public static function removeFromUrlQueryString($refine, $_key)
{
$url = '';
foreach ($refine as $key => $value) {
if ($key != $_key && trim($value) != '' && $key != 'category_name') {
$value = $key == 'category' ? $value . '|' . $refine['category_name'] : $value;
$url .= $key . '=' . urlencode($value) . '&';
}
}
return rtrim($url, '&');
}