$currentURL = URL::current(); PHP.
$url = URL::to("/"); or use $url = url('/'); PHP.
$route = Route::current()->getName(); PHP.
$prefix = Request::route()->getPrefix(); PHP.
Route::current()
############### OR ####################
$request->getRequestUri()
@if(Request::url() === 'your url here')
// code
@endif
Route::getFacadeRoot()->current()->uri();
if (Request::is('admin/*'))
{
// code
}