<?php
$numbers = array(
array(10, 20, 30, 40, 50),
array(15, 30, 45, 60, 75),
array(20, 40, 60, 80, 100),
array(25, 50, 75, 100, 125),
array(30, 60, 90, 120, 150)
);
foreach ($numbers as $number) {
foreach ($number as $num) {
echo "$num, ";
}
echo "\n";
}
?>