php-coding/7.work1.php

<?php
$arr1 = array(1,2,3);
foreach ($arr1 as $item){
    echo $item.'<br>';
}
echo '##########<br>';
$arr2 = array(
    array(1,2,3),
    array(4,5,6),
    array(7,8,9)
);
foreach ($arr2 as $items){
    foreach ($items as $item){
        echo $item.' ';
    }
    echo '<br>';
}