<?foreach ($restaurant_get_all->restaurants as $key) {?>
    /// 
    <?foreach ($region_get_all->regions as $key2) {?>
        <option value="<?=@$key2->{"region-name"};?>"><?=@$key2->{"region-name"};?></option> 
    <?}?>
    
<?}?>

how can such a busy foreach improve maximum efficiency?
these are the standing figures ~