['ip'];
$port=$_GET['port'];
} else{
// aqui não existe, ai voce pode passar outros valores
$ip='ip padrao';
$port='porta padrao';

}

Or with the simplified if and Else that has the same effect:

$ip=isset($_GET['ip'])?$_GET['ip']:'ip padrao';
$port=isset($_GET['port'])?$_GET['port']:'Porta padrao';