Testing type hints

typehinted.php

<?php
class AMQPReader{

    public function read_table() {
        echo "do something";
    }
}

class BaseProtocol
{
    public static function connectionStartOk(AMQPReader $reader)
    {
        $reader->read_table();
    }
}

class myProtocol extends BaseProtocol {

    public static function connectionStartOk($reader)
    {
        parent::connectionStartOk($reader);
    }
}

$reader = new AMQPReader();
myProtocol::connectionStartOk($reader);