Online PHP editor | output for oFFaE

<?php $values = [ 'ip' => '127.0.0.1', 'hostname' => 'localhost', 'ipport' => '127.0.0.1:3307', 'hostname' => 'localhost:3308', 'ipv6' => '[2001:0DB8::1234]', 'ipv6port' => '[2001:0DB8::1234]:3309', ]; foreach($values as $k=>$hostport) { $host = 'not found'; $port = 'not found'; // has port or ipv6 if (strpos($hostport, ':')) { // ipv6 if (str_starts_with($hostport, '[')) { $portposition = strpos($hostport,']:'); if ($portposition) { $port = substr($hostport, $portposition+2); $host = substr($hostport, 0, $portposition+1); } else { $host = $hostport; } } else { [$host, $port] = explode(':', $hostport); } } else { $host = $hostport; // ipv4/domainname without port } echo $k .': Hostname: ' . $host . ' Port: ' . $port ."\n"; }