public static function get_params($i = false)
{
$args = explode('/', trim(strtolower($_SERVER['REQUEST_URI'])));
$newargs = array();
foreach ($args as $arg) {
if (strlen($arg)) {
$newargs[] = $arg;
}
}
if ($i === false) {
return $newargs;
}
if ($i < 0) {
//count from end
$i = count($newargs) + $i;
}
if (isset($newargs[$i])) {
return $newargs[$i];
}
}