数组遍历代码

代码

···

    foreach($arr as $key => $value){
        echo '<div class="province">';   
        echo '<h2>'.$value['area_name'].'</h2>'; 
            foreach($value['son'] as $key_two => $value_two){
                echo '<h3>'.$value_two['area_name'].'</h3>';
                echo '<div class="city"><ul>'; 
                foreach($value_two['son'] as $key_three => $value_three){
                    echo '<li>'.$value_three['area_name'].'</li>';
                }
                echo '</ul></div>';
                echo '<hr>';
            }
            echo '</div>';
        }
?>

效果图