tool::init PHP Method

    function init($argc, $argv)
    {
        $this->argc = $argc;
        $this->argv = $argv;
        for ($i = 0; $i < $this->argc; $i++) {
            switch ($this->argv[$i]) {
                case '-s':
                    $this->sort = $this->argv[$i + 1];
                    echo "sort order from: " . $this->sort . "\n";
                    break;
                case '-i':
                    $this->in = $this->argv[$i + 1];
                    break;
                case '-o':
                    $this->out = $this->argv[$i + 1];
                    break;
            }
        }
    }