Global Debug Function

function debug($msg, $exit = true)
{
    if ($_SERVER['REMOTE_ADDR'] == '127.0.0.1') { // Only from my IP
        echo "<pre>";
        print_r($msg);
        echo "</pre>";
        $calledFrom = reset(debug_backtrace());
        echo "<br>Called from " . $calledFrom['file'] . ' | line ' . $calledFrom['line'] . "<br>";
        echo "<hr>";

        if ($exit) {
            exit;
        }
    }
}