CODE EXAMPLE FOR PHP

laravel request integer

$init_page = Input::get('initial_page');

$rules = [
    'initial_page' => 'required_with:end_page|integer|min:1|digits_between: 1,5',
    'end_page' => 'required_with:initial_page|integer|min:'. ($init_page+1) .'|digits_between:1,5'
];